Sivaprasad, S and Tarafder, S and Das, Swapan K and Ranganath, V R and Ray, K K (2001) The role of stereology in estimation of ductile fracture toughness of structural materials. Image Analysis in Materials and Life Sciences . pp. 86-95.
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The stretch zone ahead of a crack tip in a ductile material governs its fracture toughness. A unique stereological procedure is suggested in this report to determine the nature of the stretch zone by measurement of its height and width. This procedure does not pre-assume the shape of the stretch zone as has been done in the ASTM standard E813, and is capable of explaining J integral fracture toughness in a generalized way. A series of seterological measurements of the nature of stretch zones in two micro-alloyed steels illustrate the potential of the suggested technique.
|Uncontrolled Keywords:||setero imaging; stretch zone; ductile fracture|
|Divisions:||Material Science and Technology|
|Deposited By:||INVALID USER|
|Deposited On:||20 Jul 2011 11:08|
|Last Modified:||09 Feb 2012 16:48|
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