金属学报  1996, Vol. 32 Issue (3): 249-253

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Al-Li单晶体锯齿流变的形态特征

田宝辉;张永刚;陈昌麒

北京航空航天大学

MORPHOLOGY OF SERRATED FLOW OF AI-Li SINGLE CRYSTALS

TIAN Baohui; ZHANG Yonggang; CHEN Changqi(Beijing University ofAeronautics and Astronautics; Beijing 100083) (Manuscript received 1 995-05- 1 6; in revised form 1 995-08-25)

田宝辉;张永刚;陈昌麒. Al-Li单晶体锯齿流变的形态特征[J]. 金属学报, 1996, 32(3): 249-253.
, , . MORPHOLOGY OF SERRATED FLOW OF AI-Li SINGLE CRYSTALS[J]. Acta Metall Sin, 1996, 32(3): 249-253.

摘要 参考文献 相关文章 Metrics 全文: PDF(387 KB)   摘要: 研究了Ａｌ－Ｌｉ单晶体在不同温度和应变速率范围内产生的锯齿流变及其形态特征．开始产生锯齿流变的临界应变随着温度的升高（或应变速率的降低）先减小再增加．锯齿频率和应力变化幅度受温度和应变速率的影响，但不随应变单调变化．锯齿的类型与其产生的本质以及频率和应力幅度的变化没有明确的对应关系 关键词 ： 锯齿流变,  锯齿频率,  锯齿幅度,  Ａｌ－Ｌｉ单晶体     Abstract：The serration flow and its morphology of Al-Li single crystal were investigated under different temperatures(T) and strain rates(ε). The critical strain of serration(εc) first increased and then decreased with increasing T or decreasing ε. Temperature and strain rate have some influences on the frequency and amplitude of serration which changed irregularly with deformation. The relations between the type of the serration and the mechanisms for the occurrence of serration, and the changes of frequency and amplitude were obscure in the Al-Li single crystal. Correspondent: TIAN Baohui, Departinent of Materials, Beijing University of Aeronaulics and Astronautics,Beijing 100083 Key words： serrated flow    serrated frequency    serrated amplitude    Al-Li single crystal 收稿日期: 1996-03-18      基金资助:国家自然科学基金;;航空基金 服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 田宝辉 张永刚 陈昌麒 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1996/V32/I3/249 1KingJE,YouCY,KnottJF．ActaMetall,1981;29:15532SivakesavamO,SahaGG,RaghavaSrinirasaK．MalerSciTechnol,1988;4:5783DelafasseD,LapassetG,KubinLP．ScrMetallMater,1993;29:13794KumarS,PinkE．ScrMetallMater．1995;32:7495PinkE,GrinbergA．MaterSciTechnol,1981;51:16FujitaH,TabataT．ActaMetallMaler,1977;25:7937HuangJC,GrayGT．ScrMetallMaler．1990:26:858BrechetY,EstinY．ScrMetall,1994;31:185 [1] 赵帅 李秀艳 戎利建. 一种奥氏体FeNi基合金中的锯齿流变现象[J]. 金属学报, 2011, 47(8): 1017-1021. [2] 田宝辉;李焕喜;张永刚;陈昌麒. Al—Li单晶体锯齿流变的产生机制[J]. 金属学报, 1998, 34(6): 603-608. [3] 田宝辉;李焕喜;张永刚;陈昌麒. Al—Li单晶体中锯齿流变行为的影响因素[J]. 金属学报, 1997, 33(6): 577-582. [4] 吴敏;徐约黄;沈功田. 时效对LC9铝合金锯齿流变的影响[J]. 金属学报, 1991, 27(5): 33-38. Viewed Full text Abstract Cited   Shared      Discussed