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Standard Test Method for Core Shear Properties of Sandwich Constructions by Beam Flexure
This test is for the determination of the compressive strength and modulus of sandwich core materials.
After conditioning and machining the specimen to appropriate specifications, the specimen is centered on the lower platen. Proper centering is crucial to achieve uniform loading. Preloading is required before proceeding with the test.
Ultimate flatwise compressive strength, ultimate force prior to failure.
Loading platens, Instron test frame.