The following data are obtained from a tensile test of a copper specimen. - The load at the yield point is 152 kN. - Length of the specimen is 20 mm. - The yield strength is 86 kN/mm2. - The percentage of elongation is 48 %. Determine the following (i) Diameter of the specimen, ii) Final length of the specimen, iii) Stress under an elastic load of 10 kN, iv) Young's Modulus if the elongation is 2.2 mm at 10 kN and (v) Final diameter if the percentage of reduction in area is 28 %. Solution Initial Cross-sectional Area (in mm2) Answer for part 1 The Diameter of the Specimen (in mm) Answer for part 2 Final Length of the Specimen (in mm) Answer for part 3 Stress at the elastic load (in N/mm2) Answer for part 4 Young's Modulus of the Specimen (in N/mm2) Answer for part 5 Final Area of the Specimen at Fracture (in mm) Answer for part 6 Final Diameter of the Specimen after Fracture (in mm) Answer for part 7
The following data are obtained from a tensile test of a copper specimen.
- The load at the yield point is 152 kN.
- Length of the specimen is 20 mm.
- The yield strength is 86 kN/mm2.
- The percentage of elongation is 48 %.
Determine the following
(i) Diameter of the specimen,
ii) Final length of the specimen,
iii) Stress under an elastic load of 10 kN,
iv) Young's Modulus if the elongation is 2.2 mm at 10 kN and
(v) Final diameter if the percentage of reduction in area is 28 %.
Solution
Initial Cross-sectional Area (in mm2)
Answer for part 1The Diameter of the Specimen (in mm)
Answer for part 2Final Length of the Specimen (in mm)
Answer for part 3Stress at the elastic load (in N/mm2)
Answer for part 4Young's Modulus of the Specimen (in N/mm2)
Answer for part 5Final Area of the Specimen at Fracture (in mm)
Answer for part 6Final Diameter of the Specimen after Fracture (in mm)
Answer for part 7Step by step
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