Grain and interface boundaries governed strengthening mechanisms in metallic multilayers

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• 作者：Qing Zhou^a ; Ping Huang^a ; ^{huangping@mail.xjtu.edu.cn} ; Mabao Liu^b ; Fei Wang^b ; ^c ; ^{wangfei@mail.xjtu.edu.cn} ; Kewei Xu^a ; Tianjian Lu^b ; ^c
• 关键词：Multilayer ; Nanoindentation ; Hardness ; Interface ; Grain boundary
• 刊名：Journal of Alloys and Compounds
• 出版年：2017
• 出版时间：25 March 2017
• 年：2017
• 卷：698
• 期：Complete
• 页码：906-912
• 全文大小：1301 K
• 卷排序：698

文摘

The hardness contribution of interface was overestimated in nanoscale multilayers. Fcc/bcc interface resistance is lower than that of grain boundary in bcc crystals. The easily sheared interface accounts for the “weakening effect” in fcc/bcc systems.