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Heat Exchanging Process of Metal Target under Millisecond Pulsed Laser Shocking

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【Author】 Wang Hongli 1,2 ,Zhao Zhipei 1 ,Sun Jing 3 , Yang Jing 3 (1. School of Mechanical Engineering, Tianjin University, Tianjin 300072, China; 2. Tianjin Key Laboratory of Nonlinear Dynamics and Chaos Control, Tianjin 300072, China; 3. School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China)

【机构】 School of Mechanical Engineering, Tianjin University； Tianjin Key Laboratory of Nonlinear Dynamics and Chaos Control； School of Materials Science and Engineering, Tianjin University；

【摘要】 Laser plays an important role in synthesizing nanometer material. A three-dimensional mathematical model is established in this paper when single pulsed millisecond laser shocks the surface of the metal target at a liquid-solid interface. By changing laser power density and target size, the temperature field variation of the metal target is investigated. Results show that the generation process of nanoparticles includes heating, melting and boiloff.更多还原

【Abstract】 Laser plays an important role in synthesizing nanometer material. A three-dimensional mathematical model is established in this paper when single pulsed millisecond laser shocks the surface of the metal target at a liquid-solid interface. By changing laser power density and target size, the temperature field variation of the metal target is investigated. Results show that the generation process of nanoparticles includes heating, melting and boiloff.更多还原

【关键词】 laser shocking； pulse； heat exchanging；
【Key words】 laser shocking； pulse； heat exchanging；

【基金】 Supported by National Natural Science Foundation of China(No.50902103)

【文献出处】 Transactions of Tianjin University ,天津大学学报(英文版) , 编辑部邮箱 ,2013年01期

【分类号】TG665
【下载频次】27

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