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题名: Effects of laser peening on micro-structure distributions and deformation microstructure of TiAl
其他题名: 激光冲击强化对TiAl合金的显微硬度的影响
作者: Lu Y(陆莹); Zhao JB(赵吉宾); Qiao HC(乔红超); Zhao YX(赵亦翔)
作者部门: 装备制造技术研究室
关键词: laser technique ; laser shock processing ; TiAl ; micro-hardness ; residual stresses ; roughness
刊名: 光学学报
ISSN号: 0253-2239
出版日期: 2014
卷号: 34, 期号:s1, 页码:269-274
收录类别: EI
产权排序: 1
摘要: The effects of laser shock processing (LSP) are studied on Vicker micro-hardness and residual stresses distributions of peened samples (TiAl) before and after treating. The specimen are treated by Nd:YAG laser system with the wavelength of 1064 nm, pulse-width of 14 ns, and pulse-energy of 2~6 J. Systematic study on the research of the micro-hardness of surface is finished, including section and single light spot of the samples peened by laser, which increase the surface hardness of TiAl alloy by 31.2%. The peak hardness is not on the surface, but inside the specimen. The distribution of single light, which is satisfied with the Gaussian distribution, in correspondence with test results of energy distribution in single light spot.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/15182
Appears in Collections:装备制造技术研究室_期刊论文

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Recommended Citation:
Lu Y,Zhao JB,Qiao HC,et al. Effects of laser peening on micro-structure distributions and deformation microstructure of TiAl[J]. 光学学报,2014,34(s1):269-274.
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文件名: Effects of laser peening on micro-structure distributions and deformation microstructure of TiAl.pdf
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