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研究成果 1990 2019

  • 117 引用
  • 6 h指数
  • 45 記事
  • 18 会議での発言
  • 1 コメント/討論
  • 1 Conference article
2019
1 引用 (Scopus)

Four-dimensional observation of ductile fracture in sintered iron using synchrotron X-ray laminography

Ozaki, Y., Mugita, Y., Aramaki, M., Furukimi, O., Oue, S., Jiang, F., Tsuji, T., Takeuchi, A., Uesugi, M. & Ashizuka, K., 3 15 2019, : : Powder Metallurgy. 62, 2, p. 146-154 9 p.

研究成果: ジャーナルへの寄稿記事

Ductile fracture
Synchrotrons
Coalescence
Crack initiation
synchrotrons

自動車焼結部品の現状と展望

Ozaki, Y., 2 1 2019, : : Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 66, 2, 1 p.

研究成果: ジャーナルへの寄稿コメント/討論

公開
2018
1 引用 (Scopus)

Machining of sintered steel under different lubrication conditions

Obikawa, T., Ohno, T., Maetani, T. & Ozaki, Y., 3 4 2018, : : Machining Science and Technology. 22, 2, p. 338-352 15 p.

研究成果: ジャーナルへの寄稿記事

Steel
Lubrication
Machining
Machinability
Fatigue of materials
Iron powder
Drilling
2017
Powders
Friction
Compaction
Hardness
Formability
2016

"Cleanmix™ JFM™ series" for sintered parts with excellent machinability

Nushiro, K., Ono, T. & Ozaki, Y., 3 1 2016, : : JFE Technical Report. 21, p. 58-63 6 p.

研究成果: ジャーナルへの寄稿記事

Machinability
Steel
Powders
Machining
Costs
Iron powder
Powder metallurgy
Powders
Compaction
Sintering

Influence of iron powder properties on hysteresis loss of iron powder core

Takashita, T., Nakamura, N. & Ozaki, Y., 3 1 2016, : : JFE Technical Report. 21, p. 78-84 7 p.

研究成果: ジャーナルへの寄稿記事

Iron powder
Hysteresis
Crystals
Compaction
Iron

Influence of microstructure on hysteresis loss of pure iron powder core

Takashita, T., Nakamura, N. & Ozaki, Y., 1 1 2016, World PM 2016 Congress and Exhibition. European Powder Metallurgy Association (EPMA), (World PM 2016 Congress and Exhibition).

研究成果: 著書/レポートタイプへの貢献会議での発言

Iron powder
Hysteresis
Grain boundaries
Microstructure
Powders
2 引用 (Scopus)

Influence of particle shape on microstructure and magnetic properties of iron powder cores

Takashita, T., Nakamura, N. & Ozaki, Y., 1 1 2016, : : Materials Transactions. 57, 11, p. 1859-1867 9 p.

研究成果: ジャーナルへの寄稿記事

Iron powder
Magnetic properties
magnetic properties
Coercive force
iron

Mechanical properties of case-hardened low Cr sintered steel

Kobayashi, A., Maetani, T., Ogura, K., Nakamura, N., Unami, S. & Ozaki, Y., 1 1 2016, : : Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 63, 7, p. 573-578 6 p.

研究成果: ジャーナルへの寄稿記事

Steel
Mechanical properties
Powders
Fatigue of materials
Case hardening

Ni-free alloyed steel powder for manufacturing heat-treated compacts with tensile strength of 1 300 MPa and 1 500 MPa grades

Kobayashi, A., Unami, S. & Ozaki, Y., 3 1 2016, : : JFE Technical Report. 21, p. 64-70 7 p.

研究成果: ジャーナルへの寄稿記事

Steel
Powders
Tensile strength
Sintering
Heat treatment
1 引用 (Scopus)
Machinability
Steel
Manganese
Costs
Drilling
2015
1 引用 (Scopus)
Pressure measurement
Compaction
Powders
Friction
Formability

Influence of the particle shape on microstructure and magnetic properties of iron powder cores

Takashita, T., Nakamura, N. & Ozaki, Y., 6 1 2015, : : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 79, 6, p. 315-323 9 p.

研究成果: ジャーナルへの寄稿記事

Iron powder
Magnetic properties
magnetic properties
Coercive force
iron

Mechanisms of stick-slip vibration observed during ejection of warm compacted iron powder

Ozaki, Y., Takamiya, T. & Ono, T., 1 1 2015, Advances in Powder Metallurgy and Particulate Materials - Proceedings of the 2015 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2015. Metal Powder Industries Federation, (Advances in Powder Metallurgy and Particulate Materials - Proceedings of the 2015 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2015).

研究成果: 著書/レポートタイプへの貢献会議での発言

Stick-slip
Iron powder
ejection
coefficient of friction
slip
2014

Approach for reducing variation in weight of PM green parts in mass productive pressing line by addition of nanoparticle to raw material powder

Ono, T., Sato, T. & Ozaki, Y., 1 1 2014, Advances in Powder Metallurgy and Particulate Materials - 2014, Proceedings of the 2014 World Congress on Powder Metallurgy and Particulate Materials, PM 2014. Metal Powder Industries Federation, p. 326-333 8 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Waxes
pressing
waxes
Powders
Raw materials
2 引用 (Scopus)

Effect of Cu and graphite addition on the properties of sintered compacts made of low Cr prealloyed powder

Maetani, T., Unami, S., Ono, T., Ozaki, Y. & Ogura, K., 6 1 2014, : : Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 61, 6, p. 313-317 5 p.

研究成果: ジャーナルへの寄稿記事

Graphite
Powders
Pearlite
Bainite
Solid solutions

Newly developed additive for machinability enhancement of iron-based sintered steels

Nushiro, K., Maetani, T., Ono, T. & Ozaki, Y., 1 1 2014, Euro PM 2014 Congress and Exhibition, Proceedings. European Powder Metallurgy Association (EPMA)

研究成果: 著書/レポートタイプへの貢献会議での発言

Machinability
Steel
drilling
machining
Drilling
2013
Steel
Powders
Compressive stress
Austenite
Residual stresses

Influence on the hysteresis loss of iron powder cores from the strain induced during the compaction process

Takashita, T., Nakamura, N. & Ozaki, Y., 12 18 2013, Advances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013. p. 10140-10149 10 p. (Advances in Powder Metallurgy and Particulate Materials - 2013, Proceedings of the 2013 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2013).

研究成果: 著書/レポートタイプへの貢献会議での発言

Iron powder
Coercive force
Hysteresis
Compaction
Annealing

Properties of sintered compacts and heat-treated compacts after sintering made of low Cr prealloyed steel powder

Maetani, T., Unami, S., Ozaki, Y. & Yamanishi, Y., 1 1 2013, International Powder Metallurgy Congress and Exhibition, Euro PM 2013. European Powder Metallurgy Association (EPMA), (International Powder Metallurgy Congress and Exhibition, Euro PM 2013).

研究成果: 著書/レポートタイプへの貢献会議での発言

Steel
automobiles
high strength
Powders
Automobiles
2012
3 引用 (Scopus)

Effect of composite oxide on machinability of iron based sintered material

Unami, S., Maetani, T. & Ozaki, Y., 2012, Advances in Powder Metallurgy and Particulate Materials - 2012, Proceedings of the 2012 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2012. p. 662-670 9 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Machinability
Oxides
Iron
Composite materials
Powders
6 引用 (Scopus)

Effect of MnS on the cutting mechanism of powder metallurgy steel in cutting speeds ranging from 1 m/s to 150 m/s

Shinozuka, J., Yachi, H., Higashi, T., Sando, M., Maetani, T., Unami, S. & Ozaki, Y., 11 26 2012, Advances in Abrasive Technology XV. p. 370-375 6 p. (Advanced Materials Research; 巻数 565).

研究成果: 著書/レポートタイプへの貢献会議での発言

Steel powder metallurgy
Ductile fracture
Experiments
Electron probe microanalysis
Manganese

Excellent drilling machinability aid for iron based sintered compacts "JFM3"

Maetani, T., Unami, S. & Ozaki, Y., 1 1 2012, : : Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 59, 1, p. 37-39 3 p.

研究成果: ジャーナルへの寄稿記事

Machinability
Drilling
Iron

Wear characteristics of cutting tools in turning of sintered steel under different lubrication conditions

Obikawa, T., Ohno, T., Yamaguchi, M., Maetani, T., Unami, S. & Ozaki, Y., 12 11 2012, Emerging Technology in Precision Engineering XIV. p. 13-18 6 p. (Key Engineering Materials; 巻数 523-524).

研究成果: 著書/レポートタイプへの貢献会議での発言

Steel
Cutting tools
Lubrication
Machining
Wear of materials
2011
2 引用 (Scopus)
Dewaxing
Iron powder
Lubricants
Furnaces
Zinc

"Cleanmix" HDX providing high green densities and "Cleanmix" LEX eliminating trouble in compaction process

Ono, T. & Ozaki, Y., 3 2011, : : JFE Technical Report. 16, p. 78-82 5 p.

研究成果: ジャーナルへの寄稿記事

Compaction
Lubricants
Temperature
2 引用 (Scopus)

Drilling machinability of iron-based sintered compacts with machinability aids

Maetani, T., Unami, S. & Ozaki, Y., 2011, Advances in Powder Metallurgy and Particulate Materials - 2011, Proceedings of the 2011 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2011. p. 61-66 6 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Machinability
drilling
Drilling
Iron
porosity
1 引用 (Scopus)

Molybdenum hybrid-alloyed steel powder for high fatigue strength sintered parts using mesh-belt sintering furnace

Unami, S. & Ozaki, Y., 3 1 2011, : : JFE Technical Report. 16, p. 65-70 6 p.

研究成果: ジャーナルへの寄稿記事

Molybdenum
Steel
Powders
Furnaces
Sintering

Ni-free alloyed steel powder "FM Series" for high strength sintered compacts with excellent machinability

Unami, S., Ozaki, Y. & Ono, T., 3 1 2011, : : JFE Technical Report. 16, p. 71-77 7 p.

研究成果: ジャーナルへの寄稿記事

Machinability
Steel
Powders
Tensile strength
Graphite
2010
1 引用 (Scopus)

Development of molybdenum hybrid-alloyed steel powder for high fatigue strength sintered parts

Unami, S., Ozaki, Y., Ushirozako, T. & Tanino, H., 5 1 2010, : : Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 57, 5, p. 341-347 7 p.

研究成果: ジャーナルへの寄稿記事

Molybdenum
Steel
Powders
Sintering
Raw materials
Machinability
Steel
Powders

Properties of sintered compacts made of Ni-free pre-mixed powder based on low Mo prealloyed steel powder

Unami, S., Ozaki, Y. & Ono, T., 1 1 2010, Proceedings of the World Powder Metallurgy Congress and Exhibition, World PM 2010. European Powder Metallurgy Association (EPMA), (Proceedings of the World Powder Metallurgy Congress and Exhibition, World PM 2010; 巻数 3).

研究成果: 著書/レポートタイプへの貢献会議での発言

Steel
Powders
steels
Strengthening (metal)
Sintering
2009

Analysis of delubrication from iron powder compacts based on a direct observation of decomposing lubricant during sintering

Kawano, T., Ono, T. & Ozaki, Y., 2009, Proceedings of the Euro International Powder Metallurgy Congress and Exhibition, Euro PM 2009. European Powder Metallurgy Association (EPMA), 巻 3.

研究成果: 著書/レポートタイプへの貢献会議での発言

Iron powder
lubricants
stearates
Lubricants
sintering
Molybdenum
Steel
Powders
Copper
Mechanical properties
5 引用 (Scopus)
Iron powder
Heating
Powders

Stronger necks and choked pores boost fatigue strength

Unami, S., Ozaki, Y. & Uenosono, S., 1 1 2009, : : Metal Powder Report. 64, 8

研究成果: ジャーナルへの寄稿記事

Molybdenum
Steel
Pore structure
Powders
Industry
2008

Effects of nickel or copper addition on mechanical properties of sintered and carburized compacts made of molybdenum hybrid-alloyed steel powder

Unami, S. & Ozaki, Y., 2008, Advances in Powder Metallurgy and Particulate Materials - 2008, Proceedings of the 2008 World Congress on Powder Metallurgy and Particulate Materials, PowderMet 2008. p. 10129-10139 11 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Molybdenum
Steel
Nickel
Powders
molybdenum
2007

Difference in filling property between two types of binder treated powders made of atomized or reduced iron powder

Uenosono, S. & Ozaki, Y., 2007, Progress in Powder Metallurgy - Proceedings of the 2006 Powder Metallurgy World Congress and Exhibition (PM 2006). PART 2 版 巻 534-536. p. 1613-1616 4 p. (Materials Science Forum; 巻数 534-536, 番号 PART 2).

研究成果: 著書/レポートタイプへの貢献会議での発言

Iron powder
Powders
Binders
Particle size analysis
Iron
2 引用 (Scopus)

Fatigue strength of sintered and carburized compacts made of molybdenum hybrid-alloyed steel powder

Unami, S., Ozaki, Y. & Uenosono, S., 2007, Advances in Powder Metallurgy and Particulate Materials - 2007, Proceedings of the 2007 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2007. p. 1056-1065 10 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Molybdenum
Steel
Powders
molybdenum
steels
4 引用 (Scopus)
Molybdenum
Steel
Powders
Pore structure
Sintering
8 引用 (Scopus)

Rolling contact fatigue property of sintered and carburized compacts made of molybdenum hybrid-alloyed steel powder

Unami, S., Ozaki, Y. & Uenosono, S., 2007, Progress in Powder Metallurgy - Proceedings of the 2006 Powder Metallurgy World Congress and Exhibition (PM 2006). PART 1 版 巻 534-536. p. 713-716 4 p. (Materials Science Forum; 巻数 534-536, 番号 PART 1).

研究成果: 著書/レポートタイプへの貢献会議での発言

Molybdenum
Steel
Powders
molybdenum
steels
2006
2 引用 (Scopus)

Experimental and numerical investigations of the die filling of iron powders

Ozaki, Y., Uenosono, S., Tagami, N., Kuwagi, K., Noda, R. & Horio, M., 12 1 2006, Advances in Powder Metallurgy and Particulate Materials - 2006, Proceedings of the 2006 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2006. p. 335-346 12 p. (Advances in Powder Metallurgy and Particulate Materials - 2006, Proceedings of the 2006 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2006).

研究成果: 著書/レポートタイプへの貢献会議での発言

Iron powder
Powders
iron
Water
Finite difference method
2005
1 引用 (Scopus)

Segregation-free iron mixed powder containing an excellent lubricant effective for reducing the ejection force at compaction

Ono, T., Ozaki, Y. & Uenosono, S., 2005, Advances in Powder Metallurgy and Particulate Materials - 2005, Proceedings of the 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005. p. 1-6 6 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

lubricants
ejection
Powders
Lubricants
Compaction
2004
5 引用 (Scopus)

Steel powder and die-lubricated warm compaction for automotive sintered parts with high density and excellent fatigue property

Unaml, S., Ozaki, Y. & Uenosono, S., 11 1 2004, : : JFE Technical Report. 4, p. 81-88 8 p.

研究成果: ジャーナルへの寄稿記事

Steel
Powders
Compaction
Fatigue of materials
Lubricants
2003
1 引用 (Scopus)
Powders
Lubricants
Iron
Hoppers
Polyethylene
2002
6 引用 (Scopus)

Development of non-magnetic high manganese cryogenic steel for the construction of LHC project's superconducting magnet

Ozaki, Y., Furukimi, O., Kakihara, S., Shiraishi, M., Morito, N. & Nohara, K., 3 1 2002, : : IEEE Transactions on Applied Superconductivity. 12, 1, p. 1248-1251 4 p.

研究成果: ジャーナルへの寄稿Conference article

Superconducting magnets
Steel
Colliding beam accelerators
superconducting magnets
Manganese