Failure Analysis of Differential Pressure Transmitter Impulse Pipe in High Sulfur Purification Device

Xiao Chen; Zheng Zhu; Yan Lin Wang; Xiao Lu Pang; Ai Xia Pei; Li Sheng Zhang; Ke Wei Gao; Zhi Xin Wang; Alex A. Volinsky

doi:10.4028/www.scientific.net/AMM.668-669.102

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 668-669Failure Analysis of Differential Pressure...

Failure Analysis of Differential Pressure Transmitter Impulse Pipe in High Sulfur Purification Device

Abstract:

In this paper, metallographic examination, visual examination and scanning electron microscopy were used to analyze the perforation failure of the differential pressure transmitter impulse pipe. Macrostructure and microstructure of the hole, corrosion characteristics, and corrosion products were studied. Combined with the service conditions of natural gas pipe, relationship between the pipe material quality and the formation process of the perforation failure was determined utilizing fracture mechanics and corrosion analysis. The perforation failure may be caused by the defects and stress corrosion.

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Periodical:

Applied Mechanics and Materials (Volumes 668-669)

Pages:

102-106

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.668-669.102

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Online since:

October 2014

Authors:

Xiao Chen*, Zheng Zhu, Yan Lin Wang, Xiao Lu Pang, Ai Xia Pei, Li Sheng Zhang, Ke Wei Gao, Zhi Xin Wang, Alex A. Volinsky

Keywords:

316 Stainless Steel, Failure Analysis, Impulse Pipe, Perforation, Stress Corrosion

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* - Corresponding Author

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