2. Determine cross-sectional area. 3. Determine stress corresponding to each force. 4. Determine longitudinal strain using...
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2. Determine cross-sectional area. 3. Determine stress corresponding to each force. 4. Determine longitudinal strain using gage length, Lo=220 mm (not length (405,368,392 or 383) corresponding to each longitudinal deformation. 5. Using the data given in excel spreadsheet, plot engineering stress-strain diagram. 4. Determine approximate yield strength, ay(MPa) and yield strain, &, (mm/mm) from the stress-strain diagram. Remember, at yield point, the specimen deformation increases at constant stress. 5. Determine the ultimate strength, o (MPa) from the stress-strain diagram. Remember, ultimate strength is the maximum engineering stress observed during the testing of the specimen. 6. Determine and fracture strain, &, (mm/mm) from the stress-strain diagram 7. Calculate the modulus of toughness (T) and the modulus of resilience (R) according to the following formulas. R= T= Oy Ey 2 Oy Ou 2 Ef (3) (4) 2. Determine cross-sectional area. 3. Determine stress corresponding to each force. 4. Determine longitudinal strain using gage length, Lo=220 mm (not length (405,368,392 or 383) corresponding to each longitudinal deformation. 5. Using the data given in excel spreadsheet, plot engineering stress-strain diagram. 4. Determine approximate yield strength, ay(MPa) and yield strain, &, (mm/mm) from the stress-strain diagram. Remember, at yield point, the specimen deformation increases at constant stress. 5. Determine the ultimate strength, o (MPa) from the stress-strain diagram. Remember, ultimate strength is the maximum engineering stress observed during the testing of the specimen. 6. Determine and fracture strain, &, (mm/mm) from the stress-strain diagram 7. Calculate the modulus of toughness (T) and the modulus of resilience (R) according to the following formulas. R= T= Oy Ey 2 Oy Ou 2 Ef (3) (4)
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Solutions Step 1 Determine the crosssectional area Unfortunately the image doesnt explicitly show the crosssectional area This value is needed to calculate stress so youll need to find it from the exp... View the full answer
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