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Application of the Incremental Hole-Drilling Method for the Determination of Residual Stresses in Glass-Fiber Reinforced Composites
2014
Advanced Materials Research
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The incremental hole-drilling method was adapted for the measurement of residual stresses in polymer based composite materials. The parameters of the hole drilling process and the strain measurement in non-reinforced and 70 weight-percent glass-fiber-reinforced polypropylene were investigated. Calibration coefficients for the calculation of the residual stresses in the orthotropic material systems were determined by Finite Element Analysis. By means of application of the method to
doi:10.4028/www.scientific.net/amr.996.262
fatcat:52v7eqjqhna2fi2kwxfcdhbxiq