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New Steel Making Process through Reduction and Sintering of Cementite Powder N.OUCHIDA1,T.TSUCHIYAMA1,K.NAKASHIMA1,S.TAKAKI1,M.EGASHIRA2 (1.Department of Materials Science and Engineering, Kyushu University;2.Sumitomo Metal Industries, Ltd) 摘要:A new steel making process through reduction and sintering treatment of cementite powder was proposed, and microstructure of the material obtained......
Fabrication,structure and compression performance of Inconel 617 superalloy honeycombWANG Hongwei,WEI Zunjie,ZHU Zhaojun,and LI Zhiwei School of Materials Science and Engineering,Harbin Institute... boundary precipitates,Cr7C3 and M23C6 type carbides.The honeycomb microstructure sintered using fine powder particles are denser than that of coarse powder particles.Yield strength and Young’s modulus......
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度为1000 ℃,2 h. REFERENCES [1] 张义文, 刘建涛. 粉末高温合金研究进展[J]. 中国材料进展, 2013, 32 (1): 1-12. ZHANG Yi-wen, LIU Jian-tao. Development in powder metallurgy superalloy[J]. Materials China, 2013, 32(1): 1-12. [2] 杨... of powder metallurgy superalloy FGH96 during hot compression[J]. The Chinese Journal of Nonferrous Metals, 2015, 25(10): 2707-2719. [3] MAO J, CHANG Keh-Minn, YANG Wan-hong, FURRER D U, RAY K,VAZE S P......
Preparation of doping titania antibacterial powder by ultrasonic spray pyrolysis WEI Shun-wen(韦顺文)1, PENG Bing(彭 兵)1, CHAI Li-yuan(柴立元)1, LIU Yun-chao(刘云超)1, LI Zhu-ying(李竹英)2 1. School... of the powder can be controlled by adjusting the concentration of solution. The experimental approach indicates that the size and the value of standard deviation of particle size increase from 210 nm......
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, Central South University, Changsha 410083, China Received 7 January 2020; accepted 17 August 2020 Abstract: To study the hot deformation behavior of a new powder metallurgy nickel-based superalloy, hot... isothermal forging conditions for the superalloy is determined to be t=1075-1105 °C and =10-3-10-2.8 s-1. Key words: powder metallurgy; nickel-based superalloy; hot deformation behavior; constitutive......
Recrystallizaiton Behavior of Directionally Solidified DZ4 Superalloy TAO Chun-Hu1,LI Yun-ju1,ZHANG Wei-fang1 (1.Failure Analysis Center of AVIC, Beijing Institute of Aeronautical Materials, Beijing, China) 摘要:This article investigated effects of degrees of deformation, heat treatment temperatures and holding times on the recrystallization behavior of directionally solidified DZ4 superalloy......