Journal ArticleDOI
Laser beam machining—A review
Avanish Kumar Dubey,Vinod Yadava +1 more
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TLDR
The experimental and theoretical studies of LBM show that process performance can be improved considerably by proper selection of laser parameters, material parameters and operating parameters, and the trend for future research is outlined.Abstract:
Laser beam machining (LBM) is one of the most widely used thermal energy based non-contact type advance machining process which can be applied for almost whole range of materials. Laser beam is focussed for melting and vaporizing the unwanted material from the parent material. It is suitable for geometrically complex profile cutting and making miniature holes in sheetmetal. Among various type of lasers used for machining in industries, CO2 and Nd:YAG lasers are most established. In recent years, researchers have explored a number of ways to improve the LBM process performance by analysing the different factors that affect the quality characteristics. The experimental and theoretical studies show that process performance can be improved considerably by proper selection of laser parameters, material parameters and operating parameters. This paper reviews the research work carried out so far in the area of LBM of different materials and shapes. It reports about the experimental and theoretical studies of LBM to improve the process performance. Several modelling and optimization techniques for the determination of optimum laser beam cutting condition have been critically examined. The last part of this paper discusses the LBM developments and outlines the trend for future research.read more
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Journal ArticleDOI
Femtosecond laser micromachining of carbon fiber-reinforced epoxy matrix composites
x3afevn157,x3afevn157 +1 more
TL;DR: In this paper , an unidirectional carbon fiber-reinforced epoxy matrix composites fabricated by compression die molding technique were exposed to femtosecond laser pulses of 1030 nm wavelength, 560 fs duration and a pulse repetition rate of 100 kHz.
Journal ArticleDOI
Influence of Grooved Plate Cross-Sectional Shape on Bending Phenomena in Laser-Quenching Forming Process
TL;DR: The results indicated that the technique prevented bending deformation during the next laser scan and reduced warping by increasing the second moment of area of the entire workpiece.
Dissertation
Influence of Aging and Heat Treating on the Wettability of Stainless Steel Surface
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Journal ArticleDOI
A feasibility study on high-efficient laser cutting of SiC particles reinforced aluminum matrix composite using single-pass strategy
TL;DR: In this paper , a high-power fiber laser was employed to cut 5.0 mm thick SiC particle reinforced aluminum (SiCp/Al) composites, and the effects of laser power, cutting speed and assist gas pressure on surface morphology and defect characteristics were investigated.
References
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TL;DR: This book by a teacher of statistics (as well as a consultant for "experimenters") is a comprehensive study of the philosophical background for the statistical design of experiment.
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Quality Engineering Using Robust Design
TL;DR: This book offers a complete blueprint for structuring projects to achieve rapid completion with high engineering productivity during the research and development phase to ensure that high quality products can be made quickly and at the lowest possible cost.
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Predicting surface roughness in machining: a review
TL;DR: In this article, the authors present the various methodologies and practices that are being employed for the prediction of surface roughness, including machining theory, experimental investigation, designed experiments and artificial intelligence (AI).