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题名: Microscopic surface topography of a wrought superalloy processed by laser shock peening
作者: Lu, G.X.; Liu, J.D.; Qiao HC(乔红超); Zhang, G.L.; Cui, C.Y.; Zhou, Y.Z.; Jin, T.; Zhao JB(赵吉宾); Sun, X.F.; Hu, Z.Q.
作者部门: 装备制造技术研究室
关键词: Wrought superalloy ; Laser shock peening ; Surface topography ; Surface reliefs
刊名: Vacuum
ISSN号: 0042-207X
出版日期: 2016
卷号: 130, 页码:25-33
收录类别: SCI ; EI
产权排序: 2
项目资助者: High Technology Research and Development Program of China (No. 2014AA041701), the National Natural Science Foundation of China (Nos. 51171179, 51271174, 51331005, 51501219, and 11332010) and the Natural Science Foundation of Liaoning Province in China (No. 2015020115).
摘要: Surface topography of an upsetting wrought superalloy processed by laser shock peening was observed in microscale and a series of morphological characteristics such as surface reliefs with special orientation, destructive dimples were found. The longitudinal sizes of the micro surface structures are within 100 nm to 1000 nm generally. The mechanical response laws of metal materials under laser shock were proposed to explain the emergence of the special micro-structure characteristics. It can be concluded that the formation of surface reliefs is a release way of the internal stresses under laser shock and small dimples are deemed as an external representation of the release of impact energy in the mode of fracture damage.
语种: 英语
WOS记录号: WOS:000378450700004
WOS标题词: Science & Technology ; Technology ; Physical Sciences
类目[WOS]: Materials Science, Multidisciplinary ; Physics, Applied
关键词[WOS]: LY2 ALUMINUM-ALLOY ; MECHANICAL-PROPERTIES ; MICROSTRUCTURAL EVOLUTION ; PLASTIC-DEFORMATION ; FATIGUE BEHAVIOR ; ROUGHNESS ; STEEL ; SIMULATION
研究领域[WOS]: Materials Science ; Physics
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/18633
Appears in Collections:装备制造技术研究室_期刊论文

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Recommended Citation:
Lu, G.X.,Liu, J.D.,Qiao HC,et al. Microscopic surface topography of a wrought superalloy processed by laser shock peening[J]. Vacuum,2016,130:25-33.
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文件名: Microscopic surface topography of a wrought superalloy processed by laser shock peening.pdf
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