Laser-induced ultrasonic waves in steels
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Ling Yuan; Yifei Shi; Zhonghua Shen; Xiaowu Ni
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Article
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2008
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Elsevier Science
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English
โ 237 KB
Taking account of the gradient changes of the near-surface elastic property, a model of multiple gradient layers on a semi-infinite substrate is established. A finite element method (FEM) model is developed to simulate the laser-induced thermo-elastic generation and propagation of acoustic waves in