A New Facility for Evaluation of Materials Subject to Erosion and Cavitation Damage

摘要

A new type of test facility for simulating accelerated cavitation damage is described. The facility consists of a rotor with a material specimen attached at the periphery in such a manner that there is repeated impact with a column of liquid droplets during high-speed rotation of the specimen. Preliminary tests indicate that weight loss from a specimen due to erosion follows the same trend as that produced in cavitation damage facilities. Enhanced ability to control impact conditions in this facility permits detailed study of the mechanics of failure. (Author)