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长期运行X20CrMoV12.1钢管材的性能劣化及其表征

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摘要 对上海某电厂X20CrMoV12.1钢主蒸汽管道经16×104h运行后的力学性能及其显微组织进行了表征和评价.试验结果表明,管材的冲击性能下降明显,常温下呈脆性状态.试样的断口分析和显微结构表征进一步显示管材组织劣化显著、蠕变损伤特征明显、晶界碳化物球化严重以及晶内粗大的碳化物沉淀生成.
出处 《理化检验(物理分册)》 CAS 2005年第z1期69-72,共4页 Physical Testing and Chemical Analysis(Part A:Physical Testing)
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参考文献6

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