ASTM-D6742 2012

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D6742/D6742M-12 Standard Practice for Filled-Hole Tension and Compression Testing of Polymer Matrix Composite Laminates

Published By	Publication Date	Number of Pages
ASTM	2012	7

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Category: ASTM

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Description

1.1 This practice provides instructions for modifying open-hole tension and compression test methods to determine filled-hole tensile and compressive strengths. The composite material forms are limited to continuous-fiber reinforced polymer matrix composites in which the laminate is both symmetric and balanced with respect to the test direction. The range of acceptable test laminates and thicknesses are described in 8.2.1.

1.2 This practice supplements Test Methods (for tension testing) and D6484/D6484M (for compression testing) with provisions for testing specimens that contain a close-tolerance fastener or pin installed in the hole. Several important test specimen parameters (for example, fastener selection, fastener installation method, and fastener hole tolerance) are not mandated by this practice; however, repeatable results require that these parameters be specified and reported.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.3.1 Within the text the inch-pound units are shown in brackets.

1.4 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.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Practice Significance and Use Interferences
3	Apparatus Sampling and Test Specimens Calibration Conditioning
4	Procedure TABLE 1
5	Validation Calculation FIG. 1
6	FIG. 2 FIG. 3
7	Report Precision and Bias Keywords REFERENCES

Additional information

Standard Title	D6742/D6742M-12 Standard Practice for Filled-Hole Tension and Compression Testing of Polymer Matrix Composite Laminates
Published Code	ASTM
Publication Date	2012
Pages Count	7

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ASTM-D6742 2012

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