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Failure analysis of a broken SA564 stainless steel pump shaft

Shafts are rotating elements that are subjected to torsion and bending moments that cause failures at times leading to personal injury, capacity loss, or poor product quality if basic preventive design actions are not taken. Against this background, this paper describes the failure analysis and root...

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Main Authors: Hussain, P.B., Shaik, N.B., Mokhtar, A.A.B., Bakthavatchalam, B., Ahmad, F., Harun, M.S.B.
Format: Article
Published: Inderscience Publishers 2021
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85106860063&doi=10.1504%2fIJMPT.2021.115201&partnerID=40&md5=c6ee19066f0a9914acbedf7c5f32daec
http://eprints.utp.edu.my/23680/
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spelling my.utp.eprints.236802021-08-19T08:20:24Z Failure analysis of a broken SA564 stainless steel pump shaft Hussain, P.B. Shaik, N.B. Mokhtar, A.A.B. Bakthavatchalam, B. Ahmad, F. Harun, M.S.B. Shafts are rotating elements that are subjected to torsion and bending moments that cause failures at times leading to personal injury, capacity loss, or poor product quality if basic preventive design actions are not taken. Against this background, this paper describes the failure analysis and root cause of a broken SA564 grade stainless steel pump shaft used in a plant through visual inspection, metallography, X-ray diffraction, scanning electron microscope, chemical analysis, hardness, tensile and non-destructive tests. The results show that creep, fatigue initiation and propagation from defects in the material during the operation were the predominant factors of pump shaft failure. Moreover, the existence of voids, micro-cracks, sensitisation and creeps were also identified on the broken shaft. Overall, the studied broken shaft of the impeller failed due to fatigue, initiated at the fillet radius of the keyway due to the high cyclic stress loading. Copyright © 2021 Inderscience Enterprises Ltd. Inderscience Publishers 2021 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85106860063&doi=10.1504%2fIJMPT.2021.115201&partnerID=40&md5=c6ee19066f0a9914acbedf7c5f32daec Hussain, P.B. and Shaik, N.B. and Mokhtar, A.A.B. and Bakthavatchalam, B. and Ahmad, F. and Harun, M.S.B. (2021) Failure analysis of a broken SA564 stainless steel pump shaft. International Journal of Materials and Product Technology, 62 (1-3). pp. 152-166. http://eprints.utp.edu.my/23680/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description Shafts are rotating elements that are subjected to torsion and bending moments that cause failures at times leading to personal injury, capacity loss, or poor product quality if basic preventive design actions are not taken. Against this background, this paper describes the failure analysis and root cause of a broken SA564 grade stainless steel pump shaft used in a plant through visual inspection, metallography, X-ray diffraction, scanning electron microscope, chemical analysis, hardness, tensile and non-destructive tests. The results show that creep, fatigue initiation and propagation from defects in the material during the operation were the predominant factors of pump shaft failure. Moreover, the existence of voids, micro-cracks, sensitisation and creeps were also identified on the broken shaft. Overall, the studied broken shaft of the impeller failed due to fatigue, initiated at the fillet radius of the keyway due to the high cyclic stress loading. Copyright © 2021 Inderscience Enterprises Ltd.
format Article
author Hussain, P.B.
Shaik, N.B.
Mokhtar, A.A.B.
Bakthavatchalam, B.
Ahmad, F.
Harun, M.S.B.
spellingShingle Hussain, P.B.
Shaik, N.B.
Mokhtar, A.A.B.
Bakthavatchalam, B.
Ahmad, F.
Harun, M.S.B.
Failure analysis of a broken SA564 stainless steel pump shaft
author_facet Hussain, P.B.
Shaik, N.B.
Mokhtar, A.A.B.
Bakthavatchalam, B.
Ahmad, F.
Harun, M.S.B.
author_sort Hussain, P.B.
title Failure analysis of a broken SA564 stainless steel pump shaft
title_short Failure analysis of a broken SA564 stainless steel pump shaft
title_full Failure analysis of a broken SA564 stainless steel pump shaft
title_fullStr Failure analysis of a broken SA564 stainless steel pump shaft
title_full_unstemmed Failure analysis of a broken SA564 stainless steel pump shaft
title_sort failure analysis of a broken sa564 stainless steel pump shaft
publisher Inderscience Publishers
publishDate 2021
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85106860063&doi=10.1504%2fIJMPT.2021.115201&partnerID=40&md5=c6ee19066f0a9914acbedf7c5f32daec
http://eprints.utp.edu.my/23680/
_version_ 1738656506420658176
score 13.211869

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