摘要
根据Al-Li-Cu-Mg-Zr合金室温拉伸断裂特征的研究结果,提出了铝锂合金的外强化理论,并将其划分为薄带强化和分层强化。同时,从四个方面讨论了铝锂合金的外强化途径和效应,包插:未再结晶扁平晶粒结构的外强化效应,固溶温度对外强化效应的影响,形变热处理的、内外强化作用藕合,时效的外强化机制。
According to research results about fracture feature of monotonic tension for Al-Li-Cu-Mg-Zr alloy, extrinsic strengthening theory was presented, which is divided into ligament strengthening and delamination strengthening. The method and effect of extrinsic strengthening for aluminium- lithium alloy were discussed on four respects,including extrinsic strengthening effect of un crystallized pan-cake grain structure, the influence of solutionising tempera ture on extrinsic strengthening effect,the combination...
出处
《有色金属》
CSCD
1993年第2期72-76,共5页
Nonferrous Metals
基金
国家教委优秀年轻教师基金
关键词
铝锂合金
外强化
拉伸性能
Al-Li alloy
extrinsic strengthening
tension properties
