Use of Simple Models to Estimate Effect of Density on Fracture Behaviour of Sintered Steel

Authors: Fleck, N. A.; Smith, R. A.

Source: Powder Metallurgy, Number 3, 1981 , pp. 126-130(5)

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Abstract:

Two material models are developed to estimate the effect of density on the static and cyclic fracture behaviour of a sintered steel. The models are based on the known micromechanisms of failure for each type of loading. Theoretical predictions are compared with previous experimental results taken from a companion paper (preceding). The two models successfully account for the variation of yield stress, ultimate tensile stress, and fracture toughness with density. They prove less successful in predicting the effect of density on fatigue crack propagation behaviour. PM/0198

Document Type: Research Article

Publication date: 1981-01-01

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