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YUAN Bei, YAO Hong-bing, ZHANG Yong-kang, TONG Yan-qun, MENG Chun-mei. Dynamic characteristics of thin aluminum under high pressure loading measured by shading principle[J]. LASER TECHNOLOGY, 2011, 35(1): 19-21,125. DOI: 10.3969/j.issn.1001-3806.2011.01.006
Citation: YUAN Bei, YAO Hong-bing, ZHANG Yong-kang, TONG Yan-qun, MENG Chun-mei. Dynamic characteristics of thin aluminum under high pressure loading measured by shading principle[J]. LASER TECHNOLOGY, 2011, 35(1): 19-21,125. DOI: 10.3969/j.issn.1001-3806.2011.01.006

Dynamic characteristics of thin aluminum under high pressure loading measured by shading principle

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  • Received Date: March 14, 2010
  • Revised Date: March 25, 2010
  • Published Date: January 24, 2011
  • In order to measure dynamic characteristics of a specimen in the laser shock forming laser shock forming accurately, a new experimental device was designed to detect the dynamic change of the loaded material based on shading principle. The experimental results indicate that elastic deformation and plastic deformation of 1060 thin aluminum coexist during the process of laser shock forming, and the existence of plastic deformation period is far longer than the elastic deformation. Based on the experiment, it can be calculated that the average speed of elastic deformation and average strain rate of the sample in central area are 3.2103m/s and 8.9104s-1 respectively. The results provide the experimental evidence for the development of relevant laser shock forming technology.
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