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By Jyotsna Dutta Majumdar, Indranil Manna

Laser assisted fabrication includes shaping of fabrics utilizing laser as a resource of warmth. it may be completed by way of removing of fabrics (laser assisted slicing, drilling, etc.), deformation (bending, extrusion), becoming a member of (welding, soldering) and addition of fabrics (surface cladding or direct laser cladding). This e-book on ´Laser assisted Fabrication’ is aimed toward constructing in-depth engineering ideas on a number of laser assisted macro and micro-fabrication recommendations with the point of interest on software and a evaluate of the engineering heritage of alternative micro/macro-fabrication recommendations, thermal heritage of the handled quarter and microstructural improvement and evolution of houses of the handled zone.

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The wavelengths of the presently available lasers cover a wide spectral range from the far infrared to the soft X-ray. 2 Principle, Type, and Application of Laser Laser comprises three principal components, namely, a gain medium, a device for exciting the gain medium, and an optical delivery/feedback system. Additional provisions of cooling the mirrors, guiding the beam, and manipulating the target are necessary to facilitate material processing. 1 schematically shows the operating principle of a CO2 laser.

1 Introduction to Laser-Assisted Fabrication of Materials 11 Fig. 4 Application spectrum of laser for the benefit of mankind [2] Accordingly, a host of lasers capable of delivering a wide variety of wavelength, energy, temporal/spectral distribution, and efficiency have been developed over the past several decades [1–3]. 5 Laser Assisted Fabrication of Engineering Materials The increasing demand for laser in materials fabrication can be attributed to several unique advantages like fast processing speed, complete automation worthiness, noncontact processing, elimination of subsequent finishing operation, reduced processing or operational cost, improved product quality, greater material utilization, and minimum heat affected zone [1–3].

The injection molding machine used in this study was a metal powder injector with precise temperature control. 1%). 9 Mg/m3 . The selective cladding process was employed to build up the material layer-by-layer, and the milling operation was employed to level the top surface of the clad to increase the accumulation of powder and accurately control the clad height. Similarly, fabrication of a 3-D structure using micro-electro-discharge machining and laser assembly and application of laser welding of wire, subsequent deposition, and milling for rapid prototyping were discussed by Kuo et al.

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