Method for evaluating the hydrogen content in a steel sheet
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United States of America
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Jan 30, 2025
app pub date -
Dec 6, 2022
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Dec 6, 2022
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Abstract
A method for evaluating the hydrogen content in a steel sheet while being submitted to an annealing process, including the following steps: estimating the microstructure of the steel sheet according to the temperature curve, computing the solubility of the hydrogen CH, computing the volume concentration of trapped hydrogen in dislocations CT and the volume concentration of hydrogen in interstitial sites of the crystal lattice CL, calculating the hydrogen content Ctotal=CL+CT at each time step of the annealing process and outputting the hydrogen content Ctotal at each time step to a user.
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