Microstructurally-Inspired Strategies to Print Tantalum and Tantalum-Tungsten Alloys

Technical Report · Fri Jul 15 04:00:00 EDT 2022

DOI:https://doi.org/10.2172/1876679· OSTI ID:1876679

Lew, Adrian J. ^[1]; Cai, Wei ^[1]; McKeown, J. T. ^[2]

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1. Stanford Univ., CA (United States)
2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

The goal of this project is to investigate strategies to print tantalum and tantalumtungsten alloys, which are notoriously difficult to print with consistent results because of the sensitivity of the properties to small concentrations of interstitial impurities (particularly oxygen) and microstructure, and hence to processing conditions. In direct metal laser sintering (DMLS) Ta, a strong dependence of porosity, grain morphology and texture on processing conditions was found.

• Research Organization: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA)
• DOE Contract Number: AC52-07NA27344
• OSTI ID: 1876679
• Report Number(s): LLNL-SR-837505; 1057305
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE