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Author:

窦磊 (窦磊.) | 王晶 (王晶.) | 姜少磊 (姜少磊.)

Abstract:

4130X钢是压缩天然气瓶常用的材料。由于天然气气体中含有硫化氢等腐蚀介质,会对气瓶材料断裂性能产生影响。本文以4130X钢作为研究对象,探究采用不同的腐蚀方式对该材料的断裂韧性变化规律。通过实验表明,相较于空气中材料的断裂韧性,硫化氢预腐蚀后断裂韧性降低了53.4%,一直处于腐蚀环境中的材料断裂韧性至少降低78.5%。不同浓度硫化氢溶液中(200ppm、800ppm、1600ppm)的应力腐蚀实验研究标明,腐蚀介质浓度分别相差4倍和8倍时,对应的材料断裂韧性分别降低了11.9%、8.9%,表明临界应力强度因子数值与腐蚀溶液浓度呈非线性关系。

Keyword:

断裂韧性 4130X钢 硫化氢腐蚀

Author Community:

  • [ 1 ] 北京工业大学

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Year: 2021

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: 10

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