Residual stress measurement using a radial in-plane speckle interferometer and laser annealing: preliminary results

This paper presents a combined system based on digital speckle pattern interferometry and laser annealing to determine residual stresses in ductile materials. The system allows the measurement of the radial in-plane displacement field generated when a specimen subjected to residual stresses is local...

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Bibliographic Details
Published in:	Optics and lasers in engineering Vol. 42; no. 1; pp. 71 - 84
Main Authors:	Viotti, Matı́as R., Sutério, Ricardo, Albertazzi, Armando, Kaufmann, Guillermo H.
Format:	Journal Article
Language:	English
Published:	Oxford Elsevier Ltd 01-07-2004 Elsevier
Subjects:	Digital speckle pattern interferometry Exact sciences and technology Fundamental areas of phenomenology (including applications) Imaging and optical processing Instruments for strain, force and torque Instruments, apparatus, components and techniques common to several branches of physics and astronomy Laser annealing Mechanical instruments, equipment and techniques Nondestructive evaluation Optics Physics Radial interferometer Residual stresses Speckle and moire patterns Nondestructive evaluation Laser annealing Residual stresses Radial interferometer Digital speckle pattern interferometry Stress distribution Measurement systems Laser-radiation heating Displacement measurement Displacement field Ductile material Experimental study Speckle interferometry Thermal annealing Interferometers Stress measurement
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