Use of High-Pressure Heat Treatment (HPHT™) for L-PBF F357

Chad Beamer, Andrew Wessman, Donald Godfrey

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Recent advancements in hot isostatic pressing (HIP) equipment now offer the ability to integrate HIP and heat treatment in the HIP furnace with the aid of controllable high-speed cooling and in-HIP quenching. This approach not only offers improvement in productivity but provides a path to prevent anomalies during heat treatment including thermally induced porosity (TIP) and part quench cracking or distortion. This manuscript will cover the approach of High Pressure Heat Treatment (HPHTTM) applied to SLM Solutions laser powder bed fusion (L-PBF) printed high strength aluminum alloy F357. Microstructure, tensile properties, and part distortion are evaluated. The results capture a post process method making it possible to prevent hydrogen blistering, mitigate defects present in the L-PBF material, offer strength properties exceeding that of MMPDS cast properties, and minimize geometric distortion of complex part geometries.

Original languageEnglish (US)
Title of host publicationHot Isostatic Pressing – HIP 2022
EditorsBrian Welk, Victor Samarov, Cliff Orcutt, David Gandy, Hamish Fraser
PublisherAssociation of American Publishers
Pages55-60
Number of pages6
ISBN (Print)9781644902820
DOIs
StatePublished - 2023
Externally publishedYes
Event13th International Conference on Hot Isostatic Pressing, HIP 2022 - Columbus, United States
Duration: Sep 11 2022Sep 14 2022

Publication series

NameMaterials Research Proceedings
Volume38
ISSN (Print)2474-3941
ISSN (Electronic)2474-395X

Conference

Conference13th International Conference on Hot Isostatic Pressing, HIP 2022
Country/TerritoryUnited States
CityColumbus
Period9/11/229/14/22

Keywords

  • Additive Manufacturing
  • Distortion
  • F357
  • HIP
  • HPHT
  • High Pressure Heat Treatment
  • High Strength Aluminum Alloys
  • Hot Isostatic Pressing
  • Hydrogen Blistering
  • URQ
  • Uniform Rapid Quenching

ASJC Scopus subject areas

  • General Materials Science

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