Residual stresses are created in engineering components during fabrication and
processing. Such stresses can strongly influence structural behavior. They are generally …

A portable device to essentially measure residual stress fields outside an optical bench is
presented. This system combines the hole-drilling technique with digital speckle pattern …

Holographic-hole drilling is a method developed for the rapid determination of residual
stresses from an optical interference fringe pattern. A small diameter blind hole is drilled into …

This paper reports on the accuracy and sensitivity of digital speckle pattern interferometry
(DSPI) when it is combined with the hole drilling technique for measuring residual stresses …

A detailed description of unconventional two-step technique of residual stresses
determination is presented. This technique has the highest possible sensitivity with respect …

Background Optical measurement techniques such as digital image correlation and speckle
interferometry have been applied to hole-drilling evaluations of residual stress for some …

A technique is described for the rapid determination of residual stresses through the
combined use of hole drilling and holographic interferometry. A small diameter blind hole is …

A method is described for the rapid, accurate determination of residual stresses from a
holographic interference fringe pattern. The pattern is generated by the displacement field …

Sophisticated technique for reliable quantitative deriving residual stress values from initial
experimental data, which are inherent in combined implementing the hole drilling method …

Comparative analysis of actual fringe patterns, which are induced by combined
implementing the hole drilling method and reflection hologram interferometry for residual …