电磁铸轧2099铝锂合金的均匀化工艺Homogenization process of 2099 Al-Li alloy prepared by electromagnetic roll casting
李洋,李师居,包俞颉,许光明,李勇
摘要(Abstract):
采用光学显微镜、扫描电镜、电子探针微区分析、差式扫描量热仪等研究了不同均匀化处理对不同工艺制备的2099铝锂合金组织的影响;并结合均匀化动力学确定了不同工艺制备的2099铝锂合金适宜的均匀化处理工艺。结果表明:传统铸造工艺制备的2099铝锂合金适宜的均匀化工艺为510℃×24 h,双辊铸轧工艺生产的电磁铸轧合金适宜的均匀化制度为510℃×12 h。双辊铸轧工艺可以通过改善微观组织大幅缩短均匀化处理所需要的时间。
关键词(KeyWords): 2099铝锂合金;双辊铸轧;均匀化处理;微观偏析
基金项目(Foundation): 国家自然科学基金(51790485)
作者(Author): 李洋,李师居,包俞颉,许光明,李勇
DOI: 10.13289/j.issn.1009-6264.2020-0468
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