A Device for Production Testing the Tensile Strength of Ceramic Rings.

摘要

The device described below was developed for better quality control of ceramic rings used in transducer construction. Previous tests conducted by Stanford Research Institute indicate that about 6% of the rings used in constructing TR-208 transducer elements have abnormally low tensile strength. This means that there is approximately 25% probability that a finished transducer element with a 4 ring stack will have at least one abnormally weak ring. This production test device is used to stress each ring to a safe working level, approximately 60% of tensile yield strength and thereby eliminate any faulty rings before they are used in a transducer assembly.