Kyushu University Academic Staff Educational and Research Activities Database
List of Presentations
Masanobu Kubota Last modified date:2017.05.15

Professor / Hydrogen Materials Compatibilty and Fracture (April 2014 - Current), Air Liquide Industrial Chair on Hydrogen Structural Materials and Fracture (Oct. 2010 - March 2014) / Hydrogen Materials Compatibility Division / International Institute for Carbon-Neutral Energy Research


Presentations
1. 久保田 祐信, MACADRE ARNAUD PAUL ALAIN, Hydrogen Compatibility of Ultra-Fine Grain Austenitic Stainless Steel, International Colloquium on Environmentally Preferred Advanced Generation Grid evolution global summit "HYDROGEN" (ICEPAG2017), 2017.03.29.
2. Short crack growth behavior of oil well pipe material.
3. 森 諒, 久保田 祐信, MACADRE ARNAUD PAUL ALAIN, The effect of machined layer on fatigue strength of ultra-fine grain austenitic stainless steel and the microstructure change due to machining, 2017 I2CNER ANNUAL SYMPOSIUM: APPLIED MATH CHALLENGES IN ENERGY & THE NEXT‐GENERATION, 2017.02.01.
4. 久保田 祐信, 薦田 亮介, Structural Materials used in Hydrogen at Elevated Temperature, 2017 I2CNER ANNUAL SYMPOSIUM: APPLIED MATH CHALLENGES IN ENERGY & THE NEXT‐GENERATION, 2017.02.01.
5. 薦田 亮介, 久保田 祐信, Jader Furtado, Fretting Fatigue in Hydrogen Containing ppm-levels of Oxygen
, 2017 I2CNER ANNUAL SYMPOSIUM: APPLIED MATH CHALLENGES IN ENERGY & THE NEXT‐GENERATION, 2017.02.01.
6. Fatigue Limit of SCM435 and XM-19 in High Pressure Hydrogen.
7. Characterization of Hydrogen Embrittlement of High-Nitrogen Stainless Steel Pipe for High-Pressure Gaseous Hydrogen
.
8. Effect of flatness of the contacting surfaces on fretting fatigue properties.
9. The effect of machining on the fatigue properties of ultra-fine grain austenitic stainless steel.
10. Effect of Injection Molding Conditions on Strength Properties of Short Carbon Fiber.
11. 久保田 祐信, 薦田 亮介, Jader Furtado, Fretting fatigue in hydrogen and the effect of oxygen impurity, The 15th Asian Coference on Experimental Mechanics (ACEM2016), 2016.11.15.
12. 髙﨑 大裕, 久保田 祐信, 薦田 亮介, 吉田 修一, 奥 洋介, 牧野 泰三, 杉野 正明, Effect of Contact Pressure on Fretting Fatigue Failure of Oil-Well Pipe Material
, The 15th Asian Coference on Experimental Mechanics (ACEM2016), 2016.11.15.
13. 加藤 孝憲, 牧野 泰三, 久保田 祐信, 堀川 晋之介, Effect of Small Defects on Fatigue Strength of Railway Wheel Steels, 18th International Wheelset Congress (18th IWC), 2016.11.08.
14. 薦田 亮介, Nobutomo Morita, Fumiya Nakashima, 久保田 祐信, 澤田 廉士, Development of new measurement method applying MEMS technology for relative slip range during fretting fatigue test in hydrogen , 2016 International Hydrogen Conference, 2016.09.14.
15. 久保田 祐信, Akihide Nagao, University of Illinois at Urbana Champaign, Harvard University, University of Illinois at Urbana Champaign, University of Thessaly, Sandia National Laboratories, Livermore, SOFRONIS PETROS, Constitutive equations of hydrogen-enhanced plasticity for quantitative understanding of the mechanisms of hydrogen-assisted fracture, 2016 International Hydrogen Conference, 2016.09.14.
16. Fatigue Strength Evaluation of High-Nitrogen Stainless Steel Welds for High-Pressure Hydrogen Piping
.
17. Mechanism of reduction in fretting fatigue strength in hydrogen by addition of ppm-level oxygen.
18. 久保田 祐信, 薦田 亮介, Jader Furtado, The effect of oxygen impurities on fretting fatigue of austenitic stainless steel in hydrogen gas, 2016 International Hydrogen Conference, 2016.09.12.
19. Mechanism of fretting fatigue of thread joint for oil well pipes.
20. The effect of machining on the fatigue properties of ultra-fine grain austenitic stainless steel.
21. Fatigue strength and fatigue life essentially involve scatter. This lecture introduced how to deal with that scatter by citing standards and past studies..
22. Nobutomo Morita, 薦田 亮介, Fumiya Nakashima, 久保田 祐信, Eiji Higurashi, Renshi Sawada, Evaluation of Local Relative Slip in a narrow space in Hydrogen Gas Using MEMS Optical Encoder, 2016 International Conference on Optical MEMS and Nanophotonics (IEEE OMN2016), 2016.08.02.
23. 奥 洋介, 杉野 正明, 牧野 泰三, 久保田 祐信, 髙﨑 大裕, Fatigue evaluation on premium threaded connections for OCTG, 8th International Symposium on Fretting Fatigue (ISFF8), 2016.04.19.
24. 薦田 亮介, 久保田 祐信, Characterization of the effect of hydrogen on the microstructure change at the adhered spot during fretting fatigue, 8th International Symposium on Fretting Fatigue (ISFF8), 2016.04.19.
25. 久保田 祐信, 片岡 俊介, 近藤 良之, A quantitative approach to evaluate fretting fatigue limit using a pre-cracked specimen, 8th International Symposium on Fretting Fatigue (ISFF8), 2016.04.18.
26. Fatigue Crack Growth Behavior of Ultra-Fine Grain Austenitic Stainless Steel.
27. Fatigue Limit of SCM435 Low-Alloy Steel in 115 MPa Hydrogen Gas.
28. 久保田 祐信, Matsuoka Saburo, 薦田 亮介, Fatigue Limit in High-Pressure Hydrogen Gas, Joint HYDROGENIUS and I2CNER International Wprkshop on Hydrogen -Materials Interactions 2016, 2016.02.04.
29. 薦田 亮介, Jader Furtado, 久保田 祐信, Fretting Fatigue in Hydrogen Gas and the Effect of Impurities, I2CNER Annual Symposium 2016 Computational Solutions to Fundamental Problems in Carbon-Neutral Energy Research, 2016.02.01.
30. 森 功一, 久保田 祐信, MACADRE ARNAUD PAUL ALAIN, Fatigue Properties of Ultra-Fine Grain Austenitic Stainless Steel and the Effect of Hydrogen
, I2CNER Annual Symposium 2016 Computational Solutions to Fundamental Problems in Carbon-Neutral Energy Research, 2016.02.01.
31. 久保田 祐信, 薦田 亮介, Matsuoka Saburo, High-Cycle Fatigue Properties in High-Pressure Hydrogen Gas
, I2CNER Annual Symposium 2016 Computational Solutions to Fundamental Problems in Carbon-Neutral Energy Research, 2016.02.01.
32. 久保田 祐信, 長尾 彰英, May L Martin, N Vasios, Mohsen Dadfarnia, Nilolaos Aravas, SOFRONIS PETROS, Brian Somerday, Single Crystal Project, I2CNER Annual Symposium 2016 Computational Solutions to Fundamental Problems in Carbon-Neutral Energy Research, 2016.02.01.
33. 山本 侑生, 松本 拓哉, Toshihiro Tsuchiyama, 久保田 祐信, Development of weld joint for XM-19 high-pressure hydrogen tubing
, I2CNER Annual Symposium 2016 Computational Solutions to Fundamental Problems in Carbon-Neutral Energy Research, 2016.02.01.
34. Fatigue Strength Evaluation of High-Nitrogen Stainless Steel Pipe Welds.
35. Application of MEMS Technology to Measurement of Relative Slip during Fretting Fatigue Test in Hydrogen.
36. Fatigue crack initiation behavior of ultra-fine grain austenitic stainless steel.
37. Effect of contact pressure on fretting fatigue failure modes of oil-well pipe materials.
38. 薦田 亮介, 久保田 祐信, Fretting fatigue properties in hydrogen contacting ppm-levels of oxygen, I2CNER Institute Interest Seminar, 2015.11.05.
39. 松本 拓哉, 久保田 祐信, 松岡 三郎, Patrick Ginet, Jader Furtado, Francois Barbier, THRESHOLD STRESS INTENSITY FACTOR FOR HYDROGEN-ASSISTED CRACKING OF CR-MO STEEL USED AS STATIONARY STORAGE BUFFER OF A HYDROGEN REFUELING STATION, International Conference on Hydrogen Safety (ICHS2015), 2015.10.21.
40. 久保田 祐信, 森 功一, MACADRE ARNAUD PAUL ALAIN, Study on Hydrogen Compatibility in Fatigue of Ultra-Fine Grain Austenitic Stainless Steel, European Congress and Exhibition on Advanced Mterials and Processes 20415 (EUROMAT 2015), 2015.09.23.
41. 久保田 祐信, 薦田 亮介, Jader Furtado, Fretting Fatigue Properties in Hydrogen Containing Impurities, European Congress and Exhibition on Advanced Mterials and Processes 20415 (EUROMAT 2015), 2015.09.23.
42. Effect of Molding Conditions on Strength Properties of Short Carbon Fiber Reinforced PPS Plastic.
43. Mechanisms that reduce fretting fatigue strength in hydrogen.
44. Effect of hydroen on microstructure change of the material at adhesion between contacting surfaces during fretting fatigue in hydrogen.
45. Effects of Annealing and Injection Molding Conditions on Tensile Properties of Short Carbon Fiber Reinforced PPS Plastic
.
46. Effects of Annealing and Injection Molding Conditions on Tensile Properties of Short Carbon Fiber Reinforced PPS Plastic.
47. 久保田 祐信, MACADRE ARNAUD PAUL ALAIN, 森 功一, Fatigue Properties of Ultra-Fine Grain Austenitic Stainless Steel and the Effect of Hydrogen
, Joint HYDROGENIUS and I2CNER International Wprkshop on Hydrogen -Materials Interactions 2015, 2015.02.04.
48. High-cycle fatigue properties of work-hardened oxygen-free cupper in high-pressure hydrogen.
49. Consideration of Effects of Minute Amounts of Oxygen and Water Vapor on Oxide Removal and Production Behavior at Fretted Surface of SUS304 in Hydrogen and Relation of Fretting Fatigue Strength.
50. Effect of annealing on tensile properties of short carbon fiber reinforced PPS.
51. Consideration of fatigue mechanism in ultra-fine grain austenitic steel having a 1μm grain size
.
52. Fracture toughness of hydrogen charged low alloy steels.
53. 森 功一, 久保田 祐信, MACADRE ARNAUD PAUL ALAIN, Fatigue properties of ultra-fine grain austenitic stainless steel and effect of hydrogen, Third Japan - China joint symposium on fatigue, 2014.11.07.
54. 松本 拓哉, Patrick Ginet, 久保田 祐信, Matsuoka Saburo, Jader Furtado, Francois Barbier, Use of Back Face Strain Gage Technique to Obtain Crack Arrest Threshold Stress Intensity Factor of Cr-Mo Steel used as Stationary Storage Buffer of a H2 Refueling Station, International Conference on Hydrogen Storage, Embrittlement and Applications (HySEA2014), 2014.10.30.
55. 久保田 祐信, Jader Furtado, 薦田 亮介, Effect of Addition of Oxygen and Water Vapor on Fretting Fatigue Properties in Hydrogen
, International Conference on Hydrogen Storage, Embrittlement and Applications (HySEA2014), 2014.10.28.
56. 久保田 祐信, 森 功一, MACADRE ARNAUD PAUL ALAIN, Fatigue Properties of Ultra-Fine Grain Austenitic Steel and Evaluation of the Effect of Hydrogen, International Conference on Hydrogen Storage, Embrittlement and Applications (HySEA2014), 2014.10.27.
57. 森 功一, 久保田 祐信, MACADRE ARNAUD PAUL ALAIN, Fatigue properties of ultra-fine grain austenitic stainless steel and the effect of hydrogen, The seventh Kyushu University - KAIST joint workshop on frontier in mechnics engineering, 2014.09.26.
58. 薦田 亮介, 吉開 巨都, 久保田 祐信, Jader Furtado, Effect of internal hydrogen on fretting fatigue strength of austenitic stainless steels and consideration on interaction of internal and environmental hydrogen , The seventh Kyushu University - KAIST joint workshop on frontier in mechnics engineering, 2014.09.26.
59. 久保田 祐信, 堀川 晋之介, 加藤 孝憲, 牧野 泰三, Small crack propagation properties of three railroad wheel materials, The seventh Kyushu University - KAIST joint workshop on frontier in mechnics engineering, 2014.09.26.
60. Effects of hardness and loading rate on fracture toughness of low alloy steels under continuous hydrogen charging
.
61. Effects of hardness and loading rate on fracture toughness of low alloy steels under continuous hydrogen charging.
62. 久保田 祐信, 薦田 亮介, Jader Furtado, Basic Study on The Effect of Hydrogen on Fretting Fatigue, Society of Tribologists and Lubrication Engineers (STLE), 2014 Annual Meeting at Disney Contemporary Resort, 2014.05.20.
63. Fretting fatigue property in hydrogen including oxygen or water vapor.
64. Fatigue properties of ultra-fine grain austenitic stailness steel and the effect of hydrogen.
65. Factors affect fretting fatigue propertoes in hydrogn.
66. Effects of Ni Content and Hardness on the Fracture Toughness of Low Alloy Steels in the Presence of Hydrogen.
67. Fatigue properties of ultra fine grain austenitic stainless steel and effect of hydrogen.
68. Short crack growth behavior of railway wheel and axle materials.
69. The effect of impurities contained in hydrogen gas on fretting fatigue properties.
70. Discussion on contribution of adhesion to the reduction in fretting fatigue strength.
71. 久保田 祐信, 河上 紘大, High-cycle fatigue properties of carbon steel and work-hardened oxygen free copper in high pressure hydrogen, 11th International Fatigue Congress (Fatigue 2014), 2014.03.06.
72. 薦田 亮介, 久保田 祐信, Jader Furtado, Reduction in fretting fatigue strength of austenitic stainless steels due to internal hydrogen , 11th International Fatigue Congress (Fatigue 2014) , 2014.03.03.
73. 久保田 祐信, Jader Furtado, 薦田 亮介, 吉開 巨都, Fretting fatigue properties under the effect of hydrogen and the mechanisms that cause the reduction in fretting fatigue strength, Joint HYDROGENIUS & I²CNER International Workshop on Hydrogen-Materials Interactions, 2014.01.31.
74. 久保田 祐信, High-cycle fatigue properties of work-hardened copper in 10MPa hydrogen gas, Joint HYDROGENIUS & I²CNER International Workshop on Hydrogen-Materials Interactions, 2014.01.31.
75. Impact statement technique of the mean stress at the time of the fatigue strength design of the short fibers CFRP product.
76. Effect of internal hydrogen on fretting fatigue strength of austenitic stainless steels.
77. Fatigue properties of ultra-fine grain austenitic stainless steel and effect of hydrogen.
78. Short-crack growth behavior of railway wheel materials.
79. Effect of Displacement Velocity on Elastic Plastic Fracture Toughness of SM490B Carbon Steel Plate in 0.7 MPa Hydrogen Gas.
80. Crack Arrest Threshold Stress Intensity Factor of SCM435 Steel for a Storage Cylinder of a 35 MPa Hydrogen Refueling Station in High-Pressure Hydrogen Gas.
81. Fatigue properties of ultra-fine grain austenitic stainless steel and effect of hydrogen.
82. Concerning fretting fatigue, examples of failure accident, design method, counter measures, history, cutting-edge research and so on were introduced..
83. Study on rapid fracture of large hydrogen buffers for hydrogen stations by hydrogen embrittlement and its prevention.
84. Jader Furtado, 薦田亮介, 久保田 祐信, Fretting fatigue properties under the effect of hydrogen and the mechanisms that cause the reduction in fretting fatigue strength, 13th International Conference on Fracture (ICF-13), 2013.06.19.
85. Fundamental Mechanism Causing Reduction in Fretting Fatigue Strength of SUS304.
86. 宮澤金敬, 三輪昌人, 近藤 良之, 久保田 祐信, DEVELOPMENT OF THE HYBRID JOINT AND TORSIONAL FRETTING FATIGUE STRENGTH IMPROVEMENT IN THE POWER TRANSMISSION SHAFT, Seventh International Symposium on Fretting Fatigue, 2013.04.10.
87. 久保田 祐信, 薦田亮介, 足立裕太郎, 近藤 良之, Jader Furtado, EFFECT OF HYDROGEN AND IMPURITIES ON FRETTING FATIGUE PROPERTIES
, Seventh International Symposium on Fretting Fatigue, 2013.04.09.
88. 薦田亮介, 久保田 祐信, 近藤 良之, Jader Furtado, THE MECHANISM CAUSING REDUCTION IN FRETTING FATIGUE STRENGTH DUE TO HYDROGEN, Seventh International Symposium on Fretting Fatigue, 2013.04.09.
89. Effects of Notch Root Radius, Stress Ratio and Material Hardness on Fatigue Crack Growth Threshold for a Short Crack at Deep Notch Root
.
90. Effects of Notch Root Radius, Stress Ratio and Material Hardness on Fatigue Crack Growth Threshold for a Short Crack at Deep Notch Root
.
91. Short crack growth behavior of railway wheel materials.
92. Improvement of the Fretting Fatigue Strength of the Small Diameter Power-Transmitting Shaft by Hybrid Joint
.
93. Effect of hydrogen on fatigue and fretting fatigue of oxygen-free copper.
94. The Effect of Small Amount of Oxygen on Fretting Fatigue Strength of Austenitic Stainless Steel in Hydrogen Gas.
95. 足立裕太郎, 久保田 祐信, 近藤 良之, Jader Furtado, Effect of Hydrogen on Fatigue Strength of Mechanical Joint, Kyushu University-KAIST Joint Seminar 2010, 2012.09.14.
96. 青木達郎, 池宮秀也, 久保田 祐信, 近藤 良之, EFFECT OF HYDROGEN ON FRACTURE TOUGHNESS OF LOW ALLOY STEELS
, 2012 Hydrogen Conferencce, 2012.09.11.
97. 久保田 祐信, 足立裕太郎, 白石悠貴, 薦田亮介, Jader Furtado, 近藤 良之, EFFECT OF HYDROGEN AND ADDITION OF OXYGEN ON FRETTING FATIGUE PROPERTIES
, 2012 Hydrogen Conferencce, 2012.09.10.
98. Quantitative understanding on the effect of contact pad shape on fretting fatigue strength using pre-cracked specimen
.
99. 瀬尾明光, 久保田 祐信, 近藤 良之, Effects of Notch Root Radius and Stress Ratio on the Fatigue Crack Propagation Threshold for the Short Crack at the Notch Root
, 19th European Conference on Fracture (ECF-19), 2012.08.29.
100. 久保田 祐信, 白石悠貴, 薦田亮介, 近藤 良之, Considering the Mechanisms Causing Reduction of Fretting Fatigue Strength by Hydrogen
, 19th European Conference on Fracture (ECF-19), 2012.08.27.
101. Fatigue Crack Propagation Threshold for the Short Crack at Notch Root.
102. Effects of weld defect and hydrogen on high-cycle fatigue strength of rolled steels for welded structure SM400A welded
.
103. High-cycle fatigue properties of S35C carbon steel in 10 MPa hydrogen gas.
104. Study on the Mechanism Causing Redaction of Fretting Fatigue Strength due to Hydrogen Gas.
105. The Effect of Impurities Containing Hydrogen Gas on Fretting Fatigue Strength of Austenitic Stainless Steels
.
106. Role of adhesion to cause reduction of fretting fatigue strength in hydrogen gas.
107. Effect of contact pad shape on growth of short crack in fretting fatigue.
108. Development of high fatigue strength splined shaft for car air conditioning compressor
.
109. Report on progress of development of HYDROBLOCKER.
110. Damage characterization in high-pressure hydrogen valve.
111. 水素ガス中フレッティング疲労の疲労限度低下メカニズムにおける接触面間の凝着の寄与の解明
Elucidating the role of adhesion in the reduced fretting fatigue strength in hydrogen.
112. Effect of Hydrogen on Fretting Fatigue in SUS316 Austenitic Stainless Steel.
113. A study on the damage caused by repetitive open-close movement in a high-pressure hydrogen gas valve.
114. Effects of Multiple Overloads and Hydrogen on High-Cycle Fatigue Strength of Notched Specimen of Austenitic Stainless Steel and Prediction of Reduction of Fatigue Limit
.
115. Effects of Notch Root Radius and Stress Ratio on the Behavior of Short Crack at Notch Root.
116. Effect of 10MPa Hydrogen gas environment on high-cycle fatigue properties of carbon steels.
117. "Effect of contact pressure on growth of small crack under fretting fatigue conditions" presented at JSME Kyushu branch annual technical meeting 2011 took place in Ito campus, Kyushu University.
118. "High-cycle fatigue properties of carbon steels in 10 MPa hydrogen gas" presented at JSME Kyushu branch annual technical meeting 2011 took place in Ito campus, Kyushu University.
119. "Effect of Multiple Overloads and Hydrogen on High-Cycle Fatigue Strength of Notched Component of Low Alloy Steel" presented at JSME Kyushu branch annual technical meeting 2011 took place in Ito campus, Kyushu University.
120. "Effect of Hydrogen on Fretting Fatigue Strength of SUS316L Austenitic Stainless Steel" presented at JSME Kyushu branch annual technical meeting 2011 took place in Ito campus, Kyushu University.
121. "Role of adhesion to cause reduction of fretting fatigue strength in hydrogen gas" presented at JSME Kyushu branch annual technical meeting 2011 took place in Ito campus, Kyushu University.
122. "The Effect of Impurities Containing Hydrogen Gas on Fretting Fatigue Strength of Austenitic Stainless Steels" presented at JSME Kyushu branch annual technical meeting 2011 took place in Ito campus, Kyushu University.
123. "Study on the mechanism causing reduction of fretting fatigue strength due to hydrogen gas" presented at JSME Kyushu branch annual technical meeting 2011 took place in Ito campus, Kyushu University.
124. "High-cycle fatigue properties of S35C carbon steel in 10 MPa hydrogen gas" presented at JSME Kyushu branch annual technical meeting 2011 took place in Ito campus, Kyushu University.
125. "Effects of weld defect and hydrogen on high-cycle fatigue strength of rolled steels for welded structure SM400A welded" presented at JSME Kyushu branch annual technical meeting 2011 took place in Ito campus, Kyushu University.
126. "Development of high fatigue strength splined shaft forcar air conditioning compressor" presented at the 43th graduation study workshop organized by JSME Kyushu Student Council. .
127. "Effect of contact pad shape on growth of short crack in fretting fatigue" presented at the 43th graduation study workshop organized by JSME Kyushu Student Council. .
128. "Improvement of fatigue strength of splined shaft used for car air conditioning compressor" presented at the 42th graduation study workshop organized by JSME Kyushu Student Council. .
129. "Behavior of short crack at notch root" presented at the 42th graduation study workshop organized by JSME Kyushu Student Council. This presentation won a prize for good presentation..
130. "Behavior of hydrogen enhanced fatigue crack propagation under long-term varying stress" presented at the 42th graduation study workshop organized by JSME Kyushu Student Council.
131. "Effect of contact conditions on growth of small crack in fretting fatigue" presented at the 42th graduation study workshop organized by JSME Kyushu Student Council.
132. "Study on conditions causing leakage in valve for high-pressure hydrogen gas" presented at the 42th graduation study workshop organized by JSME Kyushu Student Council.
133. Development of novel metal sealing for ultra-high pressure hydrogen gas.
134. Report on "Reserch committee for construction of modeling, analyzing, evaluation CAE system on joint structures".
135. Effectiveness of combination of press-fit for improvement of fatigue strength of splined shaft.
136. Effects of small defect and hydrogen on fatigue strength of weld-jointed tube.
137. Effect of Hydrogen on Fretting Fatigue in Austenitic Stainless Steels.
138. Effect sof heat treatment on the hydrogen enhanced crack propagation of low carbon steel (S25C).
139. Effect of hydrogen on fatigue behavior of stainless steels under two-step multiple variable stresses.
140. Experiences of study on fretting fatigue and future plot .
141. Improvement of Fretting Fatigue Strength by Hybrid Joint.
142. Effect of loading rate and tempering temperature on fracture toughness of hydrogen charged low alloy steel.
143. Effect of pre-crack length and notch root radius on propagation of small crack existing notch root near thershold .
144. Effect of absorbed hydrogen on fretting fatigue strength.
145. Effect of Multiple Overloading and Hydrogen on Fatigue Strength of Notched Component.
146. Effect of Absorbed Hydrogen, Environment and Stress Ratio on Short Fatigue Crack Propagation
.
147. Influence of Hydrogen and Loading Rate on Fracture Toughness of Low Alloy Steel.
148. Effect of Hydrogen on Fatigue Behavior of Stainless Steels under Two-step Multiple Variable Stress .
149. Torsional fretting fatigue properties of splined shafts.
150. Fretting fatigue strength of SUS304 containing high concentration hydrogen in hydrogen gas.
151. Fatigue properties of weld joint for high pressure hydrogen gas tubing.
152. Behavior of short crack at notch root.
153. Mechanism of Reduction of Fretting Fatigue Limit in Hydrogen Gas in SUS304.
154. Mechanism of redution of fretting fatigue strengh by hydrogen gas and effect of hydrogen concentration.
155. Optimization of Shape of Stress-relief Groove for Improvement of Fretting Fatigue Strength.
156. Effect of Hydrogen on the Reduction of Fatigue Strength by Multiple Overloading.
157. Crack Propagation Behavior of SCM440H Low Alloy Steel Enhanced by Hydrogen under Long-term Varying Load and Static Load.
158. Effect of hydrogen and improvemnton of fatigue strength of work-hardened SUS316L.
159. Fretting fatigue strength of stainless steels containing high concentrations of hydrogen.
160. Study on Fatigue Design Criterion for the Components in Hydrogen Utilization Machines Considering the Multiple Overload Produced by Earthquakes
.
161. Mechanism for the reduction of fretting fatigue strength of stainless steel in hydrogen gas.
162. Effect of stress relief groove on fretting fatigue strength and index for the selection of optimal groove shape.
163. Contact mechanics and evaluation of fretting fatigue strength.
164. Investigation of critical crack size that causes retardation by single overload.
165. Effect of hydrogen on fretting fatigue strength.
166. Reduction of fatigue strength due to hydrogen and its improvement in work-hardened small diameter tube of SUS316L.
167. Effect of Hydrogen on High-Cycle Fatigue Strength after Multiple Overloads.
168. Mechanism of Reduction of Fretting Fatigue Limit in Hydrogen Gas Environmet.
169. Fretting fatigue strength of stainless steels with high hydrogen concentration.
170. Effect of Hydrogen on Propagation and Closure Behavior of Short Crack in Low Alloy Steel.
171. Effect of Notch Shape and Absorbed Hydrogen on the Fatigue Fracture below Fatigue Limit
.
172. Single Overload Effect in Short Crack.
173. Fatigue Strength Reduction of Notched Component in Hydrogen Gas after Multiple Overloading.
174. Fretting fatigue strength of stainless steels containing high concentration of hydrogen.
175. Single Overload Effect in Short Crack
.
176. Fatigue Strength of Notched Specimen in Hydrogen Gas after Overload.
177. An Approach to understand the Mechanism of Fatigue Strength Reduction caused by Absorbed Hydrogen
.
178. Fretting fatigue strength on high pressurized hydrogen gas exposed specimen.
179. Prevention of reduction of fretting fatigue strength in hydrogen gas environment by DLC coating and nitriding.
180. Effect of Hydrogen on the crack closurebehabior of Short Crack near Threshold Region.
181. Fretting Fatigue Failure in Localized Contact Condition.
182. Contact Mechanics and Evaluation of Fretting Fatigue Strength .
183. Observations of Initiation and Propagation of Crack and Wear under Fretting Condition in Hydrogen Gas Environment.
184. Effect of Hydrogen on Small Fatigue Crack Propagation Behavior near Threshold Region of A286 Alloy
.
185. The effect of hydrogen gas environment on fretting fatigue strength of materials used for hydrogen utilization machines
.
186. Fretting and Fatigue.
187. Effect of Hydrogen Gas Environment on Fretting Fatigue Strength in Long-Life Region.
188. Evaluation of Fretting Fatigue Strength and Fatigue Design Method.
189. Small-notched Fatigue Under Two Step Loading Below Fatigue Limit.
190. The effect of hydrogen gas environment on fretting fatigue strength of materials used for hydrogen utilization machines
.
191. Fretting and Fatigue
Masanobu Kubota.
192. Fretting fatigue and Design Method
Masanobu Kubota.
193. Effect of Hydrogen Gas Environment on Fretting Fatigue Strength in Long-Life Region
Kyohei KUWADA,Yasuhiro TANAKA, Masanobu KUBOTA, and Yoshiyuki KONDO
.
194. Small-notched Fatigue Under Two Step Loading Below Fatigue Limit
Hikaru EDA, Masanobu KUBOTA and Yoshiyuki KONDO.
195. An Approach to understand the Mechanism of Fatigue Strength Reduction caused by Absorbed Hydrogen
Tomoe Sudo, Kano Daichi, Masanobu Kubota, Yoshiyuki Kondo
.
196. Effect of hydrogen on crack propagation of small fatigue crack in A286 steel.
197. Evaluation of Fretting Fatigue Strength at Connect and Joint Parts of Machine Components in Hydrogen Gas Environment.
198. Effect and Elucidation of Mechanism of Hydrogen Gas Environment on Fretting Fatigue Strength of Hydrogen Utilization Machines’ materials.
199. Effect of Hydrogen on Fatigue Crack Propagation Rate and DKth of Austenitic Stainless Steel.
200. Effects of Hydrogen, Hardness and Microstructure on the DKth of Short Crack.
201. Effect of Hydrogen Charge on Fatigue Behavior of Pre-strained SUS316L with Small Defect.
202. Evaluation of the improvement of fretting fatigue strength by stress-relief groove.
203. Evaluation of Fatigue Strength of Fine Copper Wire for Electric Equipment
.
204. Investigations of the effect of stress relief groove on fretting fatigue strength and control parameters.
205. Effect of hydrogen gas environment on fretting fatigue strength of materials for machines and stractures.
206. Examinations of fatigue fracture surface analysis method for estimation of applied stress.
207. Effect of hydrogen charge on fatigue strength of small-cracked specimen of stainless steel.
208. Evaluation of applied stress in fatigue fracture surface analysis.
209. Effect of hydrogen and material hardness on propagation threshold of small crack in low alloy steel.
210. Effect of stress relief groove shape on fretting fatigue strength.
211. Continuous observation of crack by ultrasonic inspection in two cylinders rolling fatigue test.
212. Effect of hydrogen charge and material hardness on torsion fatigue of stinless steel.
213. Consideration about adequate autofrettage stress of aluminum gas cylinder liner focused on crack closure behavior.
214. Fretting wear and friction behavior in hydrogen gas envionment.
215. Fretting fatigue properties of stainless steel in hydrogen gas environment.
216. Effect of hydrogen gas on fretting fatigue strength of stainless steels.
217. Effect of hydrogen gas environment on fretting wear of stainless steels.
218. Effect of Shape of Fitted Part on Fatigue Strength of Railway Axle.
219. Small-notched Fatigue under Variable Amplitude Loading below Fatigue Limit Diagram.
220. Evaluation of effect of shape of fitted part on frettin gfatigue strength of railroad axles.
221. Effect of Stress Ratio and Hydrogen on the Fatigue Crack Propagation Behavior of High Strength Steel.
222. Effect of Hydrogen Environment on Fretting Fatigue
Prized.
223. Effects of Hydrogen and Stress Ratio on Fatigue Crack Growth of High Strength Steel.
224. Effect of hydrogen gas environment on fretting fatigue strength
Naoki NOYAMA, Masanobu KUBOTA,Munehiro FUETA, Chu SAKAE & Yoshiyuki KONDO
Materials and Processing Conference 2004
Kumamoto Univ, 2004.11.
225. On the mechanics of fretting fatigue and evaluation of its strength
Masanobu KUBOTA and Yoshiyuki KONDO
Work shop "W02 Processing and Reliability Evaluation of Fastening and Joint Part of Machines and Structures",
Mechanical Engineering Congress, 2004 Japan
Hokkaido University.
226. Effect of Continuous Hydrogen Charge Environment on Fatigue Fracture of High-Strength Steels
Satoshi OHYANAGI, Kazutomo YANAGIHARA, Masanobu KUBOTA, Chu SAKAE and Yoshiyuki KONDO
Mechanical Engineering Congress, 2004, Japan, JSME
Hokkaido University, 2004.
227. Evaluation of fatigue strength of fine cupper wire for electronic equipment
Masanobu KUBOTA, Hitoshi SATO, Chu SAKAE, Yoshiyuki KONDO
Mechanical Engineering Congress, 2004 Japan, JSME
Hokkaido University, 2004.
228. Fretting in hydrogen
Masanobu Kubota, Naoki Noyama, Chu Sakae, Yoshiyuki Kondo
4th International Symposium on Fretting Fatigue
Lyon, France 2004.5.
229. Fretting fatigue properties of SUS304 in hydrogen gas atmosphere
M Kubota, N Noyama, C Sakae, Y Kondo
53th Annual meeting, JSMS
Okayama University 2004.
230. Effect of hydrogen environment on fretting fatigue strength of SUS304
N Noyama, C Sakae, M. kubota, Y Kondo
57th Annual meeting, JSME Kyuhus branch
Saga University 2004.
231. Effect of chage of surface profile on fatigue strength evaluation of carburized gear material
M Iseki, T Yano, C Sakae, Morita, K Matsushita, M. kubota, Y Kondo
57th Annual meeting, JSME Kyuhus branch
Saga University 2004.
232. On the boundary between smooth and small defect
Kashiwagi, C Sakae, K Matsushita, M. kubota, Y Kondo
57th Annual meeting, JSME Kyuhus branch
Saga University 2004.
233. Fatigue under high-low mixed mode variable loading
H Kitahara, C Sakae, K Matsushita, M. kubota, Y Kondo
57th Annual meeting, JSME Kyuhus branch
Saga University 2004
Prized.
234. Effect of assemble method on the strength of dental inplant
Y Ikeda, C Sakae, K Matsushita, M. kubota, Y Kondo
57th Annual meeting, JSME Kyuhus branch
Saga University 2004
Prized.
235. Fretting Fatigue in Hydrogen Environment,
Masanobu Kubota, Naoki Noyama, Chu Sakae and Yoshiyuki Kondo,
The 5th International Symposium on Eco-Materials Processing & Design (ISEPD 2004),
Nagaoka, Jan. 2004
Prized: Young Researcher Award.
236. Estimation of applied stress of fatigue fracture surface using high-frequency current,
M. Kubota, Y. Kitahara, C. Sakae and Y. Kondo,
JSME M&M2003, Toyama Univ., Sep. 2003.
237. Effect of Relative Slip Amount on Initiation Site and Propagation Condition of Fretting Fatigue Crack,
S. Niho, M. Kubota, C. Sakae and Y. Kondo,
JSME Kyushu branch 56th Annual Meeting,
Kyushu Univ., March 2003.
238. Effect of Under Stress on Fretting Fatigue Crack Initiation of Press-Fitted Axle,
Masanobu Kubota, Sotaro Niho, Chu Sakae and yoshiyuki Kondo,
JSME/ASME International Conference on Material and Processing 2002,
Hawaii, Oct. 2002.
239. Study on Fretting Fatigue Crack Propagation Condition at Edge and Center of Contact Part,
S. Niho, M. Kubota, C. Sakae and Y. Kondo
JSME Mechanical Engineering Congress 2002, Tokyo Univ., Sep. 2002.
240. Fatigue Properties on Thin Cupper Wire for Electronic Equipment
M. Kubota, S. Matsuzawa, C. Sakae and Y. Kondo
JSMS 51th Annual Meeting, Kagawa, May 2002.
241. Effect of the understress on the initiation behavior of fretting fatigue cracks
M. Kubota, C. Sakae and Y. Kondo
The 9th Materials and Processing Conference (M&P2001), JSME
Ryukyu Univ., Nov. 2001
Prized: Excellent Presentation.
242. The Effect of Height of Bridge Pad Foot on Fretting Fatigue Strength
M. Kubota, K. Shiromaru, K. Maruyama, C. Sakae and Y. Kondo
JSME Annual meeting 2001, Fukui Univ., Aug. 2001.
243. Relationship between Forging Ratio and Fatigue Limit of High-Carbon Steel
M. Kubota, K. Yamamoto and C. Sakae
JSME Annual meeting 2001, Fukui Univ., Aug. 2001.
244. The analysis of fretting fatigue failure in buckup roll and its prevention
M Kubota, H. Odanaka, C. Sakae, Y. Ohkomori and Y. Kondo
Third International Symposium on Fretting Fatigue (Nagaoka, Japan) May , 2001.
245. Crack Initiation and Growth Properties of Shrink-Fitted Axle Assembly in Long-Life Fretting Fatigue
H. Odanaka, M. Kubota, C. Sakae and Y. Kondo
The 8th Materials and Processing Conference (M&P2000)
Waseda Univ., Nov. 2000.
246. Improvement of Fretting Fatigue Strength by NiB Plating
K. Shiromaru, M. Kubota, T. Makino and C. Sakae
JSME Annual meeting 2000, Meijo Univ., Aug. 2000.
247. The Analysis and Prevention of Failure in Steel Making Backup Roll
Y. Ohkomori, H. Odanaka, M. Kubota and C. Sakae
JSME Kyushu branch, July 2000.
248. Crack Initiation Behavior of Shrink-Fitted Axle in Long Life Fretting Fatigue
K. Shiba, H. Odanaka, R. Yamazawa, M. Kubota and C. Sakae.
249. On the Fatigue Design Method for High-Speed Railway Axles,
Kenji HIRAKAWA, Masanobu KUBOTA,
UK/Japan Railway Safety Seminor, October, 1999, Tokyo.
250. Problems on Standardized Fretting Fatigue Test Method,
M. Kubota, K. Tsutusi and K. Hirakawa
JSMS, 48th Annual Metting,
Kyushu Univ, May 1999.
251. Initiation and Propagation Behavior of Small Fatigue Cracks in HIP-Treated Aluminum Alloys: AC4CH,
Y. Ochi, M. Kubota and R. Shibata,
Small Fatigue Cracks Mechanics, Mechanisms and Applications,
Hawaii, Dec. 1998.
252. The Effect of Contact Conditions and Surface Treatments on the Fretting Fatigue Strength of Medium Carbon Steel
M. Kubota, K. Tsutsui, T. Makino and K. Hirakawa
2 nd International Symposium on Fretting Fatigue
University of Utah, USA, Sep. 1998.
253. Effect of Matrix-Structures on Low Cycle Fatigue Properties in Ductile Cast Irons,
Low-Cycle Fatigue and Elasto-Plastic Behavior of Materials (LCF4),
Germany, Sep. 1998.
254. The Effect of the Contact Edge Profile and Surface Treatment on the Fretting Fatigue Strength
K. Nakamura, K. Tsutsui, M. Kubota and K. Hirakawa
75th JSME Spring Annual Metting,
Tokyo Institute of Technology, March 1998.