激光技术2013，Vol.37Issue(2)：270-273,4.DOI:10.7510/jgjs.issn.1001-3806.2013.02.032
激光冲击波作用下3003H16铝合金板料层裂的研究
Research of spalling on 3003H16 aluminium alloy sheet under laser shock wave
黄利伟 1龙昆 1黄宇 1郭海平 1丰琅 1周俊 1马睿佳1
作者信息
摘要
Abstract
In order to understand the influence of the technological parameters on spalling, it was analyzed by means of the finite element simulation. The maximum tensile stress instantaneous fracture criterion was used to check spalling happened or not. Then, the experiment of laser shock forming was carried out. The shocked samples were surveyed with a scanning electron microscope. The emerging, developing and forming of the spalling were analyzed. The results show that the spalling is susceptible to the shock region, and then the spot edge. Spalling will never happen outside the shock region. The influence of pulse width, peak pressure and sheet thickness affect the position of spalling significantly. However, the spot diameter affects it little. These have guiding significance to the development of the laser shock forming.关键词
激光技术/层裂/有限元/激光冲击波/3003H16铝合金Key words
laser technique/ spalling/ finite element/ laser shock wave/ 3003H16 aluminium alloy分类
矿业与冶金引用本文复制引用
黄利伟,龙昆,黄宇,郭海平,丰琅,周俊,马睿佳..激光冲击波作用下3003H16铝合金板料层裂的研究[J].激光技术,2013,37(2):270-273,4.
