MICROSTRUCTURE, CREEP AND FAILURE: A PROGRAM FOR GRADUATE EDUCATION AND RESEARCH IN HIGH TEMPERATURE MATERIALS.
WESTINGHOUSE ELECTRIC CORP PITTSBURGH PA
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The accomplishments of the program are 1 The growth of large amounts of the Ni-Cr lamellar composites in diameters up to 4 cm, with 1 cm a routine operation. The degree of perfection has been markedly improved, but single crystals are not yet available. 2 The preparation of fine grained ZrO2 with greater density than that obtained by conventional hot pressing. 3 The setting up of several sets of fatigue equipment covering the range from room-temperature low-cycle testing in air to 800 degrees C in a vacuum of 10 to the 9th power torr or better. 4 The demonstration in various experiments on Ni-Cr composites of notable differences in uniaxial properties and in creep failure mechanisms and times caused by simple variations in microstructure. 5 The design, building and near completion of several pieces of complicated equipment by the graduate students. Author
- Ceramics, Refractories and Glass
- Properties of Metals and Alloys