A note on the distribution of cavities during creep
- 1 November 1969
- journal article
- other
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 20 (167) , 1079-1082
- https://doi.org/10.1080/14786436908228075
Abstract
The angular distributions for grain-boundary cavities have been measured on a microsection for 70% Cu—30% Zn alpha-brass with a range of grain sizes after straining at a constant rate of 10—2 hr—1 at 450°c in an argon atmosphere. The histograms have been converted to a three-dimensional least-squares curve-fitted distribution. Under these conditions of testing a marked effect of grain size is observed so that at 55 μm average diameter the cavities are predominantly at 45° to the tensile axis whilst at 430 μm diameter the cavities most frequently occur at 90° to the tensile axis. The conclusion is reached that at fine grain sizes sliding is more important in the mechanism of cavity growth than at coarse grain sizes.Keywords
This publication has 4 references indexed in Scilit:
- The effect of creep rate on the mechanism of cavity growthPhilosophical Magazine, 1967
- Void growth during secondary creepPhilosophical Magazine, 1965
- The plastic deformation of polycrystalline aggregatesPhilosophical Magazine, 1962
- The growth of grain-boundary voids under stressPhilosophical Magazine, 1959