55mm (2.165") 10mm (0.394) 10mm (0.394") 8mm (0.315) 45 Figure 1: Charpy Impact Test specimen dimensions Half part of specimen Notched section Effective Area Height Width Figure 2: Effective area at notch -0.25mm (0.010") rad. Absorbed Energy (J) Impact Strength = Effective Area (m) Equation 1 Specimen A Width (mm) 8 10 Height (mm) Effective Area (m) Absorbed Energy (J) Specimen B 8 (4 marks) 10 (4 marks) 8 10 3 X 10 X103 = 0.000803 =810-5 1015 (810 - ) x (10X10 ) = 0.00008m = Show all calculations 30J (8 marks) (6 marks) 101 30 =12625005/m 8X10-5 Impact Strength (J/m) Experiment 4 Page 2 of 3 = 3750005/m Show all calculations (10 marks) Effective Date: 18 Oct 2