The imaging of failure in structural materials by synchrotron radiation X-ray microtomography
Wu, SC; Xiao, TQ; Withers, PJ
2017
发表期刊ENGINEERING FRACTURE MECHANICS
ISSN0013-7944
卷号182期号:-页码:127-156
文章类型期刊论文
摘要The initiation and propagation of short cracks are critical to the detailed understanding of the failure mechanisms of engineering materials and structures. Therefore, for a safety critical component, it is beneficial to be able to follow the progress of cracks in loaded structures and real environments ideally at sub-micron spatial resolution and/or sub-second time resolution. Here we review the great progress that has been made in the application of synchrotron radiation X-ray computed microtomography (SR-ACT) to the study of internal damage accumulation and evolution in structural materials including cast irons and steel, nickel superalloys, lightweight titanium and aluminum alloys as well as metallic, ceramic and polymer composite materials together with additatively manufactured or three-dimensional (3D) printed metallic materials. SR-mu CT is shedding light on the complex interactions of cracks with intrinsic porosity, precipitates and intermetallic inclusions and grain structure, as well as macroscopic features such as holes and joints. Furthermore it is enabling qualitative and quantitative relations between the microstructural features and engineering performance to be established and validated under realistic service loading and environmental conditions. Here we introduce the basic 3D and time-lapse (4D) tomographic methods and discuss their strengths and limitations across a range of the applications, as well as identify opportunities for the future. (c) 2017 Elsevier Ltd. All rights reserved.
关键词Fatigue-crack-growth Micro-computed-tomography Diffraction Contrast Tomography Duplex Stainless-steel Cast-aluminum Alloy High-cycle Fatigue Foreign Object Damage Esrf Beamline Id19 In-situ Analysis Mg-cu Alloy
DOI10.1016/j.engfracmech.2017.07.027
关键词[WOS]FATIGUE-CRACK-GROWTH ; MICRO-COMPUTED-TOMOGRAPHY ; DIFFRACTION CONTRAST TOMOGRAPHY ; DUPLEX STAINLESS-STEEL ; CAST-ALUMINUM ALLOY ; HIGH-CYCLE FATIGUE ; FOREIGN OBJECT DAMAGE ; ESRF BEAMLINE ID19 ; IN-SITU ANALYSIS ; MG-CU ALLOY
收录类别SCI
语种英语
WOS记录号WOS:000410010900010
引用统计
被引频次:13[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/331007/28864
专题中科院上海应用物理研究所2011-2018年
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Wu, SC,Xiao, TQ,Withers, PJ. The imaging of failure in structural materials by synchrotron radiation X-ray microtomography[J]. ENGINEERING FRACTURE MECHANICS,2017,182(-):127-156.
APA Wu, SC,Xiao, TQ,&Withers, PJ.(2017).The imaging of failure in structural materials by synchrotron radiation X-ray microtomography.ENGINEERING FRACTURE MECHANICS,182(-),127-156.
MLA Wu, SC,et al."The imaging of failure in structural materials by synchrotron radiation X-ray microtomography".ENGINEERING FRACTURE MECHANICS 182.-(2017):127-156.
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