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A. Which material is considered as ductile and which one is considered as brittle? Explain. What is the difference between the two types? B. Knowing that one of these two specimens is polystyrene and the other is mild steel. Which of these tensile tests will be for polystyrene and which one will be for the mild steel?

A. Which material is considered as ductile and which one is considered as brittle? Explain. What is the difference between the two types? B. Knowing that one of these two specimens is polystyrene and the other is mild steel. Which of these tensile tests will be for polystyrene and which one will be for the mild steel?

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parts a and B please

400 a50 300 250 200 Material A 150 100 50 0.02 0.04 0.06 0.08 0.12 0.14 0.16 0.18 Strain (mm/mm) 50 Material B 30 20 10 0.02 0.04 0.06 0.08 0.1 Strain (mm/mm) Figure 2: Tensile Test Analysis Stress (MPal Stress (MPa)
Transcribed Image Text:400 a50 300 250 200 Material A 150 100 50 0.02 0.04 0.06 0.08 0.12 0.14 0.16 0.18 Strain (mm/mm) 50 Material B 30 20 10 0.02 0.04 0.06 0.08 0.1 Strain (mm/mm) Figure 2: Tensile Test Analysis Stress (MPal Stress (MPa)
A. Which material is considered as ductile and which one is considered as brittle? Explain. What is the difference between the two types? B. Knowing that one of these two specimens is polystyrene and the other is mild steel. Which of these tensile tests will be for polystyrene and which one will be for the mild steel? C. What is the Ultimate Tensile Strength (UTS) for the two specimens? Which one has higher UTS? Explain your answer. D. From the tensile test for Material A. What is the value of yield strength for this material? E. From the tensile test for Material A. Calculate the Modulus of Elasticity (Young's Modulus) for this material. F. Which material has higher plastic deformation before fracture? G. Suppose that the specimen of material A is unloaded before the yield strength point. For this specimen, sketch the elastic hysteresis loop for the elastic region of the stress-stain curve. H. Which material should you select to manufacture a mechanical part that should not change shape with great pressure? Explain your answer.
Transcribed Image Text:A. Which material is considered as ductile and which one is considered as brittle? Explain. What is the difference between the two types? B. Knowing that one of these two specimens is polystyrene and the other is mild steel. Which of these tensile tests will be for polystyrene and which one will be for the mild steel? C. What is the Ultimate Tensile Strength (UTS) for the two specimens? Which one has higher UTS? Explain your answer. D. From the tensile test for Material A. What is the value of yield strength for this material? E. From the tensile test for Material A. Calculate the Modulus of Elasticity (Young's Modulus) for this material. F. Which material has higher plastic deformation before fracture? G. Suppose that the specimen of material A is unloaded before the yield strength point. For this specimen, sketch the elastic hysteresis loop for the elastic region of the stress-stain curve. H. Which material should you select to manufacture a mechanical part that should not change shape with great pressure? Explain your answer.
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