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Laser processing of solid materials has been commonly performed in gas ambient. Having the workpiece immersed into liquid, having a liquid film on it, or soaking the material with liquid gives several advantages such as removal of the debris, lowering the heat load on the workpiece, and confining the vapour and plasma, resulting in higher shock pressure on the surface. Introduced in the 1980s, neutral liquids assisted laser processing (LALP) has proved to be advantageous in the cutting of heat-sensitive materials, shock peening of machine parts, cleaning of surfaces, fabrication of micro-o
Lasers --- Laser peening. --- Industrial applications. --- Laser shock peening --- Laser shock processing --- LSP (Laser shock peening) --- Shock peening, Laser --- Shock processing, Laser --- Metallurgy --- Peening (Metal-work) --- Laser use in
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Laser shock processing (LSP) is a new and promising surface treatment technique for improving the fatigue durability, corrosion, wear resistance and other mechanical properties of metals and alloys. During LSP, the generated shock wave can introduce a deep compressive residual stress into the material, due to its high-pressure (GPa-TPa), ultra-fast (several tens nanoseconds), ultra-high strain-rate and high-energy. The overall properties and behavior of metal materials subjected to LSP were significantly improved because a refined surface layer was successfully obtained. Nevertheless, up to now, a clear scenery between micro-structure and macro-property of the refined surface layer, especially formation of sub-micrometer grains from coarse grains during severe plastic deformation, is still pending. Therefore, the basic studies of the underlying mechanism for grain refinement by ultra-high strain-rate presented in this book becomes more and more crucial.
Laser shock processing. --- Lasers -- Congresses. --- Quantum electronics -- Congresses. --- Chemical & Materials Engineering --- Engineering & Applied Sciences --- Materials Science --- Laser peening. --- Metallurgy --- Laser use in. --- Laser shock peening --- Laser shock processing --- LSP (Laser shock peening) --- Shock peening, Laser --- Shock processing, Laser --- Materials. --- Structural control (Engineering). --- Metallic Materials. --- Operating Procedures, Materials Treatment. --- Applied and Technical Physics. --- Lasers --- Metals --- Peening (Metal-work) --- Effect of lasers on --- Laser use in --- Manufactures. --- Manufacturing, Machines, Tools, Processes. --- Manufactured goods --- Manufactured products --- Products --- Products, Manufactured --- Commercial products --- Manufacturing industries --- Engineering --- Engineering materials --- Industrial materials --- Engineering design --- Manufacturing processes --- Materials --- Metals. --- Physics. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Metallic elements --- Chemical elements --- Ores
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This book introduces the fundamentals and principles of laser shock peening (LSP) for aeronautical materials. It focuses on the innovation in both theory and method related to LSP-induced gradient structures in titanium alloys and Ni-based alloys which have been commonly used in aircraft industries. The main contents of the book include: the characteristics of laser shock wave, the formation mechanism of gradient structures and the strengthening-toughing mechanism by gradient structures. The research has accumulated a large amount of experimental data, which has proven the significant effectiveness of LSP on the improvement of the fatigue performance of metal parts, and related findings have been successfully applied in aerospace field. This book could be used by the researchers who work in the field of LSP, mechanical strength, machine manufacturing and surface engineering, as well as who major in laser shock wave and materials science.
Structural materials. --- Chemical engineering. --- Lasers. --- Photonics. --- Aerospace engineering. --- Astronautics. --- Structural Materials. --- Industrial Chemistry/Chemical Engineering. --- Optics, Lasers, Photonics, Optical Devices. --- Aerospace Technology and Astronautics. --- Space sciences --- Aeronautics --- Astrodynamics --- Space flight --- Space vehicles --- Aeronautical engineering --- Astronautics --- Engineering --- New optics --- Optics --- Light amplification by stimulated emission of radiation --- Masers, Optical --- Optical masers --- Light amplifiers --- Light sources --- Optoelectronic devices --- Nonlinear optics --- Optical parametric oscillators --- Chemistry, Industrial --- Engineering, Chemical --- Industrial chemistry --- Chemistry, Technical --- Metallurgy --- Architectural materials --- Architecture --- Building --- Building supplies --- Buildings --- Construction materials --- Structural materials --- Materials --- Laser peening. --- Airplanes --- Titanium alloys. --- Materials. --- Alloys --- Laser shock peening --- Laser shock processing --- LSP (Laser shock peening) --- Shock peening, Laser --- Shock processing, Laser --- Peening (Metal-work) --- Laser use in
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