陈力捷,樊建锋,董洪标,许并社

• 1:新材料界面科学与工程教育部重点实验室太原理工大学
• 2:山西省新材料工程技术研究中心
• 3:太原理工大学
• 4:太原理工大学材料科学与工程学院

摘要(Abstract)：

采用累积叠轧法(ARB)对Mg/Al多层板材进行高周期ARB变形,利用光学显微镜(OM)、扫描电子显微镜(SEM)和能谱仪(EDS)研究了Mg/Al多层板材在ARB变形过程中的微观组织,并在拉伸试验机上测试板材的室温抗拉强度并通过扫描电子显微镜(SEM)观察拉伸试验后的断口形貌。结果表明,随着叠轧周期数的增加,Mg/Al多层复合材料层界面处生成并长大的金属间化合物明显细化,该化合物会逐渐呈连续多层状分布,同时也提高了层界面的结合程度。不过,Mg/Al多层复合材料的抗拉强度在叠轧过程中却呈现出不规则的变化趋势。

关键词(KeyWords)： 累积叠轧;Mg/Al多层复合材料;金属间化合物;抗拉强度

Abstract:

Keywords:

基金项目(Foundation): 教育部新世纪优秀人才支持计划(NCET-12-1040);; 国家自然科学基金(50901048,51174143);; 教育部科学技术研究重点项目(2012017);; 山西省自然科学基金(2010021022-5)

作者(Author): 陈力捷,樊建锋,董洪标,许并社

DOI: 10.13289/j.issn.1009-6264.2014.s1.006

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