High-strain-rate, high-temperature biaxial testing of DOP-26 iridium

Technical Report · Sun May 01 00:00:00 EDT 1988

DOI:https://doi.org/10.2172/5071185· OSTI ID:5071185

George, T G

High-strain-rate biaxial punch tests were performed on DOP-26 (Ir-0.3 wt.% tungsten) iridium-alloy disc given annealing and aging heat treatments. Test temperatures ranged between 600 and 1440/degree/C, and punch velocity was held constant at 45 m/s. Three types of samples were evaluated: Z-batch old-process discs, B-batch old-process discs, and B-batch new-process discs. The results indicate that batch-to-batch variations in ductility are significant and that new-process iridium is slightly more ductile than old-process material. 12 refs., 43 figs., 26 tabs.

• Research Organization: Los Alamos National Lab., NM (USA)
• DOE Contract Number: W-7405-ENG-36
• OSTI ID: 5071185
• Report Number(s): LA-11065; ON: DE88010471
• Country of Publication: United States
• Language: English

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