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Meeting Additive Manufacturing Benchmarks 2022 (AM-Bench 2022)
Symposium Additive Manufacturing Benchmarks 2022 (AM-Bench 2022)
Presentation Title Experimental Evaluation of Mechanical Properties of Additively Manufactured 17-4 PH Stainless Steel
Author(s) Bijit Kalita, Gaurav Singh, Jayaganthan R.
On-Site Speaker (Planned) Bijit Kalita
Abstract Scope Additive manufacturing (AM) is a novel manufacturing method which provides more freedom in design, manufacturing near net shaped parts as per demand. Among various AM techniques, Laser Powder Bed Fusion (L-PBF) is the most prominent one that provides higher accuracy and powder proficiency in comparison to other methods. Additively manufactured 17-4 PH stainless steel exhibited a dendritic solidification microstructure in the as-built condition. It is widely used as a structural material in marine, aerospace and chemical industries. This study provides an insight into the comparison of the tensile properties between 17-4 PH SS samples processed by L-PBF and wrought 17-4 PH samples. The tests were conducted according to the international standard ASTM E8 and the microstructural studies were also performed. The L-PBF built part revealed superior tensile properties against the wrought sample. Furthermore, the L-PBF processed sample displayed significantly higher ductility and ultimate tensile strength with respect to wrought samples.
Proceedings Inclusion? Undecided

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