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金属学报  1993 

304奥氏体钢的高温高压氢腐蚀

, PP. 73-76

Keywords: 氢蚀,304奥氏体钢,CH_4气泡,贫Cr区

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Abstract:

定氢分析和扫描电镜观察证实在450℃和5MPa氢气中服役20000h的304奥氏体钢发生了氢蚀透射电镜分析表明,氢蚀原因是Cr_(23)C_6碳化物存在实验和热力学分析都表明,长大期内的CH_4气泡周围Cr并未贫化

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