中国激光, 2012, 39 (7): 0703009, 网络出版: 2012-06-19   

激光冲击铜箔飞片及其复合成形研究

Research on Laser Shock Induced Composite Forming of Copper Foil Flyer
作者单位
江苏大学机械工程学院, 江苏 镇江 212013
摘要
提出了一种激光冲击形成飞片,进而驱动飞片直接成形工件的复合工艺。结合剪切模具,使用波长1064 nm的NdYAG平顶型短脉冲激光束,在厚度为50 μm的铜箔上冲击得到高质量飞片,利用高速飞片直接在成形模具上进行塑性成形,获得了具有良好成形效果的胀形件和环形剪切件。对激光冲击驱动飞片复合成形的机理和性能进行了探讨,并对实验过程中出现的现象及问题进行了初步分析。作为一种高效冲压成形方法,不仅拓展了激光微冲击成形技术的应用领域,也为激光驱动飞片加载金属薄板成形微结构等研究提供了参考。
Abstract
A composite technology using laser driven flyer to form parts is proposed. Combined with the shearing mould, a top-hat NdYAG laser pulse (with 1064 nm wavelength) is used to shock copper foil with the thickness of 50 μm for getting high-quality flyer. The bulging parts and the ring parts with good forming property are finally obtained by high-speed flyer by means of forming mould. The mechanism and performance of laser driven flyer forming technology are studied, furthermore, the phenomenon and problems in the experiments are explored. This composite technology not only expands the application field of laser micro-forming, but also provides reference value on the research of forming microstructure of metal sheet under laser driven flyer.
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周建忠, 高彬, 黄舒, 刘会霞, 陈寒松, 杨晶, 左立党, 安中伟. 激光冲击铜箔飞片及其复合成形研究[J]. 中国激光, 2012, 39(7): 0703009. Zhou Jianzhong, Gao Bin, Huang Shu, Liu Huixia, Chen Hansong, Yang Jing, Zuo Lidang, An Zhongwei. Research on Laser Shock Induced Composite Forming of Copper Foil Flyer[J]. Chinese Journal of Lasers, 2012, 39(7): 0703009.

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