Answered: 25 20 15 10 5 0.3 0.6 0.9 1.2 1.5…

Engineering

Mechanical Engineering

25 20 15 10 5 0.3 0.6 0.9 1.2 1.5 Elongation (mm) Force (kN)

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 17RQ: Convert 22C to Fahrenheit.

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Concept explainers

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.

Question

The diagram shows a plot from an uniaxial test of an unknown metal. The uniaxial tensile test specimen had an original cross-sectional radius of 3.0 mm, an initial gauge length of 42 mm. At failure, the cross-sectional radius was 1.2 mm. Determine the yield strength of the unknown metal and the true stress at failure.

25
15
10
5
0.3
0.6
0.9
1.2
1.5
Elongation (mm)
Force (kN)
20

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