The fracture stress according to Irwin s modification is given as ____ – McqOptions

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1.	The fracture stress according to Irwin s modification is given as ________
A.	(E <sub>c</sub>/ a)<sup>1/2</sup>
B.	(E <sub>c</sub>/ a)
C.	(E <sub>c</sub>/2 a)<sup>1/2</sup>
D.	(E <sub>c</sub>/2 a)
Answer» B. (E <sub>c</sub>/ a)

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