Fatigue of vanadium--hydrogen alloys

descriptionPublicationkeyboard_double_arrow_right Report , Other literature type 15 Aug 1975Publisher:Office of Scientific and Technical Information (OSTI)

Authors: K. Lee; N. Stoloff;

doi: 10.2172/7349482

Fatigue of vanadium--hydrogen alloys

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Abstract

Hydrogen contents near and above the room temperature solubility limit increase the high cycle fatigue life but decrease low cycle life of polycrystalline vanadium. Changes in endurance limit with hydrides may be a consequence of decreased cyclic strain hardening coefficient, n'. 132 ppM hydrogen in solution has only a slightly beneficial effect on stress controlled fatigue life and essentially no effect on low cycle fatigue life. Unalloyed vanadium exhibits profuse striations, while hydrides produce cleavage cracks in fatigued samples. 10 fig. (auth)

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