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ASTM D 6115 : 1997 : R2011

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Mode I Fatigue Delamination Growth Onset of Unidirectional Fiber-Reinforced Polymer Matrix Composites
Available format(s)

Hardcopy , PDF

Superseded date

02-09-2020

Language(s)

English

Published date

01-08-2011

CONTAINED IN VOL. 15.03, 2015 Describes the number of cycles (N) for the onset of delamination growth based on the opening mode 1 cyclic strain energy release rate (G), using the Double Cantilever Beam (DCB) specimen.

1.1 This test method determines the number of cycles (N) for the onset of delamination growth based on the opening mode I cyclic strain energy release rate (G), using the Double Cantilever Beam (DCB) specimen shown in . This test method applies to constant amplitude, tension-tension fatigue loading of continuous fiber-reinforced composite materials. When this test method is applied to multiple specimens at various G-levels, the results may be shown as a G-N curve, as illustrated in Fig 2.

1.2 This test method is limited to use with composites consisting of unidirectional carbon fiber tape laminates with single-phase polymer matrices. This limited scope reflects the experience gained in round robin testing. This test method may prove useful for other types and classes of composite materials, however, certain interferences have been noted (see Section 6.5 of Test Method D 5528).

1.3 The values stated in SI units are to be regarded as standard. The values provided in parentheses are for information only.

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.

Committee
D 30
DocumentType
Test Method
Pages
7
ProductNote
Reconfirmed 2011
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM D 4762 : 2018 Standard Guide for Testing Polymer Matrix Composite Materials
ASTM D 6856/D6856M : 2003 : R2016 Standard Guide for Testing Fabric-Reinforced “Textile” Composite Materials

ASTM E 122 : 2017 : REDLINE Standard Practice for Calculating Sample Size to Estimate, With Specified Precision, the Average for a Characteristic of a Lot or Process
ASTM E 177 : 2014 : REDLINE Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
ASTM D 5229/D5229M : 2014-06 TEST METHOD FOR MOISTURE ABSORPTION PROPERTIES AND EQUILIBRIUM CONDITIONING OF POLYMER MATRIX COMPOSITE MATERIALS
ASTM D 5528 : 2013 : REDLINE Standard Test Method for Mode I Interlaminar Fracture Toughness of Unidirectional Fiber-Reinforced Polymer Matrix Composites
ASTM D 2734 : 2016 : REDLINE Standard Test Methods for Void Content of Reinforced Plastics
ASTM D 3171 : 2015 : REDLINE Standard Test Methods for Constituent Content of Composite Materials

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