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ASTM-D6415:2006 Edition

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D6415/D6415M-06 Standard Test Method for Measuring the Curved Beam Strength of a Fiber-Reinforced Polymer-Matrix Composite

Published By Publication Date Number of Pages
ASTM 2006 10
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1.1 This test method determines the curved beam strength of a continuous fiber-reinforced composite material using a 90 curved beam specimen (Fig 1 and Fig 2). The curved beam consists of two straight legs connected by a 90 bend with a 6.4-mm [0.25 mm] inner radius. An out-of-plane (through-the-thickness) tensile stress is produced in the curved region of the specimen when force is applied. This test method is limited to use with composites consisting of layers of fabric or layers of unidirectional fibers.

1.2 This test method may also be used to measure the interlaminar tensile strength if a unidirectional specimen is used where the fibers run continuously along the legs and around the bend.

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.

1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text the inch-pound units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
FIG. 1
FIG. 2
2 Terminology
Summary of Test Method
Significance and Use
Interferences
3 Apparatus
FIG. 3
4 Sampling and Test Specimens
Calibration
Conditioning
Procedure
5 FIG. 4
6 Validation
Calculation
FIG. 5
7 Report
8 Precision and Bias
Keywords
X1. BEARING FIXTURES
9 FIG. X1.1
10 FIG. X1.2
ASTM-D6415
$40.63