ADVANCED MATERIALS & PROCESSES | MARCH 2025 1 1 ADDITIVE MANUFACTURING MARCH 2025 A 3D-printed oak leaf fabricated from alumina forming austenitic stainless steel using a Renishaw AM400 laser powder bed fusion system, by Holden Hyer at Oak Ridge National Laboratory. *Member of ASM International This examination of the spatter particle process in a nickel superalloy using x-ray computed tomography and optical microscopy studies possible causes for the formation of lack of fusion voids and other variations during laser powder bed fusion. RELATING PROCESS ANOMALIES FROM LASER POWDER BED FUSION OF Ni282 TO CREEP DEFORMATION Holden Hyer,* Amanda Heimbrook, Rahul Franklin, Amir Ziabari, and Sebastien Dryepondt* Oak Ridge National Laboratory, Tennessee
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