The use of digital image correlation in a parametric study on the effect of edge distance and thickness on residual strains after hole cold expansion

The paper presents the results of an experimental study that used digital image correlation to measure the residual strains created by hole cold expansion both before and after insertion of an interference fit fastener. The study used 7075-T6 aluminium test coupons with multiple fastener holes to mo...

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Veröffentlicht in:	Journal of strain analysis for engineering design 2008-11, Vol.43 (8), p.781-789
Hauptverfasser:	Backman, D, Liao, M, Crichlow, L, Yanishevsky, M, Patterson, E A
Format:	Artikel
Sprache:	eng
Schlagworte:	Aircraft Aircraft components Aircraft industry Alloys Aluminum Aluminum base alloys Correlation analysis Digital imaging Experimental methods Fatigue Insertion Interference Interference fit Measurement Methods Nondestructive testing Parametric statistics Plastic deformation Residual stress Simulation Strain gauges Stress analysis
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