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激光冲击成形切割金属箔微压铆接的实验研究

An Experimental Study on Micro Clinching of Metal Foils with Cutting by Laser Shock Forming.

作者信息

Wang Xiao, Li Cong, Ma Youjuan, Shen Zongbao, Sun Xianqing, Sha Chaofei, Gao Shuai, Li Liyin, Liu Huixia

机构信息

School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China.

出版信息

Materials (Basel). 2016 Jul 13;9(7):571. doi: 10.3390/ma9070571.

DOI:10.3390/ma9070571
PMID:28773692
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5456882/
Abstract

This paper describes a novel technique for joining similar and dissimilar metal foils, namely micro clinching with cutting by laser shock forming. A series of experiments were conducted to study the deformation behavior of single layer material, during which many important process parameters were determined. The process window of the 1060 pure aluminum foils and annealed copper foils produced by micro clinching with cutting was analyzed. Moreover, similar material combination (annealed copper foils) and dissimilar material combination (1060 pure aluminum foils and 304 stainless steel foils) were successfully achieved. The effect of laser energy on the interlock and minimum thickness of upper foils was investigated. In addition, the mechanical strength of different material combinations joined by micro clinching with cutting was measured in single lap shearing tests. According to the achieved results, this novel technique is more suitable for material combinations where the upper foil is thicker than lower foil. With the increase of laser energy, the interlock increased while the minimum thickness of upper foil decreased gradually. The shear strength of 1060 pure aluminum foils and 304 stainless steel foils combination was three times as large as that of 1060 pure aluminum foils and annealed copper foils combination.

摘要

本文介绍了一种连接相似和不相似金属箔的新技术，即激光冲击成型切割微压铆接。进行了一系列实验来研究单层材料的变形行为，在此过程中确定了许多重要的工艺参数。分析了通过激光冲击成型切割微压铆接生产的1060纯铝箔和退火铜箔的工艺窗口。此外，成功实现了相似材料组合（退火铜箔）和不相似材料组合（1060纯铝箔和304不锈钢箔）。研究了激光能量对上部箔材互锁和最小厚度的影响。此外，在单搭接剪切试验中测量了通过激光冲击成型切割微压铆接连接的不同材料组合的机械强度。根据所得结果，这种新技术更适用于上部箔材比下部箔材厚的材料组合。随着激光能量的增加，互锁增加，而上部箔材的最小厚度逐渐减小。1060纯铝箔和304不锈钢箔组合的剪切强度是1060纯铝箔和退火铜箔组合的三倍。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ded/5456882/c40210d2771f/materials-09-00571-g015.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ded/5456882/611919024631/materials-09-00571-g010.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ded/5456882/cff091905211/materials-09-00571-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ded/5456882/872a61befd57/materials-09-00571-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ded/5456882/449d051fabb8/materials-09-00571-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ded/5456882/afaf0c70e184/materials-09-00571-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ded/5456882/611919024631/materials-09-00571-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ded/5456882/4ac539072fd8/materials-09-00571-g011.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0ded/5456882/c40210d2771f/materials-09-00571-g015.jpg

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引用本文的文献

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An Experimental Study on Micro-Shear Clinching of Metal Foils by Laser Shock.激光冲击金属箔微剪切压铆的实验研究
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Materials (Basel). 2017 Jan 18;10(1):73. doi: 10.3390/ma10010073.