FREQUENCY SPECTRUM ANALYSIS OF ULTRASONIC PULSE EXCITED BY LASER AT METAL SURFACES

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摘要 The frequency spectrum of lascr-cxciicd ultrasonic wave has been measured in various metals including aluminum,sied and copper,at both fm and modified surfaces.The result shows that tke material and surface modification affect the spectrum.

作者 BAI Yuhai PEI Liwei FANG Qiping YAN Yuping

机构地区 Institute of Acoustics

出处《Chinese Physics Letters》 SCIE CAS CSCD 1990年第11期500-502,共3页 中国物理快报（英文版）

关键词 SPECTRUM LASER SURFACE

分类号 TG1 [金属学及工艺—金属学]

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Chinese Physics Letters

1990年第11期

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FREQUENCY SPECTRUM ANALYSIS OF ULTRASONIC PULSE EXCITED BY LASER AT METAL SURFACES

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