{10–12} Twins across twin boundaries traced by in situ EBSD

IF 6.7 2区材料科学 Q2 CHEMISTRY, PHYSICAL

Journal of Alloys and Compounds Pub Date : 2017-01-05 Epub Date: 2016-08-11 DOI:10.1016/j.jallcom.2016.08.076

Dongfeng Shi , Tianmo Liu , Tianyu Wang , Dewen Hou , Shuoqing Zhao , Shahid Hussain

引用次数: 50

Abstract

In AZ31 magnesium alloy, {10–12} twin pair generated at grain boundary is easy to be observed. In current study, we trace the process of twins impacting grain boundaries and stimulating the nucleation of new twins in neighbouring grains by in situ electron backscatter diffraction (EBSD) technique. Multiple twin variants (caused by twin pair) inside one grain is found in EBSD map, which is considered as the cause of strain hardening for it significantly retard the rate of propagation and growth of twinning during subsequent deformation.

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{10-12}通过原位EBSD追踪孪生边界的双胞胎

AZ31镁合金在晶界处容易观察到{10-12}孪晶。在目前的研究中，我们利用原位电子背散射衍射(EBSD)技术追踪孪晶影响晶界和刺激邻近晶粒中新孪晶成核的过程。在EBSD图中，在一个晶粒内发现了多个孪晶变异(由孪晶对引起)，这被认为是应变硬化的原因，因为它在随后的变形中显著地延缓了孪晶的扩展和生长速度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Alloys and Compounds 工程技术-材料科学：综合

CiteScore

11.10

自引率

14.50%

发文量

5146

审稿时长

67 days

期刊介绍： The Journal of Alloys and Compounds is intended to serve as an international medium for the publication of work on solid materials comprising compounds as well as alloys. Its great strength lies in the diversity of discipline which it encompasses, drawing together results from materials science, solid-state chemistry and physics.