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Fabrication of Isotropic Pyrocarbon at 1400 ℃ by Thermal Gradient Chemical Vapor Deposition Apparatus郭领军State Key Laboratory of Thermostructure Composites Materials,Northwestern Polytechnical University摘 要:An experiment was designed to prepare isotropic pyrocarbon by thermal gradient chemical vapor deposition apparatus. The deposition was performed......
Carburized Effect on Gradient Cemented Carbide of TiC/TaC Prepared by Liquid Phase Sintering邵延君,LI Xing,WANG Jianqing,WANG JunyuanSchool of Mechanical and Power Engineering,North University of China摘... measured by using optical microscopy and X-ray photoelectron spectrometry along the gradient direction.The experimental results showed that a large amount of solid solution phases were formed......
Gradient microstructure and enhanced mechanical performance of magnesium alloy by severe impact loadingMaryam Jamalian,David P.FieldSchool of Mechanical and Materials Engineering, Washington State University摘 要:Subjecting a workpiece to a surface treatment with severe impact loading is a novel severe plastic deformation procedure to fabricate gradient......
Dy gradient and coercivity in grain boundary diffusion processed Nd-Fe-B magnet周磊1,李建1,2,程星华1,刘涛1,喻晓军1,李波21. Functional Materials Division, Advanced Technology & Materials Co., Ltd.2. China Iron... wt.% to 0.3 wt.%. Compared with the original status, the coercivity increment was not proportional to the Dy diffusion amount. Subsequent Hcj and Dy content gradient data showed that slope of the 0.3......
Dy gradient and coercivity in grain boundary diffusion processed Nd-Fe-B magnet周磊1,李建1,2,程星华1,刘涛1,喻晓军1,李波21. Functional Materials Division, Advanced Technology & Materials Co., Ltd.2. China Iron... wt.% to 0.3 wt.%. Compared with the original status, the coercivity increment was not proportional to the Dy diffusion amount. Subsequent Hcj and Dy content gradient data showed that slope of the 0.3......
FORMATION OF GRADIENT COATING OF Fe-BASED ALLOY WITH RARE EARTHS BY PLASMA SURFACING A.Q.Sun1,J.F.Chen2,Q.K.Cai2,L.J.Shang1,C.M.Zhang1 (1.College of Materials Science and Engineering, Shenyang Polytechnic University, Shenyang 110023, China;2.School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China) Abstract:A gradient coating of Fe-based alloy was manufactured......
Separation of Silver Nanocrystals for Surface-enhanced Raman Scattering Using Density Gradient CentrifugationQijin Huang1,Wenfeng Shen1,Ruiqin Tan2,Wei Xu1,Weijie Song11. Ningbo Institute of Material... polydisperse samples using density gradient centrifugation separation(DGCS).We also demonstrate that the separated AgNCs can be used as substrates for surfaceenhanced Raman scattering(SERS......
Influence of current density on nano-Al2O3/Ni+Co bionic gradient composite coatings by electrodepositionYan Liu1),Luquan Ren1),Sirong Yu2),and Zhuwu Han1) 1) The Key Laboratory of the Ministry...,and nano-Al2O3 was chosen as the second-phase particulates. To avoid poor inter-face bonding and stress distribution,the gradient structure of biology materials was found as the model and therefore......
Development of gradient microstructure in the lattice structure of AlSi10Mg alloy fabricated by selective laser meltingMulin Liu,Naoki Takata,Asuka Suzuki,Makoto KobashiDepartment of Materials... of the lattice structure,a gradient microstructure(continuous change in microstructure) was observed.The columnar α-Al phases were observed near the top surface of the node portion,whereas they became......
晶侧的液态钴相流向细晶侧,使细晶侧的WC骨架发生重组而达到稳定状态. 关键词: 硬质合金; 层状材料; 梯度结构 中图分类号:TF125.2 文献标识码:A 文章编号: 1672-7207(2005)03-0349-05 Gradient structure of coupled cemented carbides with different WC grades YANG... Ltd, Zigong 643011, China) Abstract: Cemented carbides with gradient structure was fabricated by coupling WC grades with different grain sizes. The results show that the gradient structure is formed......
