Q2) Cylindrical rod with original diameter (12mm) and original length (70 mm) made of 1020 Hot-rolled steel alloy which their yield stress (207 MPa) and Young modulus (210 GPa). Tensile test was carried on this rod and it's broken under (27.5 KN) force with final diameter (10mm) and final length (84 mm). Calculate: (A) 1- Engineering fracture stress 2- True fracture stress. (B) If you know that the Brinell hardness for this alloy (HB=111). Estimate the tensile strength of this alloy in (MPa).

Q2) Cylindrical rod with original diameter (12mm) and original length (70 mm) made of 1020 Hot-rolled steel alloy which their yield stress (207 MPa) and Young modulus (210 GPa). Tensile test was carried on this rod and it's broken under (27.5 KN) force with final diameter (10mm) and final length (84 mm). Calculate: (A) 1- Engineering fracture stress 2- True fracture stress. (B) If you know that the Brinell hardness for this alloy (HB=111). Estimate the tensile strength of this alloy in (MPa).

Elements Of Electromagnetics

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Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Thermal Properties of Materials

In mechanical engineering, the thermal property is represented as the physical quantity that is relevant to the application of heat. The thermal properties are evaluated by variations in any specific material due to low heat or high heat. The quantities that influence the thermal property of the materials are mass, density, temperature, and many others.

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Q2) Cylindrical rod with original diameter (12mm) and original length (70 mm) made of
1020 Hot-rolled steel alloy which their yield stress (207 MPa) and Young modulus (210
GPa). Tensile test was carried on this rod and it's broken under (27.5 KN) force with final
diameter (10mm) and final length (84 mm). Calculate:
(A) 1- Engineering fracture stress
(B) If you know that the Brinell hardness for this alloy (HB=111). Estimate the tensile
strength of this alloy in (MPa).
2- True fracture stress.
(C) 1- Toughness gauge.
2- The percentage of elongation.

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