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用相变晶体学指导Mg-Sn-Mn合金优化设计石章智1,张文征1(1.北京市清华大学材料科学与工程系先进材料实验室)摘 要:以相变晶体学为主要原则对Mg-Sn-X合金进行优化设计.在对现有镁合金系统充分调研的基础上,根据Mg基体与析出相的相变晶体学匹配关系,提出2条相变晶体学判据来判断可能沿Mg基体[0001]α方向择优生长的析出相.根据这2条相变晶体学判据结合相图分析推测在Mg-Sn-Mn系统中可能得到沿Mg基体[0001]α方向择优生长的β-Mn析出相.对Mg-7.5Sn-2.2Mn(质量分数,%)合金时效组......
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Abrasive wear property of laser melting/deposited Ti2Ni/TiNi intermetallic alloy GAO Fei(高 飞), WANG Hua-Ming(王华明) Laboratory of Laser Materials Processing and Manufacturing, School of Materials...; Abstract: A wear resistant intermetallic alloy consisting of TiNi primary dendrites and Ti2Ni......
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钛合金中的正交相变及其应用杨锐1,1,郝玉琳1,董利民1,卢斌1(1.辽宁省沈阳市科学院金属研究所)摘 要:本文概述了钛合金及Ti3Al经过渡族元素合金化形成的正交相的联系与区别,简要总结了作者研究组近期针对这些正交相变的研究结果,分析了需进一步澄清的科学问题.结合低弹性模量超弹性钛合金研制,冷镦紧固件丝材超细网篮显微组织制备以及Ti2AlNb基合金板材和箔材研发3个实例,展示了正交相变规律的实际应用.关键词:β类钛合金； 应力诱发马氏体相变； 相稳定性； Ti2AlNb......
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Properties of electrodeposited amorphous Fe-Ni-W alloy deposits HE Feng-jiao(何凤姣)1, WANG Miao(王 淼)1, LU Xin(陆 欣)2 1. College of Chemistry and Chemical Engineering, Hunan University, Changsha...-Ni-W alloy deposits was proposed. The structure and morphology of Fe-Ni-W alloy deposit were detected by XRD and SEM. The friction and wear behavior of Fe-Ni-W alloy deposit were studied and compared......
High Carbon Alloy Steels with Multiple Types of Ultra-fine Carbides and Their Characteristics QI Yu-hong1,DAI Yu-mei1,LIU Yan-xia1,ZHANG Zhan-ping1,GAO Hong-tao1,MA Yong-qing1 (1.Dalian Maritime University, Dalian, China) 摘要:Under normal forging and annealing conditions, there are different ultra fine carbides (M3C, M23C6, M7C3, M6C and MC) in high carbon alloy steels when alloy composition......
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