Fracture analysis of the circulating pump bolts

Fracture analysis of the circulating pump bolts

The microstructure, micrograph of the fracture sections and the alloy elements distribution of the fractured flange-connecting bolts of 3# circulating pump in a power plant were analyzed by the scanning electron microscopy, the optical microscopy and the electron probe microanalysis. The results sho...

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Main Authors: Jiang Chengjun, Wang Wei, Zou Xiaohui, Wang Jifeng
Format: Article
Language:English
Published: EDP Sciences 2020-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2020/73/e3sconf_acic2020_02017.pdf
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spelling doaj-d2a6c4bc9672458c9df17c0387e8a90b2021-04-02T16:20:09ZengEDP SciencesE3S Web of Conferences2267-12422020-01-012130201710.1051/e3sconf/202021302017e3sconf_acic2020_02017Fracture analysis of the circulating pump boltsJiang Chengjun0Wang Wei1Zou Xiaohui2Wang Jifeng3Shanghai Institute of Special Equipment Inspection & Technical ResearchShanghai Institute of Special Equipment Inspection & Technical ResearchShanghai Space Propulsion Technology Research InstituteShanghai Institute of Special Equipment Inspection & Technical ResearchThe microstructure, micrograph of the fracture sections and the alloy elements distribution of the fractured flange-connecting bolts of 3# circulating pump in a power plant were analyzed by the scanning electron microscopy, the optical microscopy and the electron probe microanalysis. The results showed that the failed bolts’ material is not the design material, and failure of the bolts is due to the stress corrosion crack propagation of the bolts’ austenitic material by chloride ions in seawater.https://www.e3s-conferences.org/articles/e3sconf/pdf/2020/73/e3sconf_acic2020_02017.pdf
collection DOAJ
language English
format Article
sources DOAJ
author Jiang Chengjun
Wang Wei
Zou Xiaohui
Wang Jifeng
spellingShingle Jiang Chengjun
Wang Wei
Zou Xiaohui
Wang Jifeng
Fracture analysis of the circulating pump bolts
E3S Web of Conferences
author_facet Jiang Chengjun
Wang Wei
Zou Xiaohui
Wang Jifeng
author_sort Jiang Chengjun
title Fracture analysis of the circulating pump bolts
title_short Fracture analysis of the circulating pump bolts
title_full Fracture analysis of the circulating pump bolts
title_fullStr Fracture analysis of the circulating pump bolts
title_full_unstemmed Fracture analysis of the circulating pump bolts
title_sort fracture analysis of the circulating pump bolts
publisher EDP Sciences
series E3S Web of Conferences
issn 2267-1242
publishDate 2020-01-01
description The microstructure, micrograph of the fracture sections and the alloy elements distribution of the fractured flange-connecting bolts of 3# circulating pump in a power plant were analyzed by the scanning electron microscopy, the optical microscopy and the electron probe microanalysis. The results showed that the failed bolts’ material is not the design material, and failure of the bolts is due to the stress corrosion crack propagation of the bolts’ austenitic material by chloride ions in seawater.
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2020/73/e3sconf_acic2020_02017.pdf
work_keys_str_mv AT jiangchengjun fractureanalysisofthecirculatingpumpbolts
AT wangwei fractureanalysisofthecirculatingpumpbolts
AT zouxiaohui fractureanalysisofthecirculatingpumpbolts
AT wangjifeng fractureanalysisofthecirculatingpumpbolts
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