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Critical Survey of Mechanical Property Test-Methods for Brittle Materials

Report Number: ASD TDR 63-491
Author: Shook, William B.
Corporate Author: Ohio State University
Laboratory: AF Materials Laboratory
Date of Publication: 1963-07
Pages: 149
Contract: AF 33(657)-8064
Project: 7381
Task: 738105
AD Number: AD0417621

A critical survey of the state-of-the-art mechanical property tests of brittle materials are presented. The format utilized in presenting the information is based on property categories, since no significant breakdown for specific materials is justified. The common characteristics of the materials included in the survey permit general testing procedures to be discussed, with special adaptations developed for certain materials being applicable to all. The capabilities in programming test performance variables have exceeded the ability to define materials and performance requirements. Large gaps still remain in the statistical interpretation of strength and other material parameters, particularly under conditions of complex stress-state and with previous exposure to testing conditions. Certain probabilistic descriptors have shown promising indications, but much remains to be explored in this area.

Lockheed Martin Missiles & Fire Control
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