Concept explainers
The stress at which first crack is formed in the composite under isostrain condition.
Answer to Problem 84AAP
The stress at which first crack is formed in the composite under isostrain condition is on
Explanation of Solution
Write the expression to calculate strain on the composite
Here, stress on the composite is
Write the fracture-toughness equation for the composite.
Here, fracture-toughness of the composite is
For the isostrain conditions, the strain on the composite will be equal to strain on the matrix and strain on the fiber respectively.
Here, strain on the
Considering the
Here, fracture-toughness of the
Considering the
Here, fracture-toughness of the
Conclusion:
Substitute
Substitute
When compared to
Thus, the stress at which first crack is formed in the composite under isostrain condition is on
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Chapter 12 Solutions
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