The load-elongation curve obtained in a tensile test of a given metallic material is
shown below. The specimen has an initial useful length of 10 mm and a cross section
rectangular initial with a width of 5 mm and a thickness of 2 mm. estimate:
(a) The modulus of elasticity;
(b) The resilience module;
(c) The yield point stress (limit n = 0.5%);
(d) The hardening coefficient;
(e) The resistance coefficient;
(f) The actual stress at the fracture;

Question

The load-elongation curve obtained in a tensile test of a given metallic material is

shown below. The specimen has an initial useful length of 10 mm and a cross section

rectangular initial with a width of 5 mm and a thickness of 2 mm. estimate:

(a) The modulus of elasticity;

(b) The resilience module;

(c) The yield point stress (limit n = 0.5%);

(d) The hardening coefficient;

(e) The resistance coefficient;

(f) The actual stress at the fracture;

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