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Author:

陕小平 (陕小平.) | 张亦良 (张亦良.) | 程泳梅 (程泳梅.)

Abstract:

本文应用柔度法研究了高压(压缩天然气)气瓶材料4130X钢在硫化氢腐蚀环境(高浓度及中等浓度)中裂纹扩展速率的特性。在对裂纹扩展的监测中采用了计算机实时自动采集、记录方法。研究了在高浓度(饱和硫化氢溶液,浓度大于2000ppm)和中等浓度(200ppm)硫化氢溶液中裂纹扩展速率,给出了两种环境下da/dt同裂纹尖端应力强度因子K的关系曲线。为压缩天然气(CNG)管式拖车4130X钢制容器检测缺陷评定提供了实验依据。

Keyword:

裂纹扩展速率 柔度法 应力强度因子 应力腐蚀

Author Community:

  • [ 1 ] 北京工业大学

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Source :

Year: 2003

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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