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Open AccessArticle

Experimental and Numerical Simulation Investigation on Laser Flexible Shock Micro-Bulging

School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China
Department of Mechanical Engineering, Northern Illinois University, DeKalb, IL 60115, USA
Author to whom correspondence should be addressed.
Academic Editor: Hugo F. Lopez
Metals 2017, 7(3), 93;
Received: 13 February 2017 / Revised: 6 March 2017 / Accepted: 10 March 2017 / Published: 12 March 2017
Laser flexible shock micro-bulging (LFSB) is a novel micro fabrication technology, which combines laser dynamic forming and flexible die forming, which is a type of high strain rate micro-forming. The LFSB of 304 stainless steel foils was investigated in this paper. Experimental and simulated results indicated that the bulging depth and thickness thinning rate of bulging parts increased with an increase of laser energy and a decrease of workpiece thickness. Experimental results also showed the surface morphology of bulging parts. The hardness distribution in the cross section of bulging parts was revealed by nanoindentation experiments. The internal microstructure of micro bulging parts was observed by TEM. In addition, the equivalent stress and plastic strain distribution of bulging parts were shown in the numerical simulation under different workpiece thicknesses and laser energies. View Full-Text
Keywords: laser flexible shock; micro-bulging; numerical simulation laser flexible shock; micro-bulging; numerical simulation
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MDPI and ACS Style

Liu, H.; Sun, X.; Shen, Z.; Li, L.; Sha, C.; Ma, Y.; Gau, J.-T.; Wang, X. Experimental and Numerical Simulation Investigation on Laser Flexible Shock Micro-Bulging. Metals 2017, 7, 93.

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