Research Scientist, New York University, New York, N. Y.
Associate Director of Research, New York University, New York, N. Y.
Pages: 21 Published: Jan 1962
Information on a novel compression testing machine and extensometer system for both short- and long-time testing at elevated temperatures is presented. In combination with a lateral solid or ball-bearing support guide compression jig, this system has been used to obtain compressive stress-strain and creep data on sheet materials. The compression unit is horizontal in operation which results in low spatial temperature variations in the test region. A pneumatic loading system permits accurate control during the loading phase and avoids undesirable seismic effects during creep. The elevated-temperature extensometer utilizes differential capacitor sensors which combine a high sensitivity for accurate determination of elastic modulus with a long linear response range. Sheet compression tests were performed in a jig having lateral solid or ball-bearing support guides. Short-time and creep data are presented for a number of sheet titanium alloys up to 950 F.
Paper ID: STP46990S