Non-destructive identification of unknown minor phases in polycrystalline bulk alloys using three-dimensional X-ray diffraction
Yang, YM; Xu, L; Wang, YD; Du, GH; Yang, S; Xiao, TQ
2017
发表期刊MATERIALS CHARACTERIZATION
ISSN1044-5803
卷号124页码:206-214
文章类型期刊论文
摘要Minor phases make considerable contributions to the mechanical and physical properties of metals and alloys. Unfortunately, it is difficult to identify unknown minor phases in a bulk polycrystalline material using conventional metallographic methods. Here, a non-destructive method based on three-dimensional X-ray diffraction (3DXRD) is developed to solve this problem. Simulation results demonstrate that this method is simultaneously able to identify minor phase grains and reveal their positions, orientations and sizes within bulk alloys. According to systematic simulations, the 3DXRD method is practicable for an extensive sample set, including polycrystalline alloys with hexagonal, orthorhombic and cubic minor phases. Experiments were also conducted to confirm the simulation results. The results for a bulk sample of aluminum alloy AA6061 show that the crystal grains of an unexpected gamma-Fe (austenite) phase can be identified, three-dimensionally and nondestructively. Therefore, we conclude that the 3DXRD method is a powerful tool for the identification of unknown minor phases in bulk alloys belonging to a variety of crystal systems. This method also has the potential to be used for in situ observations of the effects of minor phases on the crystallographic behaviors of alloys. (C) 2017 Elsevier Inc. All rights reserved.
关键词Unknown Minor Phase Non-destructive Identification 3dxrd
DOI10.1016/j.matchar.2016.12.025
收录类别SCI
语种英语
WOS记录号WOS:000394061900025
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/27395
专题中科院上海应用物理研究所2011-2018年
推荐引用方式
GB/T 7714
Yang, YM,Xu, L,Wang, YD,et al. Non-destructive identification of unknown minor phases in polycrystalline bulk alloys using three-dimensional X-ray diffraction[J]. MATERIALS CHARACTERIZATION,2017,124:206-214.
APA Yang, YM,Xu, L,Wang, YD,Du, GH,Yang, S,&Xiao, TQ.(2017).Non-destructive identification of unknown minor phases in polycrystalline bulk alloys using three-dimensional X-ray diffraction.MATERIALS CHARACTERIZATION,124,206-214.
MLA Yang, YM,et al."Non-destructive identification of unknown minor phases in polycrystalline bulk alloys using three-dimensional X-ray diffraction".MATERIALS CHARACTERIZATION 124(2017):206-214.
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