Kyushu University Academic Staff Educational and Research Activities Database
List of Papers
Ozaki Yukiko Last modified date:2022.03.31

Professor / Department of Materials Science and Engineering,Faculty of Engineering / Department of Materials Science and Engineering / Faculty of Engineering


Papers
1. Isshin Ando, Yasutaka Mugita, Kyosuke Hirayama, Shinji Munetoh, Fei Jiang, Takeshi Tsuji, Akihisa Takeuchi, Masayuki Uesugi and Yukiko Ozaki, Elucidation of pore connection mechanism during ductile fracture of sintered pure iron by applying persistent homology to 4D images of pores: Role of open pore, Materials Science and Engineering A, https://doi.org/10.1016/j.msea.2021.142112, In Press., 2021.09.
2. Takuya Takashita, Yukiko Ozaki, Quantitative analysis of factors increasing coercive force of iron powder cores – Influence of inclusions., Journal of Magnetic Materials and Magnetism, https://doi.org/10.1016/j.jmmm.2021.167992, 535, 167992-167999, 2021.06.
3. TakuyaTakashita, Yukiko Ozaki, Quantitative analysis of the factors increasing coercive force of iron powder cores - influence of porosity., Material Transactions, https://doi.org/10.2320/matertrans.Y-M2021810, 62, 6, 703-710, 2021.05.
4. Yuji Shigeta, Masatoshi Aramaki, Kosuke Ashizuka, Yoshifumi Ikoma, Yukiko Ozaki, Effect of networked Cu-rich ferrite phase on proof stress and ultimate tensile strength of sintered bodies of Fe–Cu hybrid-alloyed steel powder with graphite., Powder Metallurgy, https://doi.org/10.1080/00325899.2021.1871805, 2021.01.
5. Takuya Takashita, Yukiko Ozaki, Influence of Iron powder space factor on hysteresis loss of pure iron powder cores., EPMA, 2020.09.
6. Muhammad KOZIN, Keisuke KUSAKABE,Masatoshi ARAMAKI, Naoya YAMADA5, Satoshi OUE, Yukiko OZAKI, Osamu FURUKIMI and Masaki TANAKA, Effect of Nitriding-Quenching and Carburizing-Quenching Processes on the Wear Resistance
of Sintered Pure Iron., 粉体および粉末冶金, https://doi.org/10.2497/jjspm.67.173, 67, 4, 173-181, 2020.04.
7. Y. Ozaki, Y. Mugita, M. Aramaki, S. Ooue, O. Furukimi, F.Jiang, T.Tsuji, A. Takeuchi, M. Uesugi and K. Ashizuka, Four-dimensional (4D) Observation of Ductile Fracture in Sintered Iron using Synchrotron X-ray Laminography., Powder Metallurgy, 10.1080/00325899.2019.1585032, 62, 2, 145-154, 2019.02, [URL].
8. Y. Ozaki, Y. Mugita, M. Aramaki, S. Ooue, O. Furukimi, F.Jiang, T.Tsuji, A. Takeuchi, M. Uesugi and K. Ashizuka, Four-dimensional (4D) Observation of Ductile Fracture in Sintered Iron using Synchrotron X-ray Laminography., EPMA, 2018.10.
9. Toshiyuki Obikawa, Tatsumi Ohno, Toshio Maetani, Yukiko Ozaki, Machining of sintered steel under different lubrication conditions, Machining Science and Technology, https://doi.org/10.1080/10910344.2017.1365893, 22, 2, 338-352, 2018.05.
10. T.Takashita, N.Nakamura, Y.Ozaki, Influence of Microstructure on Hysteresis Loss of Pure Iron Powder Core, Proc. Powder WorldPM2016, Humburg, Germany, 3292881, 2016.10.
11. Takashita Takuya, Nakamura Naomichi, Ozaki Yukiko, Influence of Particle Shape on Microstructure and Magnetic Properties of Iron Powder Cores, Material Transactions, https://doi.org/10.2320/matertrans.M2016197, 57, 11, 1859-1867, 2016.09.
12. Kobayashi, A; Maetani,T.; Ogura,K; Nakamura,N; Unami,S; Ozaki,Y., Mechanical Properties of Case-Hardened Low Cr Sintered Steel, Jap.J.Soc.Powder and Powder Metall., https://doi.org/10.2497/jjspm.63.573, 63, 7, 573-578, 2016.07.
13. Nushiro,K.; Maetani, T.; Ono,T.; Ozaki,Y., Performance Characteristics of Newly Developed Additive for Machinability Enhancement of Sintered Steel., Jap.J.Soc.Powder and Powder Metall., 63, 7, 595-600, 2016, 2016.07.
14. Unami Shigeru, Ozaki Yukiko, Effects of Graphite Additive Contents and Processing Parameters on the Mechanical Properties of Sintered and Case-Hardened Compacts Made of Molybdenum Hybrid-Alloyed Steel Powder., Jap.J.Soc.Powder and Powder Metall., 63, 7, 579-584, 2016.07.
15. Unami Shigeru, Ozaki Yukiko, Effect of nickel or copper addition on mechanical properties of sintered and carburized compacts made of molybdenum hybrid-alloyed steel powder., Adv. Powder Merall. Part. Mater., 10, 129-139, 2016.07.
16. Unami Shigeru, Uenosono Satoshi, Ozaki Yukiko, Fatigue strength of sintered and carburized compacts made of molybdenum hybrid-alloyed steel powder., Adv. Powder Merall. Part. Mater. , https://doi.org/10.2497/jjspm.54.519, 10, 56-65, 2016.07.
17. Ozaki Yukiko, Takamuya Tsuguyuki, Ono Tomoshige, Mechanisms of stick-slip vibration during warm compaction of iron powder., Adv. Powder Merall. Part. Mater., 01.10-01.18, 2015.09.
18. Ono Tomoshige, Sato Takanori, Ozaki Yukiko, Approach for reducing variation in weight of PM green parts in mass productive pressing line by addition of nanoparticle to raw material powder., Adv. Powder Merall. Part. Mater., 21, 03.26-03.33, 2014.09.
19. Maetani,T; Unami,S.; Ozaki,Y; Yamanishi,Y. , Properties of sintered compacts and heat-treated compacts after sintering made of low Cr prealloyed steel powder. 2013, Euro PM 2013, Special Interest Seminer-Lean Steels, CD-ROM., Euro PM 2013, Special Interest Seminer-Lean Steels, CD-ROM, 2013.12.
20. Takashita Takuya, Nakamura Naomichi, Yukiko Ozaki, Influence on the hysteresis loss of iron powder cores from the strain induced during the compaction process., Adv. Powder Metall. Part. Mater., 10.140-10.149, 2013.09.
21. Hojo, J.; Kiyonaga,T.; Hara,H.; Kawano,T.; Ozaki,Y. , Fundamental Research on Sintering Behavior of Iron Powder with Various Additives. , Powder Metallurgy World Congress & Exhibition. Yokohama, Japan (CD-ROM). 2012,, 16D-T3-6., 2012.12.
22. Unami,S.; Ozaki,Y. , Effect of copper addition on mechanical properties of sintered and case-hardened compacts made of low molybdenum prealloyed steel powder. P, Powder Metallurgy World Congress & Exhibition. Yokohama, Japan (CD-ROM). 2012,, 17A-T9-13., 2012.12.
23. Mochizuki,T.; Iida,K.; Fujima,T.; Shiraki,N.; Takagi,K.; Unami, S. ; Ozaki,Y. , Compressibility and Sinterability Improvement of Cr Prealloyed Steel Powders by Controlling Particle Size Distribution., Powder Metallurgy World Congress & Exhibition. Yokohama, Japan (CD-ROM). 2012,, P-T2-23, 2012.12.
24. Maetani,T.; Shigeru, U.; Ozaki,Y. ; Ohno, T. ; Yamaguchi M. ; Obikawa, T., Machining of Sintered Steel with Different Tools. , Powder Metallurgy World Congress & Exhibition. Yokohama, Japan (CD-ROM). 2012,, 17E-T7-5, 2012.12.
25. Maetani Toshio, Unami Shigeru, Ozaki Yukiko, Effect of a Newly Developed Machinability Aid on Machinability of Sintered Steels. , Powder Metallurgy World Congress & Exhibition. Yokohama, Japan (CD-ROM). 2012,, P-T7-74., 2012.12.
26. Hojo, J.; Kiyonaga,T.; Hara,H.; Kawano,T.; Ozaki,Y. , Fundamental Research on Sintering Behavior of Iron Powder with Various Additives. , Powder Metallurgy World Congress & Exhibition. Yokohama, Japan (CD-ROM). 2012,, 16D-T3-6., 2012.12.
27. Maetani,T.; Shigeru, U.; Ozaki,Y. ; Ohno, T. ; Yamaguchi M. ; Obikawa, T., Machining of Sintered Steel with Different Tools. , Powder Metallurgy World Congress & Exhibition. Yokohama, Japan (CD-ROM). 2012,, 17E-T7-5, 2012.12.
28. Shinozuka,J.; Yauchi,H.; Higucih,T.; Sando, M.;Maetani,T.;Unami, S.;Ozaki,Y., Effect of free-cutting of manganese sulfide on a powder metallurgy steel in cutting speeds ranging from 1 m/s to 150 m/s., Adv. Mater. Res., 565, 370-375, 2012.09.
29. Obikawa, T.; Ohno,T.; Yamaguchi,M.; Maetani,T.; Unami,S.; Ozaki,Y. , Wear characteristics of cutting tools in turning of sintered steel under different lubrication conditions. , Key Eng. Materials. , 523/524, 13-18, 2011.09.
30. Unami,S.; Ozaki,Y; Ono,T. , Properties of sintered compacts made of Ni-free pre-mixed powder based on low Mo prealloyed steel powder. , Proc. PM2010 Powder Metall. World Congr. Florence, Italy (CD-ROM). , 155-158, 2010.09.
31. Unami, S.; Ozaki, Y.; Uenosono, S., Stronger necks and choked pores boost fatigue strength., Metal Powder Report., 64, 8, 14-20, 2009.08.
32. Unami,S.; Ozaki,Y; Uenosono,S. , Rolling contact fatigue property of sintered and carburized compacts made of molybdenum hybrid-alloyed steel powder. Prog. Powder Metall. 2006, Part1, p.713-716., Materials Science Forum. 2007, 534-536, 713-716, 2007.04.
33. Uenosono,S.; Ozaki,Y., Difference in filling property between two types of binder treated powders made of atomized or reduced iron powder., Mater. Sci. Forum. 2007, 534-536, 2, 1613-1616, 2007.04.
34. Ozaki Yukiko, Uenosono Satoshi, Tagami N, Noda Reiji, Horio Masayuki, Kuwagi Kenji, Experimental and numerical investigations of the die filling of iron powders., Adv. Powder Merall. Part. Mater., 1, 3.35-3.46, 2006.09.
35. Ono,T.:Ozaki,Y.:Uenosono,S., Segregation-Free Iron Mixed Powder Containing an Excellent Lubricant Effective for Reducing the Ejection Force at Compaction. , Adv. Powder Merall. Part. Mater. , 1, 3.1-3.6, 2005.09.
36. Unami,S.; Ozaki,Y; Uenosono,S., Effect of retained austenite amounts on the fatigue strength of sintered and bright-quenched steel compacts with a density of 7.5 Mg/m3., Adv. Powder Merall. Part. Mater. , 7, 288-298, 2003.09.
37. Uenosono,S.; Ozaki,Y; Ogura,K., Segregation-free iron powder with improved flowability containing wax lubricant. , Adv. Powder Merall. Part. Mater., 3, 3.14-3.19, 2001.09.
38. Ozaki Yukiko, Uenosono Satoshi, Ogura Kuniaki, An analysis of the compaction behaviors of iron powders during warm compaction., Adv. Powder Merall. Part. Mater., 1, 2.109-2.155, 1999.09.
39. Takajo, S.; Ozaki,Y., Frequency dependence of the permeability and iron loss of iron powder dust cores for high frequency applications. , Power Convers. Intell. Motion HFPC Conf. 1998, 435, 1998.09.
40. Ozaki,Y; Kogiku, F.; Shimotomai,M. , Two-phase microstructure in Pr-(Fe,Co,Ni)-B sintered magnets., J.Alloy. Compd. , 210, 1-2, 99-102, 1994.12.
41. Shimotomai,M.; Fukuda,Y.; Ozaki,Y; Kitano ,Y. , Dispersion-hardened corrosion-resistant Nd-(Fe,Co,Ni)-B ;properties and microstructure. , Trans.Mat.Res.Soc.Jpn. , 14, 997-1000, 1994.06.
42. Kitano,Y.; Shimomura,J.; Shimotomai,M.; Fukuda,Y.; Fujita,A.; Ozaki,Y., Analytical electron microscopy of corrosion-resistant Nd-(Fe,Co,Ni,Ti)-B magnets., J.Alloy Compd. , 193, 1-2, 245-248, 1993.12.
43. Fukuda,Y.; Fujita,A.; Kitano,Y.; Ozaki,Y., Coercivity and toughness of TiB2 dispersed Nd-(Fe,Co,Ni)-B sintered magnets., Proc. 12th Int. Workshop on Rare Earth Magnets and Their Applications, Canberra. 1992, 435, 1992.09.
44. Shimoji,M.;Itami,T.;Morikawa,Y., Higher-order correlation effects on electronic, thermodynamic and atomic-transport properties of liquid mercury alloys., Z.Phys.Chem.Neue Folge., 156, 2, 557-561, 1988.02.
45. Shimotomai,M.; Fukuda,Y.; Fujita,A.; Ozaki,Y., Corrosion-Resistant Nd-TM-B Magnet., IEEE Trans.Mag.1990, 26, 5, 1939-1941, 1990.09.
46. Morikawa,Y.; Itami,T.; Shimoji,M., The volume and the thermal expansion coefficient of liquid-mercury-based alloys containing sodium. , J.Phys.F. , 17, 7, L119-L123, 1987.07.
47. Morikawa,Y.; Itami,T.; Shimoji,M. , The volume and thermal expansion coefficients of liquid Hg-In and Hg-Sn alloys. Evidence for higher-order correlation effects in liquid Hg alloys. , J.Phys.F., 16, 10, 1385-1390, 1986.11.
48. Shimoji,M.;Itami,T.;Morikawa,Y., Higher-order correlation effects on electronic, thermodynamic and atomic-transport properties of liquid mercury alloys., Z.Phys.Chem.Neue Folge., 156, 2, 557-561, 1988.02.
49. Morikawa,Y.; Itami,T.; Shimoji,M., The volume of liquid Hg-In and Hg-Sn alloys., Ber.Bunsen-Ges. Phys. Chem. , 90, 12, 1174-1178, 1986.09.
50. Nozaki, M.; Morikawa,Y.; Itami,T.; Shimoji,M. , The shear viscosity of liquid Hg based alloys containing In., Ber.Bunsen-Ges. Phys. Chem. , 92, 2, 128-132, 1988.02.
51. Desre, P.; Itami,T.; Morikawa,Y.; Shimoji,M., The solute triplet partial structure factor in the long-wavelength limit of highly diluted liquid binary alloys – Application to liquid mercury alloys with the minimum in the thermoelectric power Q. , J.Phys.Condens.Matter. , 1, 20, 3267-3273, 1989.09.
52. Morikawa,Y.; Itami,T.; Shimoji,M. , Higher-order correlation effects on thermodynamic properties of liquid Hg-Na alloys determined by EMF measurements. , J.Phys.Condens.Matter., 1, 31, 5217-5227, 1989.02.