In a tensile test of stainless steel, the following data were obtained: 20,200 13,200 Load (N) Elongation (mm) 0.0 7,200 11,250 13,500 16,200 18.900 0.505 2.03 5.08 10.16 15.24 24.90 The dimensions of the cylindrical specimen were initial length L₁= 50.8 mm and initial arca A₁ - 35.8 mm² and the area at fracture was Ar 10.0 mm². S Plot the stress-strain diagram and determine the following: a) Modulus of elasticity b) The yield strength at a strain offset of 0.002 c) Ultimate strength d) Fracture strength 20,700 21.80

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Q4: A- The following data was obtained from a tensile test on a specimen of 10mm diameter and gauge length Lo=50mm. Load (KN) 0. 38 76.2 92.7 107 149 160.4 155 142 124.7 Elongation (mm) 0.025 0.152 0.254 0.508 2.032 3.556 4.064 5.1 5.842 Using the graphic paper supplied, plot the load-elongation diagram and determine: 1-0.2% proof stress. 2- The Young's modulus. 3- Ultimate stress. 4- Fracture stress.

A tension test was performed on a specimen having an original diameter of 13.7 mm and a gauge length of 50 mm. The data are listed in the table. Load (kN) Elongation (mm) 0 11.1 31.9 37.8 40.9 43.6 53.4 62.3 64.5 62.3 58.8 0 0.0175 0.0600 0.1020 0.1650 0.2490 1.0160 3.0480 6.3500 8.8900 11.9380 Plot the stress-strain diagram. Use a scale of 20 mm = 50 MPa and 20 mm = 0.05 mm/mm. Redraw the linear-elastic region, using the same stress scale but a strain scale of 20 mm = 0.001 mm/mm. From the diagram, determine approximately the modulus of elasticity. Express your answer to three significant figures and include the appropriate units. E = Submit Part B συ = Submit Part C ☐☐ μÅ of = Value Determine the ultimate stress. Express your answer to three significant figures and include the appropriate units. Request Answer μĂ Value Request Answer Units μĂ - Value Units Determine the fracture stress. Express your answer to three significant figures and include the appropriate units. ? Units ? ?

The stress-strain diagram for a steel alloy having an original diameter of 0.3 in. and a gage length of 5 in. is shown in the figure below. (Figure 1) Figure σ (ksi) 80 70 60 50 40 30 20 10 0 0 0.04 0.08 0.12 0.16 0.20 0.24 0.28 0 0.0005 0.001 0.0015 0.002 0.0025 0.0030.0035 e (in./in.) < 1 of 1 ▼ Part A Determine the modulus of resilience. Express your answer to three significant figures. (ur)approx= Submit Part B (14)approx= Determine the modulus of toughness. Express your answer to three significant figures. Submit ■ AΣ¢ † vec Provide Feedback Request Answer |VL]ΑΣΦΠ = Ivec Request Answer [C] ? MIC ? in-lb in³ in-kip in³