Abstract
Abstract The effect of hydrogen in solid solution on the strength and ductility of a V-15at.%Cr-5at.%Ti alloy was investigated from 78 to 450 K. The non-hydrogenated alloy exhibited a ductile-to-brittle transition at a low temperature (210 K) which scanning Auger microprobe analyses indicated was due to segregation of sulfur and titanium to the grain boundaries. The addition of only 0.1 at.% H raised the ductile-to-brittle transition temperature above room temperature. Hydrogen produced little, if any, strengthening in this alloy. A comparison of hydrogen effects on ductility and strengthening between this alloy and V-20at.%Ti and V-20at.%Cr is presented.
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