Standard Historical Last Updated: Apr 06, 2016 Track Document
ASTM D3914-02(2008)

Standard Test Method for In-Plane Shear Strength of Pultruded Glass-Reinforced Plastic Rod

Standard Test Method for In-Plane Shear Strength of Pultruded Glass-Reinforced Plastic Rod
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Significance and Use

Shear tests of various kinds are widely used in the reinforced plastics industry to assess the strength of the reinforcement-to-resin bond in polyester-, vinyl ester-, and epoxy-resin composites. In addition to their importance for the generation of data for research and development, quality control, and specification purposes, such tests are of fundamental value to the fibrous reinforcement industry, since they can be used to determine the potential of new sizing systems for the surface treatment of glass fibers.

The in-plane shear strength of pultruded cylindrical composites is an important property from an engineering standpoint, since pultruded rod, as such, is used in many structural applications.


1.1 This test method covers the determination of the in-plane shear strength of pultruded, glass-fiber reinforced, thermosetting plastic rod of diameters ranging from 19 to 32 mm (3/4 to 1¼in.).

1.2 The values stated in SI units are to be regarded as the standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Note 2 and Note 3.

Note 1—There is no similar or equivalent ISO standard.

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Book of Standards Volume: 08.02
Developed by Subcommittee: D20.18
Pages: 5
DOI: 10.1520/D3914-02R08
ICS Code: 83.120