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

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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Q1. (i)
Initial
strain
Please enter your supplied question data
Q1. (ii)
Eo
B (hr¹Pa-¹)
n
IVICUITO
Fracture
0.003
Please enter your answers here
Your
Q1. (i)
Answers:
4.60E-34
Q1. (ii)
3.2
Q2. o (Pa)
σo (Pa)
780,000,000
Q3. t (hr)
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 E
provided to you, determine the design stress for a secondary creep life of 1,000 hrs
before attaining a limiting strain, &, of 0.01.
Q3. If the same component is subjected to a constant displacement that results in
the value of initial stress, o, 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:Q1. (i) Initial strain Please enter your supplied question data Q1. (ii) Eo B (hr¹Pa-¹) n IVICUITO Fracture 0.003 Please enter your answers here Your Q1. (i) Answers: 4.60E-34 Q1. (ii) 3.2 Q2. o (Pa) σo (Pa) 780,000,000 Q3. t (hr) 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 E provided to you, determine the design stress for a secondary creep life of 1,000 hrs before attaining a limiting strain, &, of 0.01. Q3. If the same component is subjected to a constant displacement that results in the value of initial stress, o, provided to you, calculate the time for the stress to reduce to 200MPa. Young's modulus of the bolt is E = 200GPa.
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