Shock-Induced Phase-Transition Pressures in Fe–Cr and Fe–Cr–Ni Alloys

The variation of shock-induced phase-transition pressure with alloy composition has been observed for several Fe–Cr and Fe–Cr–Ni alloys through use of the inclined-mirror technique. It was found that transition pressures for Fe–Cr alloys varied continuously from the known 130-kbar value for pure iro...

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Bibliographic Details
Published in:Journal of applied physics 1970-05, Vol.41 (6), p.2443-2446
Main Authors: Gust, W. H., Royce, E. B.
Format: Article
Language:English
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Summary:The variation of shock-induced phase-transition pressure with alloy composition has been observed for several Fe–Cr and Fe–Cr–Ni alloys through use of the inclined-mirror technique. It was found that transition pressures for Fe–Cr alloys varied continuously from the known 130-kbar value for pure iron to 230 kbar for 30% Cr content. Alloys of the Fe–Cr–8% Ni series exhibited almost linear decrease in transition pressure from 120 to 80 kbar as Cr was increased from zero to 18%; no transition was observed for an 8% Ni–22% Cr alloy up to 124-kbar. Further systematic decreases in phase-transition pressures were observed for Fe–Cr–12% Ni and Fe–Cr–16% Ni alloys.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1659241