The effect of aging on hydrogen trapping in precipitation-hardened alloys
Source abstract
Abstract
Abstract Hydrogen trapping in two precipitation-hardened alloys — 18Ni (250) maraging steel and alloy X-750 — was studied using a potentiostatic pulse technique. Irreversible trapping constants ( k ) and hydrogen entry fluxes were determined for these alloys in 1 mol l −1 acetic acid/1 mol l −1 sodium acetate. The values of k for stress-equalized and stress-equalized/aged alloy X-750 were higher than those for three other hardened Ni-base alloys (625, 718, and 925) but were considerably lower than the value for the aged 18Ni steel. A correlation was found between k and the observed resistance to hydrogen embrittlement for three groups of aged alloys: X-750 and 718; 18Ni (250) and 718; and 18Ni (250), 18Ni (300), and 4340 steels.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Hydrogen embrittlement and corrosion behaviors in metals · Corrosion Behavior and Inhibition · Nuclear Materials and Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (52)
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