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Numerical Analysis of Mechanical Effects of Laser Shock Peening
Laser shock peening consists of 3 stages. The first stage is the light-wave conversion, which consists of the conversion of the laser beam into a...
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Characteristics and Development Status of Laser Shock Peening
The absorption layer on the metal surface absorbs the laser energy and explodes and evaporates, producing plasma with high temperature (>10000 K) and...
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Evaluations of the Strengthening Effect of the Metals with Laser Shock Peening
Laser shock peening induced high-pressure shock waves into the interior of the target material, causing severe plastic deformation on the surface of...
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Structural and Fatigue Features of Ti64 Alloy after Different Laser Shock Peening
To select the optimal treatment mode of Ti64 alloy specimens with a stress concentrator, several laser shock peening (LSP) modes are studied. The...
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Stability Factors and Safety Protection of Laser Shock Peening
With the development of laser device technology, the frequency of intense pulse laser can reach 1 Hz or even more than 10 Hz, and the processing...
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Effect of Preliminary Heat Treatment on the Formation of Structure and Residual Stresses in the AMg6 Alloy at Laser Shock Peening Without Coating
We consider the effect of laser shock peening without coating (LSPwC) on the structure and stress state of the AMg6 Aluminum alloy with a thickness...
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Laser Shock Hardening Industrial Application System
Laser shock peening requires high peak power of laser output, and there should be a power density of GW/cm2 on a large enough spot. Almost all of the...
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INFLUENCE OF LASER SHOCK PEENING ON LOW- AND HIGH-CYCLE FATIGUE OF AN OT4-0 TITANIUM ALLOY
AbstractEffect of laser shock peening on the fatigue life of an OT4-0 titanium alloy is studied. Laser peening is carried out using a Q-switched...
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Numerical analysis on residual stress hole generation in laser shock peening
Laser shock peening (LSP) is a surface treatment process in which compressive residual stress is induced on the material. At higher peak pressure...
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Quality Control Technology of Structures with Laser Shock Peening
The main purpose of LSP of blades is to improve the fatigue strength, thereby extending the service life.
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Surface characteristics and wear resistance of GCr15 bearing steel by cryogenic treatment-laser peening
The generator bearing is in harsh service conditions, such as dry friction, sediment and rain, and there are problems of wear, fatigue and corrosion...
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Strengthening Processes and Effect Evaluation of Welded Structures with Laser Shock Peening
Early research on LSP was mainly carried out on aluminum alloy welded joints, but there has been no substantial application.
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Microstructure, residual stress, and nanoindentation properties of GCr15-bearing steel by cryogenic treatment and laser-peening composite strengthening
GCr15-bearing steel is widely used in generator bearings. To improve its mechanical properties, the cryogenic treatment and laser-peening (CT + LP)...
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Strengthening Processes and Effect Evaluations of Airplane Structures with Laser Shock Peening
The research on LSP began in the 1970s when the main purpose was to improve the fatigue life of aircraft aluminum alloy structures.
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Preparation of 2024-T351 aluminum alloy super-hydrophobic surface by laser shock/etching
To improve the mechanical properties of the material after laser etching to prepare superhydrophobic surfaces, laser shock peening/laser etching...
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Investigation of the effect of adsorbent layer on the laser shock process of Ti-43Al-5 V-4Nb
The aim of this study is to improve the properties of titanium aluminide alloys as one of the materials whose application is growing rapidly due to...
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Melting of Titanium by a Shock Wave Generated by an Intense Femtosecond Laser Pulse
Laser shock peening with ultrashort laser pulses has been studied by hydrodynamic and atomistic simulations, as well as experimentally. It has been...
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Laser and Electron-Beam Surface Processing on NiTi Shape Memory Alloys: A Review
The review summarizes the progress achieved in the surface modification of NiTi shape memory alloys (SMAs) with laser and electron beams in terms of...
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Characteristics of Nanosecond Laser-Induced Underwater Acoustic Signals Across the Water–Air Interface
AbstractThe temporal and spectral characteristics of nanosecond laser-induced underwater acoustic shockwave for varying input laser energies are...
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Investigation the effect of laser ablation parameters in a liquid in order to reduce the pulse energy during laser shock peening
The features of laser shock peening technology was studied in relation to the physical processes occurring during and after laser treatment. The...
