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In-Situ Observation of SiC Bulk Single Crystal Growth by XRD System Hirotaka Yamaguchi1,Shin-ichi Nishizawa1,Tomohisa Kato1,Kazuo Arai1 (1.National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central, 1-1-1, Umezono, Tsukuba, Ibaraki 305-8568, Japan) Abstract:In-situ analysis for SiC bulk single crystal growth was reported using vertical X-ray diffractometer system......
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the process of in-situ metallurgy, W and C dissolve and interdiffuse in the molten pool. As a result, W2C and WC form successively. The WC growth morphology is triangular prism that transforms from...; coarse-grains; direct current arc in-situ metallurgy; growth morphology 碳化钨(WC)基硬质合金具有较高的硬度,较小的热膨胀系数和优良的耐磨及耐腐蚀性能,被广泛用于采煤,采矿,石油勘探和金属切削等领域.其中,由于粗WC晶粒对裂纹的偏转和分叉作用增强,能有效提高硬质合金的韧性,因此,世界范围内的矿山工具均采用粗晶WC硬质合金......
Synthesis and grain growth kinetics of in-situ FeAl matrix nanocomposites (Ⅱ): Structural evolution and grain growth kinetics of mechanically alloyed Fe-Al-Ti-B composite powder during heat... growth can be limited by pinning the grain boundary with precipitates[4-6]. The in-situ reinforcement forming elements, such as Ti, B and C in the materials, may affect the final grain size by growth......
: explosive clad metal; interfacial crack; crack growth; in-situ tensile 由不同金属材料复合而成的金属/金属层合材料(如利用钛, 锆, 铌, 钽等贵金属和不锈钢组成的复合板)以其独特的结构, 性能, 价格优势得到了人们的关注. 不锈钢/碳钢复合板等已广泛应用于化工和压力容器行业[1-4]. 然而在制备过程...; 裂纹扩展; 原位拉伸 中图分类号: TB331 文献标识码: A In-situ SEM observation of crack propagation along explosive clad interface JIANG Feng1, 2, ZHANG Zhi-bo1, ZHANG Jian1,ZHANG Jing1, ZHU Yan1, SUN Jun1 (1. State......
; directions have the fastest growth velocity, so that Mg2Si particles are likely to form octahedron shape. When gradually increasing the Mg content, the distributions of Mg and Si atoms on the solid... from the octahedron shape into various complex structures with a large size. Key words: hypereutectic Al-Si alloys; primary Mg2Si particles; growth pattern; growth velocity 1 Introduction Hypereutectic......
; 文献标志码:A Morphology of SiC whisker in-situ growth by laser irradiation ZHAO Jian-feng, YUAN Xin (College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China) Abstract: The in-situ growth of SiC whiskers by laser irradiation directly on nano-particles mixed with binder and compressed......
by a linear-type citrate-metal structural "molecule template",led to in-situ growth of Ni-based fibers between cellular microspheres.After 400℃ heat treatment,the precipitation of NiP and Ni3P hard...Hydrothermal growth of Ni-based coatings on copper substratesFang Liu and Yong Zhang School of Materials Science and Engineering,Dalian Jiaotong University,Dalian 116028,China摘 要:
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