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Influence of powder characteristics on structure and properties of Ni3Al fabricated by spark plasma sintering MENG Jie(孟 杰), JIA Cheng-chang(贾成厂), HE Qing(何 箐) School of Materials Science... composition Ni75Al25 were employed to prepare Ni3Al alloys by spark plasma sintering(SPS) process. The raw powders include fine powder, coarse powder and mechanically-alloyed fine powder. The effects of powder......
Laser Modification of Plasma Sprayed Alumina Coating陶曾毅,王爱华,朱蓓蒂,邓世均,程旭东,傅江民摘 要:<正> An alumina coating was developed on mildcarbon steel by plasma spraying and then modifiedby laser remelting.Some characteristics of plasmasprayed ceramic coating before and after laserremelting,such as microstructure,wear resistance,heat shock resistance,hot......
and their characteristics [J]. Biomaterials, 1996, 17: 419-424. [11] CHEN Chuan-zhong, WANG Dian-gang, HE Bao-quan. Influence of laser remelting on the microstructure and phases constitution of plasma... Influence of processing parameters and heat treatment on phase composition and microstructure of plasma sprayed hydroxyapatite coatings ZHAO Guo-liang(赵国亮)1, WEN Guang-wu(温广武)1, WU Kun......
of plasma arc remelting furnace[18] 钒合金可用于聚变核反应堆的第一壁结构材料,常见的制备方法为真空自耗电弧重熔法[34].例如,李鱼飞等[35]使用该方法制备了V-4Cr-4Ti合金,以配比为1:4.5:4的V,Cr,Ti粉末为原料,压制,焊接成自耗电极后放置于真空自耗电弧炉中进行精炼,得到的钒钛合金的构型以钒基固溶体为基体,析出相为富含Ti并含有少量V和Cr的高碳型Ti... Yan, LUO Zhi-qiang, XU Yang-tao, et al. Vacuum arc NiTi memory remelting shape alloy[J]. Nonferrous Metals, 2009, 61(3): 6-9. [37] PUKASIEWICZ A G, ALCOVER P R, CAPRA A R, et al. Influence of plasma......
Effect of scanning speed during PTA remelting treatment on the microstructure and wear resistance of nodular cast ironHua-tang Cao,Xuan-pu Dong,Qi-wen Huang,Zhang Pan,Jian-jun Li,Zi-tian FanState Key...">The surface of nodular cast iron(NCI) with a ferrite substrate was rapidly remelted and solidified by plasma transferred arc(PTA) to induce a chilled structure with high hardness and favorable wear......
Microstructural evolution during partial remelting of AM60B magnesium alloy refined by MgCO3 CHEN Ti-jun(陈体军), MA Ying(马 颖), WANG Rui-quan(王瑞全), LI Yuan-dong(李元东), HAO Yuan(郝 远) Key... by MgCO3 and its microstructural evolution was investigated during partial remelting. The results indicate that MgCO3 is an effective grain refiner for AM60B alloy and can decrease the grain size from......
Ultrasonic Plasma Spray--A New Plasma Spray Process WEN Xiong-wei1,LI Lu-ming1,ZHANG Hua-tang1,LU Zhi-qing1 (1.Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China) 摘要:The method of arc- ultrasonic is introduced into plasma spray process. The process of spray ZrO2-NiCoCr AlY thermal barrier coatings (TBCs) using air plasma spray (APS) process is studied. A exciting......
Study of the Active Screen Plasma Nitriding H.Dong1,C.X.Li1,Zhao Cheng2,T.Bell1 (1.Department of Metallurgy and Materials, University of Birmingham, Birmingham, UK;2.Plasma Engineering Laboratory, Qingdao University of Science and Technology, Qingdao, China) 摘要:Active screen plasma nitriding (ASPN) is a novel nitriding process, which overcomes many of the practical problems associated......
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