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A Preliminary Study on the Behavior of Notched Ni3Al(B): Fracture Mode Transition
Published online by Cambridge University Press: 01 January 1992
Abstract
Tensile tests have been carried out on notched Ni3Al(B) specimens with different thickness/width ratios. The result indicate a transition in the fracture mode upon increasing the specimen thickness, from ductile transgranular to intergranular fracture. Experiments at high strain rates show that the transition cannot be explained in terms of the strain rate at the root of the notch. Rather, it is explained in terms of an increasing degree of triaxiality of the stress state.
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- Copyright © Materials Research Society 1995