Title of article
Hydrogen enhanced fatigue crack growth in an HSLA steel
Author/Authors
Roy، نويسنده , , Arijit and Manna، نويسنده , , I. and Tarafder، نويسنده , , S. and Sivaprasad، نويسنده , , S. and Paswan، نويسنده , , S. and Chattoraj، نويسنده , , I.، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2013
Pages
11
From page
86
To page
96
Abstract
Fatigue crack growth rate (FCGR) for an HSLA steel was studied with in-situ hydrogen charging. The effects of different parameters, like stress intensity range (ΔK), frequency, load ratio (R), stress values and crack length have been investigated. The hydrogen contribution to FCGR decreased with increasing ΔK. FCGR was inversely dependent on frequency. The role of loading strain rate on the hydrogen enhanced FCGR was explained. The effect of load ratio on hydrogen enhanced FCGR was not monotonic. A dependence of FCGR of hydrogenated samples on crack length was observed and explained.
Keywords
steel , hydrogen embrittlement , Fatigue , fracture , Electron microscopy
Journal title
MATERIALS SCIENCE & ENGINEERING: A
Serial Year
2013
Journal title
MATERIALS SCIENCE & ENGINEERING: A
Record number
2174373
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