1966•British Journal of Applied PhysicsOpen access

Adiabatic models for deformation and cavitation in polystyrene

F Drabble, R. N. Haward, W. Johnson

Abstract

Simplified expressions are derived for the adiabatic deformation of polystyrene based on a simplified model. The material is assumed to be elastic-perfectly plastic with the yield stress a linear function of the temperature. The behaviour of the material under simple tension and compression is discussed and the elastic-plastic expansion of a spherical cavity is examined. It is found that the difference in energy requirements for adiabatic and isothermal cavitation is about 15%.

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Key concepts: Adiabatic process, Cavitation, Materials science, Deformation (meteorology), Isothermal process, Polystyrene, Compression (physics), Tension (geology)