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The results showed that strength, ductility and fracture toughness were lowered caused by hydrogen attack for Cr-Mo steel. The fracture mechanism was changed from dimple fracture surface to embri-ttlement by hydrogen attack.
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结果表明:Cr-Mo钢已经发生了氢腐蚀;氢蚀使Cr-Mo钢强度、塑性和断裂韧性均有所降低;也使断裂机制由韧窝型转变为解理脆性.
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