(a)
Interpretation:
The load applied to the specimen during the test needs to be determined.
Concept Introduction:
When a material is subjected to constant load at given period of time, it would break off abruptly indicating the total failure of material. The method of stress rupture is conducted by applying loads using hydrostatic methods like flexural, tensile bending.
(b)
Interpretation:
The length of time during which creep occurs needs to be determined.
Concept Introduction:
Creep is defined as slow deformation of material under
(c)
Interpretation:
The creep rate in
Concept Introduction:
Creep is defined as slow deformation of material under mechanical stress which can result due to long term exposure of high stress levels.
(d)
Interpretation:
The true stress acting on the specimen at the time of rupture needs to be determined.
Concept Introduction:
Application of constant load for specified time period on a material would cause sudden failure which is called as true stress. The stress rupture test is employed using flexural, tensile bending etc.
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Chapter 7 Solutions
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