Q2] (12 Marks) A specimen of magnesium having a rectangular cross section of dimension 3.2 mm...

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Q2] (12 Marks) A specimen of magnesium having a rectangular cross section of dimension 3.2 mm x 19.1 mm and a gauge length of 63.5 is pulled in tension. Use the load-elongation characteristics tabulated as follows to: Load (kN) 0.0 1.38 2.78 5.63 8.14 9.87 12.85 14.10 14.34 13.83 12.59 6.99 5.72 Al (mm) 0.0 0.03 0.06 0.12 0.25 0.64 1.91 3,18 Plot the True stress strain graph, pointing each point on the graph, and calculate graphically 1- Modulus of elasticity 2 The values of K and n 3. True tensile strength 4- True fracture stress Q2] (12 Marks) A specimen of magnesium having a rectangular cross section of dimension 3.2 mm x 19.1 mm and a gauge length of 63.5 is pulled in tension. Use the load-elongation characteristics tabulated as follows to: Load (kN) 0.0 1.38 2.78 5.63 8.14 9.87 12.85 14.10 14.34 13.83 12.59 6.99 5.72 Al (mm) 0.0 0.03 0.06 0.12 0.25 0.64 1.91 3,18 Plot the True stress strain graph, pointing each point on the graph, and calculate graphically 1- Modulus of elasticity 2 The values of K and n 3. True tensile strength 4- True fracture stress

Answer rating: 100% (QA)

Solution Given Gauge length 1 635 Cross sectional areaA 32 x 191 6112mm 6112 x 106m Strain ... View the full answer