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高温液下泵出液管失效分析

Release Time:2019-03-11  Hits:

Indexed by: Journal Article

Date of Publication: 2015-02-28

Journal: 水泵技术

Included Journals: PKU

Issue: 01

Page Number: 41-44

ISSN: 1002-7424

Key Words: 化工泵;液下泵;出液管;哈氏C合金;熔融烧碱;晶间腐蚀

Abstract: 某公司生产的高温液下泵供输送熔融烧碱,工作温度340~350℃,在此高温下运转不到2天,其出液管便发生了失效。通过宏观检查、金相显微检查、电子扫描显微镜观察及能谱仪分析等手段对高温液下泵的出液管进行失效分析。结果表明,该出液管是由于材质不合格,从而因晶间腐蚀导致的失效。

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