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FATIGUE THRESHOLDS AND DUCTILE‐BRITTLE TRANSITIONS IN Ti‐30Mo
Author(s) -
JATAVALLABHULA K.,
GERBERICH W. W.
Publication year - 1981
Publication title -
fatigue and fracture of engineering materials and structures
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.887
H-Index - 84
eISSN - 1460-2695
pISSN - 8756-758X
DOI - 10.1111/j.1460-2695.1981.tb01118.x
Subject(s) - materials science , brittleness , alloy , hydrogen , cleavage (geology) , fracture (geology) , stress (linguistics) , composite material , metallurgy , chemistry , linguistics , philosophy , organic chemistry
— Substantial effects of hydrogen are found on the DBTT and cleavage fracture stress in both cathodically and gas phase charged samples of a BCC Ti alloy. Fatigue thresholds when plotted as a function of temperature exhibit a peak and this peak shifts towards higher temperatures when the hydrogen level is increased. An elastic calculation of static threshold stress intensities using experimentally observed fracture stress parameters show a similar trend to fatigue threshold stress intensities.