Effect of femtosecond laser irradiation on yield strength of nanoporous silver materials

Qiang Zhao,Bin Tang,Hui Wan,Shiyi Luan,Pan Liu,Shengtao Yu,Fang Dong,Dong Chen,Chengqun Gui,Shengjun Zhou

Materials Letters（2021）

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摘要

•An innovative method for preparing nanoporous silver materials using fs laser.•Yield strength increased monotonously by increasing the laser power.•A transformation from single crystal to polycrystalline occurred.•The grain size of nanoporous silver materials decreased with the rise of laser power.

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关键词

Indentation and hardness,Laser processing,Nanocrystalline materials

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