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Micro Scale Laser Shock Processing of Metallic Components
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Laser shock processing of copper using focused laser beam size about ten microns is investigated for its feasibility and capability to impart desirable residual stress distributions into the ...
Microscale Laser Shock Peening of Thin Films, Part 2: High Spatial Resolution Material Characterization
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Microscale Laser Shock Peening (LSP) is a technique that can be potentially applied to manipulate the residual stress distributions in metal film structures and thus improve the reliability of ...
Microscale Laser Shock Peening of Thin Films, Part 1: Experiment, Modeling and Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Microscale Laser Shock Peening (LSP), also known as Laser Shock Processing, is a technique that can be potentially applied to manipulate residual stress distributions in metal film structures ...
Effect of Healing Conditions on Fatigue-Healing of Asphalt Binder and Asphalt Mixture
Publisher: ASCE
Abstract: To study the effects that healing conditions have on the fatigue-healing properties of asphalt materials, we conducted a fatigue-healing-fatigue test on asphalt materials using a dynamic shear rheometer and four-point ...
Multiobjective Optimization Model to Coordinate between Segment and Network Level for Managing Pavement and Sustainability
Publisher: ASCE
Abstract: Traditionally, maintenance optimization for large-scale pavement networks usually has been ignored. This study developed a new multiobjective segment-linked decision-making model (MOSL-DM) integrating five modules to ...
Research on a Laboratory Technique to Prepare a Rejuvenating Composite Seal and Test Its Long-Term Water Stability
Publisher: ASCE
Abstract: A rejuvenating composite seal (RCS) consists of a chip seal and a micro-surfacing (MS). There are two reasons for RCS’s poor application effect in China and less frequent application than that of MS: first, the material ...
Effects of Scanning Schemes on Laser Tube Bending
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Four laser scanning schemes for tube bending, including point-source circumferential scanning, pulsed line-source axial procession, and line-source axial scanning without and with water cooling are ...
Laser Forming of Varying Thickness Plate—Part I: Process Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High-intensity laser beams can be used to heat and bend metal plates, but the mechanisms of the laser forming (LF) process are not well understood or precisely controllable. The objective of ...
Laser Forming of Varying Thickness Plate—Part II: Process Synthesis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Laser forming (LF) is a non-traditional forming process that does not require hard tooling or external forces and, hence, may dramatically increase process flexibility and reduce the cost of ...