Holographic interference method for studying residual stresses

Apalkov, A. A.; Larkin, A I; Osintsev, A. V.; Одинцев, И. Н.; Shchepinov, V. P.; Shchikanov, A. Yu.; Fontaine, Joël

doi:10.1070/qe2007v037n06abeh013352

Cited by 4 publications

(1 citation statement)

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“…Pisarev et al [61][62][63] performed comprehensive holographic-hole drilling studies of residual stresses in both thin and thick walled welded aluminum plates, and in tubular specimens. Different methods for analyzing the information contained in holographic-hole drilling fringe patterns continue to be pursued [64][65][66].…”

Section: Holographic Interferometrymentioning

confidence: 99%

Residual Stress Determination by Hole Drilling Combined with Optical Methods

Nelson

2010

Exp Mech

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An overview is provided of the use of eight different optical methods with hole drilling to determine residual stresses. The methods considered are: brittle and photoelastic coatings, Moire interferometry, holographic interferometry, electronic speckle pattern interferometry, interferometric strain rosette, digital image correlation and shearography. A number of applications are summarized, such as the use of hole drilling with holographic interferometry to investigate stresses in rock structures accessed by deep boreholes and to determine manufacturing-induced residual stresses in fillets of small radii.

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Section: Holographic Interferometrymentioning

confidence: 99%

Residual Stress Determination by Hole Drilling Combined with Optical Methods

Nelson

2010

Exp Mech

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Optical Methods

Nelson

2013

Practical Residual Stress Measurement Methods

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Residual stress determination using full-field optical methods

Nelson

2021

J. Phys. Photonics

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Residual stresses are created in engineering components during fabrication and processing. Such stresses can strongly influence structural behavior. They are generally found by experimental means. A widely used way of finding residual stresses is removal of a small volume of material containing stresses and measurement of the strains that develop in surrounding material as a result of stresses being released. The strains can then be used to compute residual stresses. Drilling a small shallow hole is the most common way of implementing this approach, with strains measured by nearby strain gages adhered to the surface. This paper provides an overview of how full-field optical methods can be used instead of strain gages with hole drilling, overcoming limitations associated with gages and expanding capabilities of the hole drilling approach. The methods considered are holographic and electronic speckle pattern interferometry, Moire interferometry and digital image correlation. Advantages of using optical methods to find residual stresses are shown. A variety of applications is presented, ranging from determination of stresses in underground piping to stresses in microscale specimens. In addition, optical approaches employing different ways of material removal for stress release are reviewed, as well as several non-destructive optical methods for determining residual stresses.

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Holographic interference method for studying residual stresses

Abstract: This note describes a centrifugal impeller stirred oil bath, that has a stability for one hour of ?O.Ol"C over the range 90-300°C.

Cited by 4 publications

References 1 publication

Residual Stress Determination by Hole Drilling Combined with Optical Methods

Residual Stress Determination by Hole Drilling Combined with Optical Methods

Optical Methods

Residual stress determination using full-field optical methods

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