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Full Description
This book presents the melt pool monitored-laser additive manufacturing (MPMed-LAM) technology for enhancing forming quality and mechanical performance of key metalic components. Despite progress in metal additive manufacturing (AM) since the 1970s, a large number of challenges remain in synergic controlling both shape and performance due to thermal stress-induced defects and metallurgical flaws. The book reviews key research on melt pool monitoring, forming quality control, microstructure evolution, and mechanical performance in laser additive manufacturing (LAM), providing a foundation for understanding MPMed-LAM of some kinds of metallic components. Divided into four parts, it covers the background, thermal modeling, and detailed analysis of defects, microstructure, dimensional accuracy, corrosion, and mechanical properties of metallic components made via MPMed-LAM. Aimed at professionals in mechanical engineering and materials science-particularly in aero-engine applications, it offers some important insights into the mechanisms and future development potential of this advanced technology.
Contents
General introduction.- Theoretical basis of melt pool monitored assisted-laser additive manufacturing.-Forming quality of 316L SS coatings deposited assisted by melting pool in-situ control.- Effect of melt pool in-situ control on the wear properties of laser directed energy deposition of 316L SS coatings.- Effect of melt pool in-situ control on the tensile properties of laser directed energy deposition of 316L SS coatings.-Effect of melt pool in-situ control on the microstructural evolution of the 316L SS planar thin-walled parts.- Effects of melt pool in-situ control on the corrosion and tensile properties of the 316L SS planar thin-walled parts.- Forming quality of 316L SS curved thin-walled parts deposited by melt pool in-situ control.
