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N-Value and R-Value Measurement of Sheet Metal

N-value and R-valueVideo extensometer

For formability testing of metal sheet, traditional methods require multiple sets of extensometers, which is cumbersome and costly, and cannot accurately measure the maximum width deformation.The Haytham video extensometercan extract multiple sets of gauge length data in a single loading and automatically complete theN-value andR-value calculation, avoiding interference introduced by physical contact and significantly improving testing efficiency and data stability.

2D video extensometer (4).JPGimage-8.png

Experimental setup and lighting effect

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