Stress theory for brittle materials

Q.  Which theory gives satisfactory results for brittle materials?
- Published on 21 Sep 15

a. Maximum shear stress theory
b. Maximum principle stress theory
c. Shear strain energy theory
d. None of the above

ANSWER: Maximum principle stress theory

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    Discussion

  • Sravanthi   -Posted on 25 Nov 15
    - Different theories of failures are developed depending upon physical behavior of materials.

    - Maximum principal stress theory is one of the theory which is called as Rankine's theory.

    - According to this theory, in simple tensile test, when maximum principle stress reaches the value of yield point, the material subjected to complex stresses fail.

    - Principle stress is less than equal to yield point stress.

    - Rankine's theory is suitable for brittle materials.

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