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Effects of laser shock peening on microstructure and residual stress evolution in Ti-45Al-2Cr-2Nb-0.2B alloy
Qiao HC(乔红超); Zhao JB(赵吉宾); Zhang, Gongxuan; Gao Y(高宇)
作者部门装备制造技术研究室
关键词Laser Peening Microstructure Residual Stress Titanium Alloy
发表期刊Surface and Coatings Technology
ISSN0257-8972
2015
卷号276页码:145-151
收录类别SCI ; EI
EI收录号20153301178648
WOS记录号WOS:000360594600018
产权排序1
资助机构National 863 Program of China (No. 2012AA041310)
摘要Laser peening is a novel surface treatment technique for improving the mechanical properties of metal parts' surface. To investigate and evaluate the effect of laser peening on the microstructural changes, texture evolution, and residual stress distribution changes, laser peening experiment was undertaken using Nd:YAG laser system with the pulse-width of 20. ns and max pulse-energy of 9. J. Micro-hardness measurements of the untreated and treated specimens were carried out with Vickers indenter. Depth-resolved characterization of the residual stresses and strains was achieved using X-ray diffraction. The structure-texture-phase-stress combined analysis was performed based on the X-ray diffraction patterns using the whole pattern fitting method. The relationship between laser peening processing parameters, microstructure, texture, residual stress distribution and hardness are presented and discussed. The results showed that laser peening could improve microstructures and properties of TiAl alloy.
语种英语
WOS标题词Science & Technology ; Technology ; Physical Sciences
WOS类目Materials Science, Coatings & Films ; Physics, Applied
关键词[WOS]X-RAY-DIFFRACTION ; CAST TIAL ALLOY ; ELEVATED-TEMPERATURES ; MECHANICAL-PROPERTIES ; RIETVELD METHOD ; ALUMINUM-ALLOY ; DEFORMATION ; BEHAVIOR ; SURFACE ; PHASE
WOS研究方向Materials Science ; Physics
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/16868
专题装备制造技术研究室
通讯作者Qiao HC(乔红超)
作者单位1.Shenyang Institute of Automation Chinese Academy of Science, Shenyang, China
2.AVIC Shenyang Liming Aero-engine (Group) Corporation LTD., Shenyang, China
推荐引用方式
GB/T 7714
Qiao HC,Zhao JB,Zhang, Gongxuan,et al. Effects of laser shock peening on microstructure and residual stress evolution in Ti-45Al-2Cr-2Nb-0.2B alloy[J]. Surface and Coatings Technology,2015,276:145-151.
APA Qiao HC,Zhao JB,Zhang, Gongxuan,&Gao Y.(2015).Effects of laser shock peening on microstructure and residual stress evolution in Ti-45Al-2Cr-2Nb-0.2B alloy.Surface and Coatings Technology,276,145-151.
MLA Qiao HC,et al."Effects of laser shock peening on microstructure and residual stress evolution in Ti-45Al-2Cr-2Nb-0.2B alloy".Surface and Coatings Technology 276(2015):145-151.
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