ASTM C393/C393M, Standard Test Method for Core Shear Properties of Sandwich Constructions by Beam Flexure, is the test method for flexural properties.
ASTM C393/C393M Standard Test Method for Core Shear Properties of Sandwich Constructions by Beam Flexure
At a Glance
Document type: Test Method.
Edition: active, current edition C393/C393M-20.
Property determined: flexural properties.
Scope
Determination of the core shear properties of flat sandwich constructions subjected to flexure so that the applied moments produce curvature of the sandwich facing planes.
Limited to obtaining core shear strength or core-to-facing shear strength and the stiffness of the sandwich beam, and load-deflection data for calculating flexural and shear stiffness per Practice D7250/D7250M.
What the Result Tells You
A test to ASTM C393/C393M characterises the flexural properties of the material or assembly under the conditions the method fixes: specimen form, rate of loading and the environment in which the test is run.
Because the numbers depend on those fixed conditions, a result is only meaningful when the report names the standard, the edition and any options the method allows.
Equipment for This Standard
Equipment on our site referenced against ASTM C393/C393M:
Composite Grips and Fixtures for Tensile, Shear, and Delamination Tests
Reading the Designation
ASTM C393/C393M: a dual designation. One half carries the inch-pound version and the other the SI version. The two systems are used independently, never mixed inside a single report.
When a drawing, purchase order or quality procedure cites this document, the test setup, the specimen and the report follow that citation.
Get Help With ASTM C393/C393M
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