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Study On the Tribological Behavior of the Arc-added Glow Discharge Plasma Non-hydrogen Carburization On Titanium Alloy Surfaces PAN Jun-de1,CHEN Fei2,ZHAHGYue-fei3,Liu Yu2,TANG Bin1 (1.Surface...,XRD and XPS, the phase structure and morphology of the carburization modified layer was analyzed. 关键词:Ti6A14V; arc-added glow discharge technique; plasma non-hydrogen carburizing; tribological......
powders have been mixed with WC-Co powders. The spark plasma sintering was carried out under vacuum in a Dr.Sinter Model SPS-1050 spark plasma sintering system (Sumitomo Coal Mining Co, Japan...Article ID: 1003-6326(2005)02-0233-05 Fabrication and mechanical properties of WC-Co-Al2O3 nanocomposites by spark plasma sintering SHEN Jun(沈 军), ZHANG Fa-ming(张法明), SUN Jian-fei(孙剑飞......
and Engineering, Nanjing University of Technology, Nanjing 210009, China) Abstract: The cobalt nanoparticles were prepared by direct current arc plasma evaporation method and the crystalline structure, chemical... in ethanol were studied. The results indicate that the cobalt nanoparticles prepared by direct current arc plasma evaporation achieves a high purity of 99.923% with a narrow size distribution......
for its high strength even at high temperatures. To enhance the alloy’s wear-resistance, Stellite 6 powder is decided to be coated on this alloy by plasma arc. A lot of researches have been done about... into exhausting valve. Stellite 6 powder was provided by Stellite Corp. Ltd. The powder was coated on the head of the exhausting valve by plasma arc. Chemical compositions of Ni76Cr19AlTi alloy......
STUDY ON THE TRANSPORT MECHANISM IN THE ANODE BOUNDARY LAYER OF WELDING ARGON ARC J.Q.Gao1,C.S.Wu1 (1.Institute of Materials Joining, Shandong University, J inan 250061, China) Abstract:The anode region of welding arc is divided into three subzones: the anode boundary layer, the presheath and the sheath. A model is established for analyzing the transport mechanisms in the anode boundary layer......
;组织 中图分类号:TG 456 文献标识码:A Effect of nitrogen on plasma arc in-situ welding of SiCp/Al MMCs LEI Yu-cheng, LI Xian, CHEN Gang, ZHANG Jian-hui, CHENG Xiao-nong (School... MMCs), Plasma arc in-situ welding of SiCp/Al MMCs was carried out using pure argon and argon-nitrogen mixture as plasma gases with 0.8 mm thick titanium filler-plate as in-situ material. The effect......
Mechanical alloying and characteristics of spark plasma sintering of Ti-Al composite powders CHEN Hua(陈 华), XUE Tao(薛 涛), MEN Hong-zhi(门洪志) School of Materials Science and Engineering... by use of high energy ball-milling machine. Structure variations of powder mixtures during mechanical alloying and characteristic of spark plasma sintering were investigated. The results show......
Effect of pulsed current micro plasma arc welding process parameters on fusion zone grain size and ultimate tensile strength of Inconel 625 sheetsChalamalasetti Srinivasa Rao22. Department... size and ultimate tensile strength of pulsed current micro plasma arc welded Inconel 625 nickel alloy. Four factors, five levels, central composite rotatable design matrix is used to optimize......
Mechanical properties and microstructure of Fe3Al intermetallics fabricated by mechanical alloying and spark plasma sintering HE Qing(何 箐), JIA Cheng-chang(贾成厂), MENG Jie(孟 杰) School of Materials... properties of the Fe3Al based alloys were studied by spark plasma sintering from elemental powders (Fe-30Al, volume fraction, %) and mechanically alloying powders. The mechanically alloying powders were......
and Coatings Technology, 2002, 157(2-3): 118-127. [2]Leontiev S A, Kuznetsov V G, Rybnikov A I, et al. Structure and properties of protective coating produced by vacuum arc deposition[J]. Surface...]. 材料工程, 1999(2): 40-42. HAO Shan-shan, LIU Hai-ping, WANG Xiao-hong, et al. Deposition of the NiCrAlY coating by vacuum arc ion plating[J]. Journal of Materials Engineering, 1999(2): 40-42. [7]LI M H......