Using the scanning infrared camera in experimental fatigue studies

Charles, J. A.; Appl, F. J.; Francis, J. E.

doi:10.1007/bf02318849

Cited by 45 publications

(16 citation statements)

References 4 publications

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“…Charles et al. [41] described the use of a scanning infrared camera in their fatigue work and Jordan and Sandor [42] used small welded copper/constantan thermocouples (0.127 mm in diameter) to monitor thermoelastic temperature changes in steel specimens. (Sandor and his co‐workers went on to develop and apply the differential infrared thermography technique for material assessment.)…”

Section: Spatementioning

confidence: 99%

Beginnings and Early Development of Thermoelastic Stress Analysis

Stanley

2008

Strain

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Starting with Gough's first recorded observation of the thermoelastic effect in 1803, through to the 1990s, the principal steps in the evolution of the thermoelastic stress analysis (TSA) technique are identified and reviewed. The coverage includes the contributions of Weber, who first described the effect in metals, Kelvin who provided the classical theoretical treatment, Turner and Coker who saw the potential of the effect as the basis of a stress analysis technique, Belgen who demonstrated the value of infrared technology in this context and Mountain and Weber whose foresight and skills resulted in the first commercially available equipment (SPATE) for TSA. Comments on the personal qualities and attributes of those involved are also included.

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Section: Spatementioning

confidence: 99%

Beginnings and Early Development of Thermoelastic Stress Analysis

Stanley

2008

Strain

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“…Reifsnider and Williams in 1974 [28] used thermography to monitor stress induced damage in composites while in 1975 [29] Charles et al employed TSA in artificially notched samples. In 1988, Stanley and Chan in [30] performed the TSA method to assess damage in composite materials.…”

Section: Thermomechanical Couplingmentioning

confidence: 99%

On the fatigue response of a bonded repaired aerospace composite using thermography

Grammatikos

Kordatos

Matikas

et al. 2018

Composite Structures

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“…Hence, to model the defect, the zdirection thermal conductivity is r 3duced between two plies over a portion of the modeled section. This introduces the concept of the "Defect Conduction Factor" (DCF), such that kZDEFECT = DCF k, (7) where kzDEFE(.T represents the z-condu-tivity at the defect and kz is from Eq 6. The D C F ususlly varies from 0 to 1.00.…”

Section: Description Of Defectmentioning

confidence: 99%

A model of passive thermal nondestructive evaluation of composite laminates

Charles

Wilson

1981

Polymer Composites

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A numerical model of passive thermal nondestructive evaluation (NDE) of composite laminates was developed. This model, based on a transient, three‐dimensional, finite difference solution to the heat conduction equations, can be used to characterize in‐plane defects in the laminates and to predict the laminate response to the thermal test. The model was experimentally verified using two material systems. A parametric study was then conducted to ascertain which variables were critical to the success of passive thermal NDE, and how flaw resolution might be improved.

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Using the scanning infrared camera in experimental fatigue studies

Cited by 45 publications

References 4 publications

Beginnings and Early Development of Thermoelastic Stress Analysis

Beginnings and Early Development of Thermoelastic Stress Analysis

On the fatigue response of a bonded repaired aerospace composite using thermography

A model of passive thermal nondestructive evaluation of composite laminates

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