An Experimental Study on the Compressive Biaxial Strength of Ceramics
Annual technical rept. no. 1, 1 Oct 1970-31 Oct 1971
CALIFORNIA UNIV LOS ANGELES SCHOOL OF ENGINEERING AND APPLIED SCIENCE
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The factors in the testing of very brittle materials which can prevent the true strength from being realized are identified. An externally pressurized, closed end, cylindrical specimen is used to attain 21 biaxial compression. The first of a series of planned tests has been performed and 585, 000 psi was measured for the 21 biaxial compressive strength of an alumina. This is 31 higher than the uniaxial compressive strength. A description of the testing equipment is given. Two analyses are presented. One deals with the buckling characteristics of the test specimen. The other presents the compliance analysis used to design a 11 prestressing fixture.
- Ceramics, Refractories and Glass