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Experimental Study of Water Liquid-Vapor Two-Phase Pressure Drop Across an Array of Staggered Micropin-Fins
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study concerns pressure drop of adiabatic water liquid-vapor two-phase flow across an array of 1950 staggered square micropin-fins having a 200×200 μm cross section by 670 μm height. ...
The Effect of Laser Pulse Duration and Feed Rate on Pulsed Laser Polishing of Microfabricated Nickel Samples
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The objective of this work was to improve our understanding of pulsed laser micropolishing (PLμP) by studying the effects of laser pulse length and feed rate (pulses per millimeter) on surface ...
Examination of Selective Pulsed Laser Micropolishing on Microfabricated Nickel Samples Using Spatial Frequency Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The precision of parts created by microfabrication processes is limited by surface roughness. Therefore, as a means of improving surface roughness, pulsed laser micropolishing on nickel was ...
Experimental Evaluation of the Laser Assisted Machining of Silicon Nitride Ceramics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To assess the feasibility of the laser assisted machining (LAM) process for the machining of difficult-to-machine materials such as structural ceramics, experiments were performed on silicon nitride ...
Laser-Assisted Machining of Magnesia-Partially-Stabilized Zirconia
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Laser-assisted machining (LAM) of magnesia-partially-stabilized zirconia (PSZ) is investigated to determine the effect of heating on machinability, as determined by tool wear, cutting energy, surface ...
Toward Automation of Friction Stir Welding Through Temperature Measurement and Closed-Loop Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The objectives of this work are to determine an accurate temperature feedback strategy and to develop a closed-loop feedback control system for temperature in friction stir welding (FSW). FSW ...
Effect of Compliance and Travel Angle on Friction Stir Welding With Gaps
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an investigation of the effects of friction stir weld tool travel angle and machine compliance on joint efficiency of butt welded 5083-H111 aluminum alloy in the presence ...