Speckle interferometry for the measurement of residual stresses

KAUFMANN, G. H.; ALBERTAZZI, A. JR.

New Directions in Holography and Speckle

American Scientific Publishers

Lugar: Stevenson Ranch, USA; Año: 2008; p. 353 - 374

Introduction, Basic theory of the hole-drilling technique for uniform residual stresses, Determination using a through hole, Determination using a blind hole, Hole-drilling and DSPI combined technique, Approaches based on the extraction of the phase distribution,            Basic optical setup and practical considerations, Data analysis, Full field estimation of residual stresses, Error sources, measurement range and accuracy, Errors due to data processing, Cancellation of rigid body displacements, The radial in-plane speckle interferometer, Introduction, The radial in-plane speckle interferometer, Measurement of displacements, strains and stresses, The Fourier approach, The least-squares approach, Residual stress measurement, Measurement of uniform residual stresses, Measurement residual stress gradients, A portable device, Calibration and uncertainty, Indentation and DSPI combined technique, Introduction, Residual stress measurement combining indentation and the radial in-plane speckle interferometer, Local heating and DSPI combined technique, Introduction, Determination of residual stresses, Concluding remarks, References.