崔岩,彭喜英,李新靓,王利成,孙新军

• 1:华北理工大学冶金与能源学院
• 2:唐山工业职业技术学院
• 3:钢铁研究总院工程用钢研究所

摘要(Abstract)：

通过累积叠轧冷焊接的方式成功制备了Ni/Al复合材料。结果表明:叠轧道次n对Ni组元厚度减薄的影响经历2个阶段:当叠轧道次n≤3时,Al层的变形受到层状结构整体性的抑制,从而使得Ni层和Al层接近等比例协调变形,Ni层的减薄率与复合材料整体减薄率接近相等;当叠轧道次n≥4时,硬质组元Ni颗粒弥散分布于Al组元中的"镶嵌效应",使得Ni层减薄率远低于叠轧压下率。发现可通过观察Ni层断裂角度的大小来判断Ni层的断裂顺序,Ni颗粒纵向尖端角度越小,则断裂越早。建立了叠轧道次对Ni层减薄率、镍铝接触度影响的关系方程。

关键词(KeyWords)： Ni/Al复合材料;累积叠轧;接触度;减薄率

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目(2016YFB0301200);; 河北省自然科学基金项目(E2016209390)

作者(Author): 崔岩,彭喜英,李新靓,王利成,孙新军

DOI: 10.13289/j.issn.1009-6264.2019-0601

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