Non-destructive identification of unknown minor phases in polycrystalline bulk alloys using three-dimensional X-ray diffraction

doi:10.1016/j.matchar.2016.12.025

CAS OpenIR > 中科院上海应用物理研究所2011-2018年

	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
Source Publication	MATERIALS CHARACTERIZATION
ISSN	1044-5803
Volume	124 Pages:206-214
Subtype	期刊论文
Abstract	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.
Keyword	Unknown Minor Phase Non-destructive Identification 3dxrd
DOI	10.1016/j.matchar.2016.12.025
Indexed By	SCI
Language	英语
WOS ID	WOS:000394061900025
Citation statistics	Cited Times:2[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.sinap.ac.cn/handle/331007/27395
Collection	中科院上海应用物理研究所2011-2018年
Recommended Citation 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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