A Methodology for Real Time Surface Strain Measurement for Stamping Through Non-Contact Optical Strain Measurement System

Abstract:

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The quality of stamp formed parts depends on a number of variables. Numerical studies based on finite element analysis can provide evolution of strain during forming and correlate with different failures of the formed parts. This study presents a methodology of capturing the evolution of strain during forming through a photogrammetric method. An open die was used to monitor the strain evolution of domed parts. The forming characteristic of a fibre-metal laminate system was compared to a monolithic aluminum alloy to elucidate the differences in the strain evolution during forming. It was found that the two materials exhibited different strain evolution during forming and this affected the failure behavior of the formed parts.

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Periodical:

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Edited by:

F. Micari, M. Geiger, J. Duflou, B. Shirvani, R. Clarke, R. Di Lorenzo and L. Fratini

Pages:

855-861

DOI:

10.4028/www.scientific.net/KEM.344.855

Citation:

S. Kalyanasundaram et al., "A Methodology for Real Time Surface Strain Measurement for Stamping Through Non-Contact Optical Strain Measurement System", Key Engineering Materials, Vol. 344, pp. 855-861, 2007

Online since:

July 2007

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$35.00

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