Cu-Cr原位复合材料中Cu/Cu、Cu/Cr界面HRTEM分析Characterization of Cu/Cu and Cu/Cr interface in Cu-Cr in-situ composites by HRTEM
陈小红,刘平,毕莉明,简发萍,刘新宽,马凤仓,李伟
摘要(Abstract):
对大变形制备的Cu-Cr原位复合材料的相界面进行HRTEM分析。结果表明:在Cu/Cu界面观察到两种界面衬度,即完全共格和错配位错衬度;Cu/Cr界面观察到完全共格和波纹图衬度。且发现在应变量η=6.43时,Cu/Cr界面中的Cr侧通过晶内畸变位错调节与基体的应变差异,保持界面的共格状态。
关键词(KeyWords): Cu-Cr原位复合材料;相界面;HRTEM
基金项目(Foundation): 上海市科委基础研究重点项目(10JC1411800);; 上海市教委创新项目(11YZ112);; 上海市教育委员会重点学科建设项目(J50503)
作者(Author): 陈小红,刘平,毕莉明,简发萍,刘新宽,马凤仓,李伟
DOI: 10.13289/j.issn.1009-6264.2013.01.005
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