Journal ArticleDOI
The compound process of laser shock peening and vibratory finishing and its effect on fatigue strength of Ti-3.5Mo-6.5Al-1.5Zr-0.25Si titanium alloy
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In this paper, the best performing sequence of the compound process was ascertained to be LSP+vibratory finishing, and the surface microstructure was characterized after different surface treatments.About:
This article is published in Journal of Alloys and Compounds.The article was published on 2019-04-30. It has received 38 citations till now. The article focuses on the topics: Vibratory finishing & Peening.read more
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Achieving high strength and ductility in selective laser melting Ti-6Al-4V alloy by laser shock peening
TL;DR: In this article , the influence of laser shock peening on the residual stress state, microstructures and mechanical properties of the SLMed Ti-6Al-4V alloy fabricated by selective laser melting (SLM) were investigated.
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Improving the strength and ductility of laser directed energy deposited CrMnFeCoNi high-entropy alloy by laser shock peening
TL;DR: In this paper, laser shock peening was employed to change the stress state and microstructure of the surface layer of CrMnFeCoNi HEA fabricated by laser directed energy deposition (LDED) and improve its mechanical properties.
Journal ArticleDOI
Microstructure and mechanical properties of laser shock peened 38CrSi steel
Hepeng Zhang,Zhongyi Cai,Zhandong Wan,Peng Peng,Hongqiang Zhang,Rujian Sun,Zhigang Che,Chao Guo,Bo Li,Wei Guo +9 more
TL;DR: In this paper, the effects of laser shock peening on the microstructure, microhardness, residual stress, tensile and fatigue properties of 38CrSi steel were investigated.
Journal ArticleDOI
Enhanced extra-long life fatigue resistance of a bimodal titanium alloy by laser shock peening
TL;DR: In this paper, the deformation and compressive residual stress, induced by the laser shock peening (LSP), present gradient distributions along the depth direction, and high-angle grain boundaries (HAGB, >15°) are increased by deformation twins, which are introduced into primary α phases during the plastic deformation.
Journal ArticleDOI
Effect of cryogenic treatment on the microstructure, mechanical properties and finishability of β-TNTZ alloy for orthopedic applications
Sunpreet Singh,Chander Prakash +1 more
TL;DR: In this paper, the nano-finishing of high strength β-type Ti-35Nb-7Ta-5Zr (β-TNTZ) alloy through magnetorheological (MR) fluid assisted magnetic abrasive finishing (MR-MAF) for required orthopedic applications, especially knee and acetabular cup was presented.
References
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Journal ArticleDOI
Physical study of laser-produced plasma in confined geometry
TL;DR: In this article, the authors studied the physical processes involved in laser-produced plasma in confined geometry, and showed that a large fraction of the absorbed laser energy (80% to 90%) is used for the ionization of the medium in these conditions of irradiation.
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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.
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Laser-induced shock compression of monocrystalline copper: characterization and analysis
Marc A. Meyers,Fabienne Grégori,Bimal K. Kad,M. S. Schneider,Daniel H. Kalantar,Bruce Remington,Guruswami Ravichandran,T. R. Boehly,Justin Wark +8 more
TL;DR: In this paper, a method for estimating dislocation densities is proposed, based on nucleation of loops at the shock front and their extension due to residual shear stresses behind the front.
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Laser and shot peening effects on fatigue crack growth in friction stir welded 7075-T7351 aluminum alloy joints
TL;DR: In this article, the influence of shot and laser peening on the fatigue crack growth behavior of friction stir welded (FSW) aluminum alloy (AA) 7075-T7351 sheets was investigated.
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A comprehensive investigation on the effects of laser and shot peening on fatigue crack growth in friction stir welded AA 2195 joints
TL;DR: In this article, the effects of various surface treatment techniques on the fatigue crack growth performance of friction stir welded 2195 aluminum alloy were investigated and the effect of the compressive stresses was deemed responsible for increasing the resistance to fatigue cracks.