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本文研究了氢对不锈钢堆焊层熔合区的断裂韧性的影响作用。发现不锈钢堆焊层熔合区的断裂韧性随充氢时间的增加而下降。结果表明氢是引起加氢反应器不锈钢堆焊层剥离的主要因素。
In this paper, the effect of hydrogen on the fracture toughness of the weld zone of stainless steel surfacing layer was studied. Found that the fracture toughness of the weld zone of stainless steel overlay decreases with the increase of hydrogen charging time. The results show that hydrogen is the main factor that causes the stainless steel overlay of hydrogenation reactor to peel off.