武志玮,杨文,张进东,孟亮

• 1:浙江大学材料科学与工程学系
• 2:鑫晖铜业特种线材有限公司

摘要(Abstract)：

采用大变形冷拉拔制备了双相纤维复合Cu-12%Ag合金,测定了不同温度退火的合金拉伸曲线,研究了退火温度对合金应力-应变行为的影响。在拉伸载荷作用下,400℃以下退火的合金主要发生弹性应变,500℃退火的合金主要发生塑性应变。退火温度达到300℃时,合金的抗拉强度和弹性模量均有一定程度的下降。退火温度高于300℃时,抗拉强度及弹性模量显著下降。当退火导致纤维界面密度及局部应变下降时,合金的塑性流变能力提高但强度下降。当退火导致界面分布不均匀时,则会同时损害双相组织的强化效应和塑性流变能力。

关键词(KeyWords)： Cu-Ag合金;退火;应力应变;强度;弹性模量

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(50671092)

作者(Author): 武志玮,杨文,张进东,孟亮

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