SEDL / STP / STP567-EB / STP32227S

Effects of Cavitation on Materials in Field and Laboratory Conditions

Steller, K
Doctor of engineering and mechanical engineer, Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Gdańsk,

Krzysztofowicz, T
Doctor of engineering and lecturer, Technical University, Gdańsk,

Reymann, Z
Doctor of engineering and mechanical engineer, Institute of Fluid-Flow Machinery, Polish Academy of Sciences, Gdańsk,

Pages: 19    Published: Jan 1974

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Abstract

The behavior of certain materials exposed to cavitation, in field as well as laboratory conditions, was observed. The investigations were aimed at uncovering differences as well as singularities occurring in cavitation damage processes and determining the efficiency of comparing “cavitational resistance” of material on the basis of testing specimens under various conditions. Observations of specimen surfaces geometric structure were made together with measurements of the specimen destruction rate, microscopic observations of upper layers of material surface, and hardness measurements.