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Simulation for microstructure evolution of Al-Si alloys in solidification process XU Hong(徐 宏), HOU Hua(侯 华), ZHANG Guo-wei(张国伟) School of Materials Science and Engineering, North University of China, Taiyuan 030051, China Received 10 April 2006; accepted 25 April 2006 Abstract: The numerical simulation for microstructure evolution of Al-Si alloy in solidification process is carried out......
Effect of vacuum on solidification process and microstructure of LFC magnesium alloy LIU Zi-li(刘子利)1, 2,LIU Xi-qin(刘希琴)1, XU Jiang(徐 江)1,GUO Hua-ming(郭华明)1, PAN Qing-lin(潘青林)2, ZHOU Hai... casting process for production of near-net shape castings with high quality. Effect of vacuum on the solidification process and microstructure of LFC magnesium alloy were explored. The results indicate......
cemented carbide were studied. TiN coating was deposited on the homogeneous and gradient cemented carbide substrates by cathodic arc-evaporation. The effects of gradient structure on the microstructure... resistance and cutting of TiN coated cemented carbide improved by 10% and 15%, respectively. Key words: TiN coated cemented carbide; gradient structure; mechanical properties; microstructure; cutting......
Influence of microstructure stability on creep properties of single crystal nickel base superalloys TIAN Su-gui (田素贵)1, MENG Fan-lai (孟凡来)1, DU Hong-qiang (杜洪强)1, WANG Chun-tao(王春涛)1, SHUI Li..., China Received 28 July 2006; accepted 15 September 2006 Abstract: The influence of microstructure stability on the creep properties of single crystal nickel-based superalloys was investigated......
and adhesive strength decrease drastically. Key words: CrMoAlN gradient coating; magnetron sputtering; microstructure; high temperature oxidation Foundation item: Project (LY15E050017) supported by Zhejiang...%,Al 6.39%,N 42.78%和O 0.50%(摩尔分数),微量的O元素的存在可能与真空腔中残留的氧气有关. 图1 CrMoAlN梯度薄膜的截面形貌和EDS线扫描曲线 Fig. 1 Cross-section morphologies (a) and EDS line analysis (b) of CrMoAlN gradient coatings 图2所示为......
Preparation of Biodegradable Mg/β-TCP Biofunctional Gradient Materials by Friction Stir Processing and Pulse Reverse Current ElectrodepositionYabo Zhang1,Huiling Yang1,Shaoqian Lei1,Shijie... to meet clinical needs. In this study, tricalcium phosphate(β-TCP) particles were dispersed in Mg–2 Zn–0.46 Y–0.5 Nd alloy by friction stir processing(FSP) to produce Mg-based functional gradient......
FEM ANALYSIS OF THERMAL STRESSES IN GRADIENT THERMAL BARRIER COATINGS PRODUCED BY EB-PVD H.B.Xu1,H.B.Guo1,S.K.Gong1 (1.Department of Materials Science & Engineering, Beijing University of Aeronautics andAstronautics, Beijiug 100083, China) Abstract:Gradient thermal barrier coatings (GTBCs) produced by co-deposition of mixtures ofAl-Al2 O3-YSZ onto metallic bond coat exhibited longer lifetimes......
on microstructure and transverse rupture strength of cemented carbide with gradient cobalt structure fabricated by pre-sintering-carburizing process were studied by optical microscopy and transverse.... Key word: cemented carbide; gradient structure; carburizing; microstructure; transverse rupture strength  ......