Abstract
A method of determining the compressive mechanical properties of thin sheet material is presented. The test jig, specimen, and details of the testing procedure are described, and the detection of buckling and the measurement of friction between the specimen and the jig are discussed. As a rule, this friction is low enough to be ignored but may be readily determined for each specimen. Results of tests by the pack method, the cylinder method, and the method described, on 0.035-in. thick steel, are given. These indicated good agreement among the three methods. Tests on 0.040-in. thick R301-T aluminum alloy show consistent results from specimen to specimen. Results of tests of 0.020-in. thick clad 24S-T and 0.016-in. thick clad 75S-T aluminum alloys are also given. Test results are presented as stress-strain diagrams. Ease of specimen preparation, simplicity of the jig, and the assurance of low friction between the specimen and its supporting plates are advantages of the test method described.
Published Version
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