Burst failure analysis of a convection tube

Facai Ren; Jun Si; Jinsha Xu; Xiaoying Tang

doi:10.1117/12.2592707

26 January 2021 Burst failure analysis of a convection tube

Facai Ren, Jun Si, Jinsha Xu, Xiaoying Tang

Proceedings Volume 11767, 2020 International Conference on Optoelectronic Materials and Devices; 117671U (2021) https://doi.org/10.1117/12.2592707
Event: 2020 International Conference on Optoelectronic Materials and Devices, 2020, Guangzhou, China

Abstract

The failure causes of a burst convection tube used in heat recovery steam generator were analyzed by the chemical composition, optical microscope and scanning electron microscope analysis. The results show that the metallographic microstructure of the burst convection tube is ferrite and pearlite. Based on the scanning electron microscopy analysis, the thinning of the burst convection tube wall is caused by erosion. Ultimately, the convection tube bursts due to insufficient strength.

Citation Download Citation

Facai Ren, Jun Si, Jinsha Xu, and Xiaoying Tang "Burst failure analysis of a convection tube", Proc. SPIE 11767, 2020 International Conference on Optoelectronic Materials and Devices, 117671U (26 January 2021); https://doi.org/10.1117/12.2592707

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