强化固溶处理对7085铝合金组织与性能的影响Effect of enhanced-solid-solution process on microstructure and properties of 7085 aluminum alloy
赵建吉,许晓静,谈成,张香丽,徐驰,陈洋
摘要(Abstract):
采用光学显微镜(OM)、电子背散射衍射检验(EBSD)、X射线衍射仪显微分析(XRD)、拉伸性能测试,研究了强化固溶处理对7085铝合金组织与性能的影响,并分析了其强化机理。结果表明:与常规固溶相比,强化固溶处理使合金的强度显著提高,伸长率变化不大;经时效处理后的7085铝合金的屈服强度为471.8 MPa、抗拉强度为518.3 MPa、伸长率为14.7%;通过对强化机理的分析,强度的提高主要来自于析出沉淀相强化。
关键词(KeyWords): 7085铝合金;强化固溶;微观组织;强化机理
基金项目(Foundation): 江苏省工业科技支撑计划项目(BE2008118);; 江苏大学优秀青年学术骨干培育专项基金(1211110001);; 江苏省高校研究生科研创新计划项目(KYXX_0031,SJLX_0460);; 江苏高校优势学科建设工程项目
作者(Author): 赵建吉,许晓静,谈成,张香丽,徐驰,陈洋
DOI: 10.13289/j.issn.1009-6264.2015.11.018
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