From: Experimental study of strain fields during shearing of medium and high-strength steel sheet
Medium strength | High strength | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
1 clamp | 2 clamps | 1 clamp | 2 clamps | ||||||||
0.05h | 0.15h | 0.25h | 0.05h | 0.15h | 0.25h | 0.15h | 0.25h | 0.15h | 0.25h | ||
\(\bar {\varepsilon }_{\text {init}}\) | 1.7 | 1.7 | 3.0 | 1.1 | 1.2 | 1.4 | 0.7 | 0.6 | 0.6 | 1.3 | |
|U y |init | 2.0 | 2.0 | 4.0 | 1.8 | 2.1 | 2.8 | 1.2 | 1.6 | 1.1 | 1.8 | |
\(\bar {\varepsilon }_{\text {final}}\) | 2.6 | 3.7 | 3.2 | 4.1 | 2.8 | 1.8 | 2.1 | 2.9 | 2.4 | 1.5 | |
|U y |final | 2.6 | 3.2 | 4.6 | 3.0 | 2.8 | 3.0 | 1.8 | 2.3 | 1.7 | 1.8 |