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Experimental Laser Powder Bed Fusion System For Difficult To Process Metallic Materials, Syed Zia Uddin
Experimental Laser Powder Bed Fusion System For Difficult To Process Metallic Materials, Syed Zia Uddin
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The focus of this research was twofold, such as development of defect free fabrication parameters for laser powder bed fusion (LPBF) processing of crack prone or difficult to process metallic materials, and study of the temperature dependence of emissivity for some commonly used metal alloy powders in LPBF process. The later objective extends to the implementation of multiwavelength (MW) pyrometer technology for in situ true surface temperature measurement in LPBF process. LPBF is an additive manufacturing (AM) process capable of layer-by-layer manufacturing by successive laser melting of each layer according to CAD data. AM manufacturing has the inherent advantages of …