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Laser shocking nano-crystallization and high-temperature modification technology

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  • 131 Seiten
  • 5 Lesestunden

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This book presents foundational research on nano-crystallization, high-temperature modification, micro-structure evolution, and plastic deformation induced by laser shock processing (LSP). It focuses on heat-resistant steel, aluminum alloy, titanium alloys, and nickel-based alloys, providing valuable insights into the industrial applications of LSP technology. Key topics include the formation mechanism and productivity enhancement of nano-crystalline diamond through laser processing, as well as the surface integrity and fatigue lives of various alloys post-LSP under different processing parameters. The analysis covers tensile properties, fractural morphology at varying temperatures, strain rates, and grain refinement mechanisms related to micro-structure evolution. Additionally, it examines the effects of heating temperature and exposure time on stress thermal relaxation, and how compressive stress influences the stress intensity factor of hole-edge cracks under high strain rate LSP. A novel statistical data model for fatigue crack growth is introduced, considering the impact of fracture growth on reliability and confidence levels. This work is aimed at researchers, engineers, and postgraduates in nanotechnology and micro-engineering, particularly those interested in material strengthening, surface integrity, and fatigue life.

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Laser shocking nano-crystallization and high-temperature modification technology, Xudong Ren

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Erscheinungsdatum
2015
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(Hardcover)
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