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| 1 | Microstructure,Phase Transformation,Precipitation Behavior and Mechanical Properties of P/M Cu40Zn-1.0 wt%Ti Brass Alloy via Spark Plasma Sintering and Hot Extrusion显示文摘The effect of titanium addition on the microstructure and mechanical properties of brass Cu40Zn has been studied via the powder metallurgy(P/M) route.The water-atomized Cu40Zn—1.0 wt%Ti alloy powder was consolidated at different temperatures in the range of 400—600 ℃ using spark plasma sintering(SPS) and hot extrusion subsequently.Results show that the super-saturated solid solution titanium element in rapidly cooled brass Cu40Zn powder created high chemical potential for a precipitate reaction,showing significant grain refinement effects on the consolidated Cu40Zn matrix.Consequently,excellent mechanical properties were obtained by precipitation hardening and work hardening after sintering and extrusion,with yield strength of 390 MPa,ultimate tensile strength of 617 MPa,and Vickers micro-hardness of 192 HV,which are 28.7%,23.4%,and 23.9%higher values than those of extruded Cu40Zn brass,respectively. | Shufeng Li Hisashi Imai Katsuyoshi Kondoh | 2013 | Journal of Materials Science & Technology2013，29，11： | 2 |
| 2 | Direct welding of different metals used ultrasonic vibratiort 显示文摘 | Matsuoka Shin-ichi Hisashi Imai | 2008 | Journal of Materials Process- ingTeelmology2008，12，2： | 1 |
| 3 | Direct welding of different metals used ultrasonic vibrafion显示文摘 | Shin-ichi Matsuoka Hisashi Imai | 2009 | journal of materials processing technology2009，209，： | 1 |
| 4 | Fabrication and properties of high-strength extruded brass using elemental mixture of Cu–40% Zn alloy powder and Mg particle显示文摘 | Haruhiko Atsumi Hisashi Imai Shufeng Li Katsuyoshi Kondoh Yoshiharu Kousaka Akimichi Kojima | 2012 | Materials Chemistry and Physics (-)2012，，2： | 1 |
| 5 | Rc-cormtruction method after plications 显示文摘 | Shinji Osada Hisashi Imai Yoshiyuki Sasaki | 2012 | J Pancreas2012，13，1： | 1 |
| 6 | Characteristics of powder metallurgy pure titanium matrix composite reinforced with multi-wall carbon nanotubes显示文摘 | Katsuyoshi Kondoh Thotsaphon Threrujirapapong Hisashi Imai Junko Umeda Bunshi Fugetsu | 2009 | Composites Science and Technology2009，，7： | 1 |
| 7 | Extracellular signal-regulated kinase and Akt activation play a criticalrole in the process of hepatocyte growth factor-induced epithelial-mesenchymaltransition显示文摘 | Toshiyuki Tanahashi Shinji Osada Atsuko Yamada Junko Kato Kazunori Yawata Ryutaro Mori Hisashi Imai Yoshiyuki Sasaki Shiro Saito Yoshihiro Tanaka Kenichi Nonaka Kazuhiro Yoshida | 2013 | International Journal of Oncology2013，，2： | 1 |
| 8 | Extracellular signal-regulated kinase and Akt activation play a criticalrole in the process of hepatocyte growth factor-induced epithelial-mesenchymaltransition显示文摘 | Toshiyuki Tanahashi Shinji Osada Atsuko Yamada Junko Kato Kazunori Yawata Ryutaro Mori Hisashi Imai Yoshiyuki Sasaki Shiro Saito Yoshihiro Tanaka Kenichi Nonaka Kazuhiro Yoshida | 2013 | International Journal of Oncology2013，，2： | 1 |
| 9 | Stability of strengthening effect of in situ formed TiC p and TiB w on the elevated temperature strength of (TiC p +TiB w )/Ti composites显示文摘 | Lei Jia Biao Chen Shu-feng Li Hisashi Imai Makoto Takahashi Katsuyoshi Kondoh | 2014 | Journal of Alloys and Compounds2014，，： | 1 |
| 10 | High-strength, lead-free machinable α–β duplex phase brass Cu–40Zn–Cr–Fe–Sn–Bi alloys显示文摘 | Haruhiko Atsumi Hisashi Imai Shufeng Li Katsuyoshi Kondoh Yoshiharu Kousaka Akimichi Kojima | 2011 | Materials Science & Engineering A2011，，： | 1 |
| 11 | Fabrication and properties of lead-free machinable brass with Ti additive by powder metallurgy显示文摘 | Shufeng Li Katsuyoshi Kondoh Hisashi Imai Haruhiko Atsumi | 2010 | Powder Technology2010，，1： | 1 |
| 12 | Fabrication and properties of lead-free machinable brass with Ti additivie by powder metallurgy显示文摘 | LI Shu-fen Kondoh Katsuyoshi Imai Hisashi | 2011 | Powder Technology2011，205，： | 1 |
| 13 | Fabrication of high-strength Ti materials by in-process solid solution strengthening of oxygen via P/M methods显示文摘 | Bin Sun Shufeng Li Hisashi Imai Takanori Mimoto Junko Umeda Katsuyoshi Kondoh | 2013 | Materials Science & Engineering A2013，，： | 1 |
| 14 | Preoperative assessment of para-aortic lymph node metastasis in patients with pancreatic cancer显示文摘 | Hisashi Imai Ryuichiro Doi Hiroyuki Kanazawa Naoko Kamo Masayuki Koizumi Toshihiko Masui Yasuhiro Iwanaga Yoshiya Kawaguchi Yasutsugu Takada Hiroyoshi Isoda Shinji Uemoto | 2010 | International Journal of Clinical Oncology2010，，3： | 1 |
| 15 | How Do Acupunc- ture and Moxibustion Act? - Focusing on the Progress in Japanese Acu- puncture Research 显示文摘 | Kenji Kawakital Hisashi Shinbara Kenji Imai | 2006 | J Pharmacol Sci2006，100，： | 1 |
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