Measurement of Residual Stress Distribution by the Incremental Hole-Drilling Method

Niku-Lari, A.; J, Lu; Flavenot, J. F.

doi:10.1016/b978-0-08-034062-3.50020-3

Cited by 19 publications

(25 citation statements)

References 7 publications

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“…Initial developments of the Integral Method were done by Bijak-Zochawski (19~, and followed by several others (e.g. Flaman 1985;Niku-Lari 1985;Schajer 1981). Schajer provided a valuable contribution to development of a correct procedure for obtaining non-uniform residual stresses through thickness.…”

Section: Integral Methodsmentioning

confidence: 99%

“…The incremental core-drilling method is similar to Integral Method (e.g. Flaman 1985;Niku-Lari 1985;Schajer 1981;1988a;1988b) and Influence Function Method (Beghini 1998; developed for measuring non-uniform residual stress in steel. Even though the main concept of the core-drilling method is similar to Integral Method, the calibration constants are defined with continuous influence functions, which do not need any interpolation.…”

Section: Theorymentioning

confidence: 99%

See 1 more Smart Citation

Theoretical Development of the Core-Drilling Method for Nondestructive Evaluation of Stresses in Concrete Structures

Pessiki¹,

Türker²

2003

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Section: Integral Methodsmentioning

confidence: 99%

Section: Theorymentioning

confidence: 99%

Theoretical Development of the Core-Drilling Method for Nondestructive Evaluation of Stresses in Concrete Structures

Pessiki¹,

Türker²

2003

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“…For non‐uniform through‐thickness residual stresses, the hole has to be drilled in steps and the relieved strain measured for each one of them. Several methods have been proposed to solve the inverse problem in this case, including the incremental strain [7, 8], the power series [9], the average stress [10] and the integral methods [5, 11–13]. The integral method, which is based on matrices of influence coefficients determined by numerical simulations of incremental drilling (usually with finite‐element analyses), is probably the most used, in particular for stress fields with high gradients [13, 14].…”

Section: Introductionmentioning

confidence: 99%

Evaluating Non‐Uniform Residual Stress by the Hole‐Drilling Method with Concentric and Eccentric Holes. Part I. Definition and Validation of the Influence Functions

Beghini

Bertini

Mori

2010

Strain

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Residual stresses play a fundamental role in predicting the resistance of several structural components, in particular when operating under alternating loads or in aggressive environments. Among the measurement techniques, the hole‐drilling method is unrivalled in terms of cost and flexibility. The currently available data reduction techniques do not account for some important parameters, in particular the hole eccentricity, and can be directly used only with certain rosettes or require the partial holes to be drilled at fixed depths. This paper presents a general approach for interpreting hole‐drilling measurements that includes the hole eccentricity and several other geometric and material parameters. The method is based on analytical influence functions relating the measured relieved strains to the residual stress by means of integral equations. By elaborating the results of accurate finite‐element simulations, continuous analytical influence functions are produced, which can be used to reduce the error in the reconstructed residual stress. We focus on the definition of the influence functions, their evaluation and assessment.

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“…Niku‐Lari et al. (1985) [11] evaluated the residual stresses in multi‐layered material by the incremental blind‐hole method. Research findings on thermal stress and strain in electronic packagings by many researchers were compiled by Lau (1990) [12] and Lau et al.…”

Section: Introductionmentioning

confidence: 99%

Photoelastic Investigation of Bimaterial Interfacial Stresses Induced by Thermal Loading

Wang

Lin

2003

Strain

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In this paper, the photoelastic technique and finite element method were employed to investigate the interfacial stresses induced by thermal loading in bimaterial structures. By observing the photoelastic fringe patterns, in comparison with those theories developed by other investigators, severe temperature and stress gradients were found across the specimens’ heights. The maximum fringe order near the interface was six times that near the top surface of the photoelastic material when the temperature was raised to 65 °C. Furthermore, for the bimaterial structures, differences were found between measured stress fields as a result of increasing and decreasing temperature differences.

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Measurement of Residual Stress Distribution by the Incremental Hole-Drilling Method

Cited by 19 publications

References 7 publications

Theoretical Development of the Core-Drilling Method for Nondestructive Evaluation of Stresses in Concrete Structures

Theoretical Development of the Core-Drilling Method for Nondestructive Evaluation of Stresses in Concrete Structures

Evaluating Non‐Uniform Residual Stress by the Hole‐Drilling Method with Concentric and Eccentric Holes. Part I. Definition and Validation of the Influence Functions

Photoelastic Investigation of Bimaterial Interfacial Stresses Induced by Thermal Loading

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