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indicate that the graded BST thin films prepared by sol-gel technique have a promising candidate for microelectronic device. Key words: compositional gradient; sol-gel technique; microstructure.... What is worse, the heat treating above 800 ℃ will damage the structure of the bottom electrode. In this research work, BaxSr1-xTiO3 (BST) thin films with a compositional gradient of x=0.6 to 1 (in 0.1......
and cracks in the process of laser cladding, a kind of bioceramic coating with gradient compositional design was prepared on the surface of Ti alloy by using wide-band laser cladding. And effect...Effect of Y2O3 Content on Microstructure of Gradient Bioceramic Composite Coating Produced by Wide-Band Laser Cladding Zou Jianglong1,Zheng Min2,DONG Chuang1,Liu Qibin2 (1.State Key Laboratory......
Article ID: 1003-6326(2005)02-0473-05 Higher order asymptotic fields for mode Ⅰ crack in functionally gradient material DAI Yao(戴 耀)1, YAN Xiu-fa(燕秀发)1 (Department of Engineering Mechanics, Academy of Armored Force Engineering, Beijing 100072, China) Abstract: Higher order stress fields for a mode Ⅰ crack perpendicular to the direction of property variation in a functionally gradient......
Phase thermal stability and mechanical properties analyses of(Cr,Fe,V)–(Ta,W)multiple-based elemental system using a compositional gradient filmQiu-wei Xing1,Jiang Ma2,Yong Zhang11. Beijing Advanced.... Here we apply the high-throughput method to investigate the phase evolution and mechanical properties of novel HEA film with the compositional gradient of(Cr,Fe,V)–(Ta,W). First, we deposited......
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that the residual stress only takes part of the responsibility of the total measured lattice strain.In fact,the compositional variation inside the material was found to cause greater strain gradient...Quantification of Compositional and Residual Stress Efects on Lattice Strain in Dual-phase Stainless Steels by Means of Diferential Aperture X-ray Micro-difractionNan LI1,Zhinan AN2,Wenjun......
验数据吻合较好.延长烧结时间,升高烧结温度和增加Co含量均会促进梯度层厚度的增加,而增加Ti含量则会抑制梯度层厚度的增加. 关键词:梯度硬质合金；梯度层；计算机模拟；DICTRA 中图分类号:TG146 文献标志码:A Computer simulation of gradient zone formation in cemented..., Changsha 410083, China) Abstract: The gradient zone formation in Co-W-Ti-C-N, Co-W-Ti-Nb-C-N and Co-W-Ti-Ta-C-N cemented carbides was simulated by using the DICTRA software package in conjunction......
Enhanced Fatigue Property of Welded S355J2W Steel by Forming a Gradient Nanostructured Surface LayerLu An,Yan-Tao Sun,Shan-Ping Lu,Zhen-Bo WangShenyang National Laboratory for Materials Science, Institute of Metal Research , Chinese Academy of Sciences摘 要:Welded joints are usually characterized by microstructural and compositional inhomogeneities, which......
Thermal Shock Property of Al/Ni-ZrO2 Gradient Thermal Barrier Coatings WANG Quan-sheng1,ZHANG Wei-fang2,FAN Jin-juan2 (1.Department of material science and engineering, Beijing Institute of Technology, Beijing, China;2.Failure Analysis Center of Beijing Institute of Aeronautical Materials, Beijing, China) 摘要:Al/Ni-ZrO2 gradient thermal barrier coatings are made on aluminum substrate using......
studied. The results show that SPS is an effective way for fabricating fully dense Ti alloy with a compositional gradient. The average width of α′ phase coarsens with the increase of the content...’. They deposited precursors of BaCo3, Y2O3, Bi2O3, CaO, SrCo3 and CuO onto the substrates of either MgO or LaAlO3 one at a time, and obtained the compositional gradient through controlling the sintering......
