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Effect of laser shock peening on the surface morphology of metallic glasses
Li YS1; Zhang K(张坤)1; Duan GH(段桂花)2; Xu GY(徐光跃)3; Wei YH1; Wei YP(魏延鹏)4; Wei BC(魏炳忱)1
Source PublicationIUMRS International Conference in Asia - IUMRS-ICA 2016
Conference Name17th IUMRS International Conference in Asia, IUMRS-ICA 2016
Conference DateOctober 20, 2016 - October 24, 2016
Conference PlaceQingdao, China
AbstractLaser shock peening is a promising effective approach for improving mechanical properties of metallic glass. In this work, laser shock peening was employed to study the surface morphologies of metallic glasses with different toughness. Numerous localized circular-or arc-shaped structures, with the size of 5~20 μm, were observed in the shock treated surface. The number of these unique localized structures has a close correlation to the ability of metallic glass to accommodate plastic deformation. In addition, the surface morphology evolution of Zr-based metallic glasses with different crystalline degrees is also discussed, indicating that the circular-or arc-shaped structures only appear in fully amorphous system. © 2017 Trans Tech Publications, Switzerland.
KeywordGlass Metals Morphology Surface morphology Amorphous systems Crystalline degree Effective approaches Laser shock peening Localized structures Morphology evolution Shaped structures Zr based metallic glass
Indexed ByEI
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Affiliation1.Key Laboratory of Microgravity (National Microgravity Laboratory), Institute of Mechanics, Chinese Academy of Sciences, Beijing; 100190, China;
2.State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing; 100080, China;
3.China Electronics Technology Group Corporation No.38 Research Institute, Hefei; 230031, China;
4.Key Laboratory for Mechanics in Fluid-Solid Coupling Systems, Institute of Mechanics, Chinese Academy of Sciences, Beijing; 100190, China
Recommended Citation
GB/T 7714
Li YS,Zhang K,Duan GH,et al. Effect of laser shock peening on the surface morphology of metallic glasses[C],2017:689-695.
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