Progress in the Development of a Thermoelastic Gauge for Stress Separation

Stanley, P.; Phan, Thanh Song; Dulieu-Barton, J.M.

doi:10.1007/978-1-4020-6239-1_427

Cited by 2 publications

(4 citation statements)

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“…The orthotropic gauge will have different material properties in the longitudinal and the transverse directions. The stiffness matrix for the gauge will be identical to that for an orthotropic lamina and is [13] …”

Section: Orthotropic Gauge-isotropic Specimenmentioning

confidence: 99%

“…isotropic/isotropic, orthotropic/ isotropic, isotropic/orthotropic, and orthotropic/ orthotropic); the validity of the underlying assumptions is demonstrated and it is shown that the behaviour of samples of the orthotropic gaugeisotropic specimen material combination conforms with theory. A summarized account of the work is available in reference [13].…”

Section: Introductionmentioning

confidence: 99%

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On the concept of a fully bonded coupon gauge for stress separation from thermoelastic data

Stanley

Dulieu-Barton

Emery

2008

The Journal of Strain Analysis for Engineering Design

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Several forms of gauge can be used for the determination of individual stresses from thermoelastic data alone. A particularly useful form of gauge is the 'coupon gauge', consisting of a thin coupon of material which is bonded to the stressed specimen (or substrate). A novel formulation of the thermoelastic response of the fully bonded thermoelastic coupon gauge is used as the basis for the appraisal of the four possible gauge-specimen material combinations. The validity of the principal assumptions underlying the performance of these gauges is demonstrated and it is shown experimentally that the behaviour of samples of the orthotropic gauge-isotropic specimen material combination conforms to theory.

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Section: Orthotropic Gauge-isotropic Specimenmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

On the concept of a fully bonded coupon gauge for stress separation from thermoelastic data

Stanley

Dulieu-Barton

Emery

2008

The Journal of Strain Analysis for Engineering Design

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“…Professor Peter Stanley and his colleagues were among the first, and continue to be very active contributors to the field of evaluating individual stresses from measured temperatures [3][4][5]. Although reference [3] is limited to axial-symmetrical stresses, the research inspired others to seek ways of converting measured temperatures into individual stresses.…”

Section: Introductionmentioning

confidence: 99%

“…Although reference [3] is limited to axial-symmetrical stresses, the research inspired others to seek ways of converting measured temperatures into individual stresses. The idea of bonded TSA gauges is developed in references [4] and [5]. The method involves adhering longitudinal/ uniaxial isotropic strips or rods, or an orthotropic coupon, to the surface of the structure of interest ( Fig.…”

Section: Introductionmentioning

confidence: 99%

Determining individual stresses thermoelastically

Patterson

Rowlands

2008

The Journal of Strain Analysis for Engineering Design

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Thermoelastic stress analysis (TSA, thermoelasticity) uses an infrared radiometer to measure local temperature fluctuations and relates these changes to variations in the stresses or strains in a material by thermodynamic principles. The recorded TSA signal is associated with a combination of the individual stress components. However, engineering analyses typically necessitate knowing the values of the individual stress components, and so it is necessary to 'separate the stresses'. The various approaches that have been used to evaluate the individual components of stress from the TSA-measured information are reviewed and compared, and some areas potentially worthy of further research are indicated.

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Progress in the Development of a Thermoelastic Gauge for Stress Separation

Cited by 2 publications

References 1 publication

On the concept of a fully bonded coupon gauge for stress separation from thermoelastic data

On the concept of a fully bonded coupon gauge for stress separation from thermoelastic data

Determining individual stresses thermoelastically

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