Journal ArticleDOI
Effect of laser shot peening on precipitation hardened aluminum alloy 6061-T6 using low energy laser
S. Sathyajith,S. Kalainathan +1 more
TLDR
In this article, a laser shot peening on precipitation hardened aluminum alloy 6061-T6 with low energy (300mJ, 1064nm) Nd:YAG laser using different pulse densities of 22 and 32 pulses/mm2 and 32pulses /mm2, respectively.About:
This article is published in Optics and Lasers in Engineering.The article was published on 2012-03-01. It has received 70 citations till now. The article focuses on the topics: Shot peening & Peening.read more
Citations
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Journal ArticleDOI
Laser Peening Process and Its Impact on Materials Properties in Comparison with Shot Peening and Ultrasonic Impact Peening
TL;DR: The laser shock peening (LSP) process using a Q-switched pulsed laser beam for surface modification has been reviewed and enhancements in the surface micro and nanohardness, elastic modulus, tensile yield strength and refinement of microstructure which translates to increased fatigue life and fretting fatigue life, stress corrosion cracking (SCC) and corrosion resistance were addressed.
Journal ArticleDOI
Microstructure, residual stress and tensile properties control of wire-arc additive manufactured 2319 aluminum alloy with laser shock peening
Rujian Sun,Liuhe Li,Ying Zhu,Wei Guo,Peng Peng,Baoqiang Cong,Jianfei Sun,Zhigang Che,Bo Li,Chao Guo,Lei Liu +10 more
TL;DR: In this paper, laser shock peening was combined with wire-arc additive manufacturing to refine microstructure, modify stress state and enhance tensile properties of as-printed 2319 aluminum alloy.
Journal ArticleDOI
Evaluation of corrosion resistance of AA6082-T651 aluminium alloy after laser shock peening by means of cyclic polarisation and ElS methods
Uroš Trdan,Janez Grum +1 more
TL;DR: Laser shock peening (LSP) without ablative coating at various power densities was applied to AA6082 aluminium alloy to investigate corrosion behavior in a 0.6-M NaCl solution.
Journal ArticleDOI
Effect of laser shot peening without coating on the surface properties and corrosion behavior of 316L steel
TL;DR: In this paper, the results of laser peening without coating on low carbon austenitic stainless steel 316L were discussed, and the dependence of laser pulse density on properties such as surface roughness, surface residual stress, microhardness, and corrosion behavior of LPwC specimen were investigated.
Journal ArticleDOI
Laser shock peening without absorbent coating (LSPwC) effect on 3D surface topography and mechanical properties of 6082-T651 Al alloy
TL;DR: In this article, the influence of nanosecond laser pulses applied by laser shock peening without absorbent coating (LSPwC) with a Q-switched Nd:YAG laser operating at a wavelength of λ = 1064 nm on 6082-T651 Al alloy has been investigated.
References
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Book
Elements of X-ray diffraction
TL;DR: In this article, the authors present a chemical analysis of X-ray diffraction by Xray Spectrometry and phase-diagram Determination of single crystal structures and phase diagrams.
Journal ArticleDOI
Laser shock processing and its effects on microstructure and properties of metal alloys: a review
TL;DR: In this paper, the current status of research and development on laser shock processing of metals, also known as laser peening, using Q-switched high power lasers is reviewed and the influence of processing parameters on the laser-induced shock waves in metal components are discussed and analyzed.
Journal ArticleDOI
Grain refinement mechanism of multiple laser shock processing impacts on ANSI 304 stainless steel
Jin Zhon Lu,Kaiyu Luo,Yong Kang Zhang,Sun Guifang,Y.Y. Gu,Jianzhong Zhou,Xu Dong Ren,Xian-Cheng Zhang,Ling Feng Zhang,K.M. Chen,C.Y. Cui,Y.F. Jiang,A.X. Feng,Lai-Chang Zhang +13 more
TL;DR: In this article, the micro-structural evolution and grain refinement in ANSI 304 stainless steel subjected to multiple laser shock processing (LSP) impacts were investigated by means of cross-sectional optical microscopy and transmission electron microscopy observations.
Journal ArticleDOI
Retardation of crack initiation and growth in austenitic stainless steels by laser peening without protective coating
TL;DR: In this paper, laser peening without protective coating (LPPC) has been applied to water-immersed SUS304 (Type 304) and SUS316L (Type 316L) austenitic stainless steels.