The Influence of Hydrogen and Chromium on Behavior Mechanic of the Welded Joints


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Abstract


In this present work the effect of hydrogen on the mechanical behavior of the welded joint of two types of steels A42E26 and Z2CN18-10 was studied.  The specimens of the tension test were manufactured in accordance with standard ASTM by machining from plane sheet. Hydrogen was superficially introduced at 50°C by the electrolytic method by using a solution acid 1NH2SO4 with 0.25 g/l As2O3, a platinum anode and a density of current of 100 mA/cm2 for various durations. The mechanical tests were carried out at ambient temperature and in air. With an aim of bringing a reflex ion on the influence of hydrogen and chromium on the mechanical behavior of the welded joints of two types of steels the A42E26 and Z2CN18-10, the experiments were carried out, by simultaneously varying parameters considered to be influential, to lead to the modeling of the maximum loading and Ultimate elongation.
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Keywords


Stainless Steel; Welded Joint; Hydrogen Embrittelment; Design of Experiment

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References


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