ASTM D6115-97

Standard Test Method for Mode I Fatigue Delamination Growth Onset of Unidirectional Fiber-Reinforced Polymer Matrix Composites

STANDARD published on 10.4.1997

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The information about the standard:

Designation standards: ASTM D6115-97
Note: WITHDRAWN
Publication date standards: 10.4.1997
SKU: NS-33848
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM D6115-97 :

Keywords:

composite materials, delamination, double cantilever beam, frequency, maximum cyclic stain energy release rate, mode I, onset of fatigue delamination growth, ICS Number Code 83.120 (Reinforced plastics)

Additional information

1. Scope

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 specimen shown in Fig 1. 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.

2. Referenced Documents

E739-23	Standard Guide for Statistical Analysis of Linear or Linearized Stress-Life (S-N) and Strain-Life (?-N) Fatigue Data (Withdrawn 2024)
E1049-85(2023)	Standard Practices for Cycle Counting in Fatigue Analysis
D2584-25	Standard Test Method for Ignition Loss of Cured Reinforced Resins
D2651-01(2024)	Standard Guide for Preparation of Metal Surfaces for Adhesive Bonding
D2734-23	Standard Test Methods for Void Content of Reinforced Plastics
D3171-22	Standard Test Methods for Constituent Content of Composite Materials
D3878-26	Standard Terminology for Composite Materials
D5229/D5229M-20	Standard Test Method for Moisture Absorption Properties and Equilibrium Conditioning of Polymer Matrix Composite Materials
D5528-13	Standard Test Method for Mode I Interlaminar Fracture Toughness of Unidirectional Fiber-Reinforced Polymer Matrix Composites
E4-24	Standard Practices for Force Calibration and Verification of Testing Machines
E6-25	Standard Terminology Relating to Methods of Mechanical Testing
E122-17(2022)	Standard Practice for Calculating Sample Size to Estimate, With Specified Precision, the Average for a Characteristic of a Lot or Process
E177-26a	Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods (Includes all amendments and changes 5/14/2026).
E456-13a(2022)e1	Standard Terminology Relating to Quality and Statistics (Includes all amendments and changes 4/16/2024).
E467-21	Standard Practice for Verification of Constant Amplitude Dynamic Forces in an Axial Fatigue Testing System
E691-23	Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E1150-87(1993)	Definitions of Terms Relating to Fatigue (Withdrawn 1996)
D883-26a	Standard Terminology Relating to Plastics (Includes all amendments and changes 6/15/2026).

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