Issue 37

D. Angelova et alii, Frattura ed Integrità Strutturale, 37 (2016) 265-271; DOI: 10.3221/IGF-ESIS.37.35 268 a. b. Figure 2 : Comparative analysis of mechanical properties of hot-rolled plate/sheet, obtained by strain–speed–temperature Regimes A and B; a. – plate/sheet with final thickness 30 mm; b. – plate/sheet with final thickness 40 mm. 0 100 200 300 400 500 600 700 1 2 3 4 5 6 7 8 9 10 Sheet mark number Tensile strength, R m , МРа 470 МРа (ЕN 10025-2:2004) 630 МРа (ЕN 10025-2:2004) 0 100 200 300 400 500 600 1 2 3 4 5 6 7 8 9 10 Sheet mark number Yield Strength, R e , MPa 345 МРа (ЕN 10025-2:2004) 430 МРа (ЕN 10025-2:2004) 0 10 20 30 40 50 1 2 3 4 5 6 7 8 9 10 Sheet mark number Elongation after fracture А , % min 20% (ЕN 10025-2:2004) 0 50 100 150 200 250 1 2 3 4 5 6 7 8 9 10 Sheet mark number V-Notch Impact Energy К , J min 27J (ЕN 10025-2:2004) 0 100 200 300 400 500 600 700 1 2 3 4 5 6 7 8 9 10 Sheet mark number Tensile strength, R m , МРа 470 МРа (ЕN 10025-2:2004) 630 МРа (ЕN 10025-2:2004) 0 100 200 300 400 500 600 1 2 3 4 5 6 7 8 9 10 Sheet mark number Yield Strength, R e , MPa 345 МРа (ЕN 10025-2:2004) 430 МРа (ЕN 10025-2:2004) 0 10 20 30 40 50 1 2 3 4 5 6 7 8 9 10 Sheet mark number Elongation after fracture А , % min 20% (ЕN 10025-2:2004) 0 50 100 150 200 250 1 2 3 4 5 6 7 8 9 10 Sheet mark number V-Notch Impact Energy К , J min 27J (ЕN 10025-2:2004)