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ASTM International - ASTM E1922-97

Standard Test Method for Translaminar Fracture Toughness of Laminated Polymer Matrix Composite Materials

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Organization: ASTM International
Publication Date: 11 June 1999
Status: inactive
Page Count: 5
ICS Code (Laminated sheets): 83.140.20
scope:

1.1 This test method covers the determination of translaminar fracture toughness, KTL, for laminated polymer matric composite materials of various ply orientations using test results from monotonically loaded notched specimens.

1.2 This test method is applicable to room temperature laboratory air environments.

1.3 Composite materials that can be tested by this test method are not limited by thickness or by type of polymer matrix or fiber, provided that the specimen sizes and the test results meet the requirements of this test method. This test method was developed primarily from test results of various carbon fiber - epoxy matrix laminates and from additional results of glass fiber - epoxy matrix and carbon fiber - bismaleimide matrix laminates (1-4).

1.4 A range of eccentrically loaded, single-edge-notch tension, ESE (T), specimen sizes with proportional planar dimensions is provided, but planar size may be variable and adjusted, with associated changes in the applied test load. Specimen thickness is a variable, independent of planar size.

1.5 Specimen configurations other than those contained in this test method may be used, provided that stress intensity calibrations are available and that the test results meet the requirements of this test method. It is particularly important that the requirements discussed in 5.1 and 5.4 regarding contained notch-tip damage be met when using alternative specimen configurations.

1.6 Values stated in SI units are to be regarded as the standard.

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.

Document History

May 1, 2015
Standard Test Method for Translaminar Fracture Toughness of Laminated and Pultruded Polymer Matrix Composite Materials
1.1 This test method covers the determination of translaminar fracture toughness, KTL, for laminated and pultruded polymer matrix composite materials of various ply orientations using test results...
October 1, 2010
Standard Test Method for Translaminar Fracture Toughness of Laminated and Pultruded Polymer Matrix Composite Materials
1.1 This test method covers the determination of translaminar fracture toughness, KTL, for laminated and pultruded polymer matrix composite materials of various ply orientations using test results...
May 1, 2004
Standard Test Method for Translaminar Fracture Toughness of Laminated and Pultruded Polymer Matrix Composite Materials
The parameter KTL determined by this test method is a measure of the resistance of a polymer matrix composite laminate to notch-tip damage and effective translaminar crack growth under opening mode...
ASTM E1922-97
June 11, 1999
Standard Test Method for Translaminar Fracture Toughness of Laminated Polymer Matrix Composite Materials
1.1 This test method covers the determination of translaminar fracture toughness, KTL, for laminated polymer matric composite materials of various ply orientations using test results from...
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