This article focuses on various vacuum heat treating processes for additively manufactured parts, namely annealing and stress relieving, solid-solution annealing, and solution treating and aging. It addresses several practical concerns involved in using vacuum heat treatment, including temperature measurement, unvented cavities, loose powder, and direct contact of metals in the high-temperature vacuum. The article provides a short discussion on sintering and evaporation of metals in vacuum furnaces.
Virginia Osterman, Vacuum Heat Treating Additively Manufactured Parts, Additive Manufacturing Processes, Vol 24, ASM Handbook, Edited By David L. Bourell, William Frazier, Howard Kuhn, Mohsen Seifi, ASM International, 2020, p 324–330, https://doi.org/10.31399/asm.hb.v24.a0006561
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