The minimum thickness of the material to achieve the condition of pla

1.	The minimum thickness of the material to achieve the condition of plane strain is given by ______
A.	B=2.5 (KIC/σo)
B.	B=2.5 (KIC/σo)2
C.	B=2.5 (KIC/σo)1/2
D.	B=2.5 (KIC/σo)-1/2
Answer» C. B=2.5 (KIC/σo)1/2

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