Q2. A component is made from a metal that is known to be viscoelastic and behaves according to a secondary creep rate equation with constants of B and n provided as your input values. If the component is subjected to a constant force that results in the initial strain of provided to you, determine the design stress for a secondary creep life of 1,000 hrs before attaining a limiting strain, &t, of 0.01.

Q2. A component is made from a metal that is known to be viscoelastic and behaves according to a secondary creep rate equation with constants of B and n provided as your input values. If the component is subjected to a constant force that results in the initial strain of provided to you, determine the design stress for a secondary creep life of 1,000 hrs before attaining a limiting strain, &t, of 0.01.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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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

ε0= 0.005
B (hr-1Pa-1)=4.20E-34
n=3.15

σ0 (Pa)= 550000000

Q3. If the same component is subjected to a constant displacement that results in
the value of initial stress, σo, provided to you, calculate the time for the stress
to reduce to 200MPa. Young's modulus of the bolt is E = 200GPa.

Q2. A component is made from a metal that is known to be viscoelastic and
behaves according to a secondary creep rate equation with constants of B and n
provided as your input values.
If the component is subjected to a constant force that results in the initial strain of Eo
provided to you, determine the design stress for a secondary creep life of 1,000 hrs
before attaining a limiting strain, &t, of 0.01.

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