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was tested. As we all know, in powder metallurgy industry, the design of the mold and the choice of the sintering processing conditions used to rely mostly upon previous experiences and a trial... Preparation of AZ91 alloy by powder metallurgy method JIANG Hai(姜 海)1, HE Xin-bo(何新波)1, QU Xuan-hui(曲选辉)1,2, I. S. HUMAIL2 , WANG Xi-tao(王西涛)2 1. School of Materials Science and Engineering......
of inclusions in nickel-base superalloy powder by plasma rotation electrode process(PREP). Inclusions in powder after different processing were assorted and analyzed their form, size, quantity and distribution... μm的粉末中夹杂物占总数量的35%. 图1 原始粉末的粒度与夹杂物分布对应关系图 Fig. 1 Distribution of powder particles and inclusions in original powder 2.2 夹杂物的类型和数量 图2所示为原始以及筛分和静电处理后粉末试样中夹杂物的类型和数量.筛分处理后,夹杂物去除50%以上......
different processing temperatures. 2 EXPERIMENTAL Chemical composition of the samples used in this study, in mass fraction, is 2%Cu, 1%C(graphite) and balance Fe. Water atomized iron powder, which... developments in ferrous powder metallurgy alloys [J]. Int J Powder Metall, 1994, 30(2): 157-162. [3]Rutz H G, Hanejko F G. High density processing of high performance ferrous materials [J]. Int J Powder......
Article ID: 1003-6326(2005)05-1067-05 Joining of SiCp/Al composites by insert powder layers HUANG Ji-hua(黄继华), DONG Yue-ling(董月铃), WAN Yun(万 云), ZHANG Jian-gang(张建纲), ZHOU Guo-an(周国安... to reactive diffusion bond SiCp/6063 MMC. The results show that SiCp/6063 MMC joints bonded by the insert layer of the mixed Al-Si powder have a dense joining layer with a typical hypoeutectic......
Microstructural evolution and its effects on mechanical properties of spray deposited SiCp/8009Al composites during secondary processing CHEN Zhi-gang(陈志钢), CHEN Zhen-hua(陈振华), CHEN... by tensile testing. The experimental results show that lamellar structure is composed of pores and SiCp clusters and can be improved by secondary processing, enhancing mechanical properties. The main......
Trans. Nonferrous Met. Soc. China 25(2015) 1056-1063 Hot deformation and processing maps of Al2O3/Al composites fabricated by flake powder metallurgy Bai-feng LUAN1, Ri-sheng QIU1, Chun-hong LI1..., 0.015-0.06 s-1 for hot working, respectively. The instability zones of flow behavior can also be recognized by the maps. Key words: Al2O3/Al composites; flake powder metallurgy; flow stress; processing......
Synthesis and characterization of metallic Pd embedded TiO2 nanoparticles by reverse micelle and sol-gel processing Jeoung-Ho JIN1, Min-Cheol CHU2, Seong-Jai CHO2, Dong-Sik BAE1... words: catalyst; nanomaterial; powder technology; sol-gel preparation  ......
Ni/Al Intermetallics Plasma Transferred Arc Processing Ana Sofia C. M. D'Oliveira1,Ver2 (1.Mechanical Engineering Department, Federal University of Parana, Curitiba/Brazil;2.o)nica A. B. Almeida(o) 摘要:In-situ alloy development during surface processing allows for a limitless materials selection to protect components exposed to severe service conditions. In fact surface alloying offers......
, 2006, 54: 1135-1146. [24] RAO K P, PRASAD Y V R K, SURESH K. Hot working behavior and processing map of a γ-TiAl alloy synthesized by powder metallurgy [J]. Mater Des, 2011, 32: 4874-4881. [25] ZHU Y...J. Cent. South Univ. (2016) 23: 1556-1563 DOI: 10.1007/s11771-016-3208-8 Processing maps and hot working mechanisms of supercritical martensitic stainless steel WANG Meng-han(王梦寒), WANG Rui(王瑞......
Processing of Ceramic Based Nanocomposite Usingα-Al2O3 Powder and FeCl2 Solution as Starting MaterialsMohamed M.EL-Sayed Seleman摘 要:<正>Alumina-iron nanocomposite powders were prepared by a two-step process.In the first step,α-Al2O3-FeCl2 powder mixture was formed by mixingα-Al2O3 powders with FeCl2 solution followed by drying.In the second step......