Chattoraj, I and Kumar, A and Das, Swapan K and Tarafder, Mita and Tarafder, S (2003) Factors influencing the extent of hydrogenenhanced brittle cracking in a Cu-strengthened HSLA steel during monotonic loading. Zeitschrift Fur Metallkunde , 94 (11). pp. 1228-1233.
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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.
|Uncontrolled Keywords:||hydrogen embrittlement; concentration; diffusivity; hydrostatic stress; triaxiality; HSLA steel|
|Divisions:||Corrosion and Surface Engineering|
Business Development and Monitoring
Material Science and Technology
|Deposited By:||Sahu A K|
|Deposited On:||19 Jul 2011 10:25|
|Last Modified:||14 Dec 2011 12:26|
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