On the formation of “Fish-scale” morphology with curved grain interfacial microstructures during selective laser melting of dissimilar alloys

• Main Authors: Yao, Liming, Huang, Sheng, Ramamurty, Upadrasta, Xiao, Zhongmin
• Other Authors: School of Mechanical and Aerospace Engineering
• Format: Article
• Language: English
• Published: 2022
• Subjects: Engineering::Mechanical engineering; Additive Manufacturing; Laser Deposition
• Online Access: https://hdl.handle.net/10356/160459
• Institution: Nanyang Technological University

For successful fabrication of components using additive manufacturing techniques such as powder bed fusion (PBF), directed energy deposition, and laser cladding of an alloy on to a substrate of a dissimilar one, an interpenetrating interface morphology is essential for a good interface strength. The...