Incremental ring-core cutting around an interferometric strain/slope rosette for residual stress measurement

Wei Ren; Keyu Li

doi:10.1117/12.468804

29 May 2002 Incremental ring-core cutting around an interferometric strain/slope rosette for residual stress measurement

Wei Ren, Keyu Li

Author Affiliations +

Proceedings Volume 4537, Third International Conference on Experimental Mechanics; (2002) https://doi.org/10.1117/12.468804
Event: Third International Conference on Experimental Mechanics, 2002, Beijing, China

Abstract

The Interferometric Strain/Slope Rosette (ISSR) is combined with ring-core method to measure residual stresses. The method has many advantages such as non-contacting and short gage-length compared with resistance strain rosette/ring-core method. The ISSR measures the relived strains during ring-core cutting. A finite element model is set up to calculate residual stresses. Two experiments are conducted on an aluminum plate to determine the residual stresses induced form its manufacturing processes. The residual stress distributions with depth are measured by using incremental ring-core cutting around an ISSR.

Citation Download Citation

Wei Ren and Keyu Li "Incremental ring-core cutting around an interferometric strain/slope rosette for residual stress measurement", Proc. SPIE 4537, Third International Conference on Experimental Mechanics, (29 May 2002); https://doi.org/10.1117/12.468804

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