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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
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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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.
Transcribed Image Text: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.
Transcribed Image Text: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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