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Effect of laser shock processing on mechanical properties of Ti-45.5Al-2Cr-2Nb-0.15B alloy
Zhao JB(赵吉宾)1,2; Wu JJ(吴嘉俊)1,2,3; Hu XL(胡宪亮)1,2,3; Yang YQ(杨玉奇)1,2,3; Qiao HC(乔红超)1,2
Department工艺装备与智能机器人研究室
Source PublicationOptik
ISSN0030-4026
2020
Volume217Pages:1-5
Indexed BySCI ; EI
EI Accession number20202108701120
WOS IDWOS:000542065100013
Contribution Rank1
Funding OrganizationNational Natural Science Foundation of China (51875558) ; NSFC-Liaoning Province United Foundation (U1608259)
KeywordLaser shock processing Ti-45.5Al-2Cr-2Nb-0.15B alloy Surface residual stress Surface micro-hardness Surface roughness
Abstract

In order to study the effect of laser shock processing (LSP) on mechanical properties of Ti-45.5Al-2Cr-2Nb-0.15B alloy. The Ti-45.5Al-2Cr-2Nb-0.15B alloy samples, after the treatment of vibration stress relief, were LSP treated by a high energy nanosecond Nd:YAG laser. The surface micro-hardness, surface residual stress and surface roughness of samples prior & after the LSP treatment were tested by the micro-hardness tester, hole-drilling strain method and the roughness tester, respectively. The experiment results show that after the treatment of LSP, resulting in a certain residual compressive stress on the surface of the sample. When the laser energy is increased to 7 J, the surface residual stress is increased from 0 MPa to −311 MPa, the surface micro-hardness is increased from 311 HV to 366 HV, and the surface roughness is increased from 43 μm to 72 μm. With the treatment of LSP, the mechanical properties of Ti-45.5Al-2Cr-2Nb-0.15B alloy is improved greatly.

Language英语
WOS SubjectOptics
WOS Research AreaOptics
Funding ProjectNational Natural Science Foundation of China[51875558] ; NSFC-Liaoning Province United Foundation[U1608259]
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/26936
Collection工艺装备与智能机器人研究室
Corresponding AuthorQiao HC(乔红超)
Affiliation1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China
2.Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
Recommended Citation
GB/T 7714
Zhao JB,Wu JJ,Hu XL,et al. Effect of laser shock processing on mechanical properties of Ti-45.5Al-2Cr-2Nb-0.15B alloy[J]. Optik,2020,217:1-5.
APA Zhao JB,Wu JJ,Hu XL,Yang YQ,&Qiao HC.(2020).Effect of laser shock processing on mechanical properties of Ti-45.5Al-2Cr-2Nb-0.15B alloy.Optik,217,1-5.
MLA Zhao JB,et al."Effect of laser shock processing on mechanical properties of Ti-45.5Al-2Cr-2Nb-0.15B alloy".Optik 217(2020):1-5.
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