Residual Stress Distribution and Microstructure at a Laser Spot of AISI 304 Stainless Steel Subjected to Different Laser Shock Peening Impacts
Abstract
:1. Introduction
2. Experimental Procedures
2.1. Specimen Preparation
Type | Value |
---|---|
Tensile strength, (σb) (kgf/mm2) | 520 |
Specific gravity, (d) (g/cm3) | 7.93 |
Yield strength, (σ) (kgf/mm2) | 205 |
Vickers-hardness (HV) | 200 |
Elongation, (δ) (%) | 40 |
2.2. LSP Experiment
2.3. Residual Stress Measurement and Microstructural Observations
3. Result and Discussions
3.1. Surface Residual Stress Distribution at a Single Laser Spot
3.2. Residual Stress Distribution in Depth Direction along the Diameter of Laser Spot
3.3. Metallographic Observation and Microstructural TEM Characterization
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Zhang, W.; Lu, J.; Luo, K. Residual Stress Distribution and Microstructure at a Laser Spot of AISI 304 Stainless Steel Subjected to Different Laser Shock Peening Impacts. Metals 2016, 6, 6. https://doi.org/10.3390/met6010006
Zhang W, Lu J, Luo K. Residual Stress Distribution and Microstructure at a Laser Spot of AISI 304 Stainless Steel Subjected to Different Laser Shock Peening Impacts. Metals. 2016; 6(1):6. https://doi.org/10.3390/met6010006
Chicago/Turabian StyleZhang, Wenquan, Jinzhong Lu, and Kaiyu Luo. 2016. "Residual Stress Distribution and Microstructure at a Laser Spot of AISI 304 Stainless Steel Subjected to Different Laser Shock Peening Impacts" Metals 6, no. 1: 6. https://doi.org/10.3390/met6010006