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Titolo:
Non-contacting residual stress decay detecting using alternating current stress measurement
Autore:
Chen, K; Brennan, FP; Dover, WD;
Indirizzi:
Univ Coll London, Dept Mech Engn, NDE Ctr, London WC1E 6BT, England Univ Coll London London England WC1E 6BT E Ctr, London WC1E 6BT, England
Titolo Testata:
JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN
fascicolo: 4, volume: 35, anno: 2000,
pagine: 227 - 233
SICI:
0309-3247(200007)35:4<227:NRSDDU>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Keywords:
alternating current stress measurement (ACSM); residual stress decay; fatigue; hole drilling;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
9
Recensione:
Indirizzi per estratti:
Indirizzo: Chen, K MSL Engn Ltd, MSL House,5-7 High St, Ascot SL5 9NQ, Berks, EnglandMSL Engn Ltd MSL House,5-7 High St Ascot Berks England SL5 9NQ and
Citazione:
K. Chen et al., "Non-contacting residual stress decay detecting using alternating current stress measurement", J STRAIN A, 35(4), 2000, pp. 227-233

Abstract

Recent work conducted at the Non-Destructive Evaluation Centre of University College London on the residual stress decay detection using the new alternating current stress measurement (ACSM) technology is presented. Flat barmild steel specimens were used in the experimental study. An equal biaxialcompressive residual stress field was introduced into the specimen surfaces by shot peening. The specimens were then subjected to a constant-amplitude cyclic load on a fatigue-testing machine. Under this loading situation, hole-drilling tests indicated that only the residual stress component in thecyclic loading direction had significantly relaxed. Test results showed that this relaxation could be detected by using the existing ACSM system. Further theoretical and experimental efforts are needed to make this technology available for a wide range of practical applications.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 31/03/20 alle ore 02:58:03