1. A material has stress-strain diagram as shown in Fig. 1. It has equal yielding stress and proportional limit stress.

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1 A Material Has Stress Strain Diagram As Shown In Fig 1 It Has Equal Yielding Stress And Proportional Limit Stress 1 (52.5 KiB) Viewed 45 times

1. A material has stress-strain diagram as shown in Fig. 1. It has equal yielding stress and proportional limit stress. Determine mechanical properties below: • Proportional limit: _MPa (0.5pts) • Ultimate stress: _MPa (0.5pts) • Fracture stress: _MPa (0.5pts) • Modulus of elasticity: GP (Ipts) • Modulus of resilience: _MJ/m? (0.5pts) (MPa) 840 770 FBD(Ipts) 700 630 560 490 11 420 350 B 280 210 140 70 0 Emmmm) 0.02 0.04 0.06 0,08 0,10 0.12 0.14 0.16 0.1% 0.20 0.22 0.24 Quotes Love 0.0024 0.0004 0.0012 0.0020 Figure 1 Both segments AB and BC are made with given materials which has LAB = 800 mm and LBC = 600 mm and having cross-sectional area AAB = 150 mm and Abc = 100 mm?. Compression loads are applied to the segments, P, = 45 kN and P2 = 20 kN. What is the total contraction (Sotal) of the segments ABC of the axially loaded? _mm (3pts) What is the permanent set (Eper) after the loads are released? _mm/mm (3pts)