Mechanical Properties and Microstructures of Additively Manufactured 950 Platinum Ruthenium Alloy

Given that additively manufactured (AM) platinum alloys are relatively new to the market, early adopters benefit from increasing data on their material properties. The alloy 95% platinum 5% ruthenium (950 PtRu) is widely used across the United States in cast and fabricated forms, however there is scant data in the literature for AM outputs of this alloy. The present work reports mechanical properties and microstructures for Direct Metal Laser Sintered (DMLS) 950 PtRu in the as-printed and hot isostatic pressed conditions, and further offers comparisons with investment cast samples produced in the same alloy to highlight differences in material properties for each method of manufacture.