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Titolo:
Explosion of a combustion chamber shell
Autore:
Tao, CH; Zhang, D; Xi, NS;
Indirizzi:
Beijing Inst Aeronaut Mat, AVIC, Failure Anal Ctr, Beijing 100095, PeoplesR China Beijing Inst Aeronaut Mat Beijing Peoples R China 100095 PeoplesR China 1 Inst Air Force, Beijing 100076, Peoples R China 1 Inst Air Force Beijing Peoples R China 100076 100076, Peoples R China
Titolo Testata:
ENGINEERING FAILURE ANALYSIS
fascicolo: 1, volume: 7, anno: 2000,
pagine: 1 - 10
SICI:
1350-6307(200002)7:1<1:EOACCS>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Keywords:
combustion chamber; explosion; fatigue; welded fabrications; life assessment;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
0
Recensione:
Indirizzi per estratti:
Indirizzo: Tao, CH Beijing Inst Aeronaut Mat, AVIC, Failure Anal Ctr, POB 81-4, Beijing 100095, Peoples R China Beijing Inst Aeronaut Mat POB 81-4 Beijing Peoples R China 100095
Citazione:
C.H. Tao et al., "Explosion of a combustion chamber shell", ENG FAIL AN, 7(1), 2000, pp. 1-10

Abstract

This paper describes an investigation of the explosion of a combustion chamber shell in an aeroengine, Metallographic analysis, mechanical calculation and fatigue life estimation have been performed to determine failure causes and to make a proposal for preventive measure. The analytical results show that the poor quality of the roll welding seam is the fundamental cause of failure added to which a crack in the seam had not been discovered during a second overhaul, The effective design improvement is argon are welding instead of roll welding in fabricating new shells. The effective preventivemeasures for old shells are to raise the strength of the seam by additional melt welding at overhaul, and to perform rigorous nondestruction inspection. (C) 1999 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/09/20 alle ore 07:48:15