Practical Residual Stress Measurement Methods

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There are many different residual stress measurement techniques available to quantify residual stresses. The following are some examples of common measurement techniques. Continue reading Residual stress measurement techniques. The hole drilling measurement method is one of our most popular residual stress measurement options, and involves the incremental drilling of a small hole into the surface of a specimen.


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Watch the video below and read on to learn more about the hole drilling method. Continue reading Hole drilling residual stress measurement method.

Tag: Residual Stress Measurement

The contour method, which is based upon solid mechanics, determines residual stress through an experiment that involves carefully cutting a specimen into two pieces and measuring the resulting deformation due to residual stress redistribution. The measured displacement data are used to compute residual stresses through an analysis that involves a finite element model of the specimen.

As part of the analysis, the measured deformation is imposed as a set of displacement boundary conditions on the model. The finite element model accounts for the stiffness of the material and part geometry to provide a unique result. The output is a two-dimensional map of residual stress normal to the measurement plane. The contour method is particularly useful for complex, spatially varying residual stress fields that are difficult or slow to map using conventional point wise measurement techniques.

For example, the complex spatial variations of residual stress typical of welds are well-characterized using the contour method. A basic measurement procedure is provided along with comments about potential alternate approaches, with references for further reading. The slitting method is a technique for measuring through thickness residual stress normal to a plane cut through a part.

It involves cutting a slit i. Residual stress as a function of through thickness position is determined by solving an inverse problem using measured deformations.

Wiley-VCH - Practical Residual Stress Measurement Methods

The chapter describes practical measurement procedures, provides a number of example applications, and summarizes efforts to determine the quality of the residual stress information obtained with the method. Large aluminum forgings are seeing increased application in aerospace structures, particularly as an enabler for structural unitization. These applications, however, demand an improved understanding of the forging process induced bulk residual stresses and their impact on both design mechanical properties and structural performance.

In recent years, significant advances in both computational and experimental methods have led to vastly improved characterization of residual stresses. Residual stresses can be beneficial or detrimental to mechanical structures. In this work, a rectangular plate specimen with a cold expanded hole was designed to study the influence of these stresses on low cycle fatigue of high-strength steel.


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  • Residual-stress measurement in orthotropic materials using the hole-drilling method.
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  • Three separated measurements of the stresses were made using different techniques: indentation method, X-ray diffraction method and contour method. The results show good agreement with finite element modelling of the cold-expanded hole problem.

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    Prime, Cross-sectional mapping of residual stresses by measuring the surface contour after a cut, Journal of Eng. All Rights Reserved. Log In. Paper Titles. Article Preview. Advanced Materials Research Volume Main Theme:.

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    Residual Stresses IX. Edited by:. Montay, B. Panicaud, D. Retraint and E.

    Practical Residual Stress Measurement Methods

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