综述了Laves相TaCr₂合金室温脆性的成因及其增韧方法，从成分设计与组织调控、合金化增韧以及材料制备技术改进等方面介绍了该合金增韧的研究进展和存在的问题。Laves相TaCr₂合金的室温脆性主要是由于TaCr₂的晶胞尺寸大和晶格结构复杂而导致的；今后的研究应集中于利用新型粉末冶金技术制备微纳米级高强韧钽-铬多组元复合材料上。

所属栏目

综述国家自然科学基金资助项目（51161020）；航空科学基金资助项目（2015ZF56024）；江西省金属材料微结构调控重点实验室（南昌航空大学）资助项目（JW201423001）；上海市教委晨光计划项目（15CGB23）

收稿日期

2016/12/102017/6/21

作者单位

万斌:上海民航职业技术学院, 上海 200232
肖璇:南昌航空大学航空制造工程学院, 南昌 330063
宋晟:上海民航职业技术学院, 上海 200232
周天宁:南昌航空大学航空制造工程学院, 南昌 330063
曾媛:南昌航空大学航空制造工程学院, 南昌 330063
贺力:南昌航空大学航空制造工程学院, 南昌 330063

备注

万斌(1972-),男,江西南昌人,副教授,博士

引用该论文:

WAN Bin,XIAO Xuan,SONG Sheng,ZHOU Tianning,ZENG Yuan,HE Li.Research Progress on Room-Temperature Brittleness and Toughening of TaCr₂ Laves Phase Alloy[J].Materials for mechancial engineering,2017,41(8):1～5
万斌,肖璇,宋晟,周天宁,曾媛,贺力.Laves相TaCr₂合金室温脆性及增韧的研究进展[J].机械工程材料,2017,41(8):1～5

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