HIGH-TEMPERATURE PRESSURE-SHEAR PLATE IMPACT EXPERIMENTS USING PURE TUNGSTEN CARBIDE IMPACTORS

The pressure-shear plate impact experiment has been modified to test m aterials at high temperatures (up to 700 degrees C). Together with the high strain rates characteristic of this experiment (10(6) s(-1)), th e high-temperature capability allows the shearing resistance of materi als to be measured under conditions unattainable with other testing eq uipment. The compressive and shear responses of pure tungsten carbide at different temperatures are presented, as well as the results of one test on OFHC copper at a temperature of 691 degrees C and a shear str ain rate of 1.4 x 10(6) s(-1).