Chattoraj, I and Kumar, Anil and Das, Swapan K and Tarafder, Mita and Tarafder, Soumitra (2022) Factors influencing the extent of hydrogen-enhanced brittle cracking in a Cu-strengthened HSLA steel during monotonic loading. International Journal of Materials Research, 94(11) . pp. 1228-1233.
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Abstract
The extent of brittle crack as a function of hydrogen charging conditions was studied for a HSLA steel using circumferentially notched cylindrical tensile samples. Two different notch depths were used. The effect of hydrogen could be well represented by an effective hydrogen potential which was defined using a representative hydrogen concentration and a diffusive time parameter, for relatively faster strain rates. The high triaxiality in deep-notched samples led to the initiation of ductile failure mechanisms overwhelming the brittle cracking process.
| Item Type: | Article |
|---|---|
| Official URL/DOI: | https://10.1515/ijmr-2003-0222 |
| Uncontrolled Keywords: | Hydrogen embrittlement; Concentration; Diffusivity; Hydrostatic stress; Triaxiality; HSLA steel ;numerical-analysis; ductile fracture; strain rate; transport; stress; embrittlement; diffusion; growth; iron |
| Divisions: | Material Science and Technology |
| ID Code: | 8722 |
| Deposited By: | Dr Mita Tarafder |
| Deposited On: | 23 Feb 2022 16:49 |
| Last Modified: | 23 Feb 2022 16:49 |
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