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ASTM International - ASTM D5687/D5687M-20

Standard Guide for Preparation of Flat Composite Panels with Processing Guidelines for Specimen Preparation

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Organization: ASTM International
Publication Date: 1 October 2020
Status: active
Page Count: 16
ICS Code (Films and sheets): 83.140.10
significance And Use:

5.1 The techniques described in this guide, if properly used in conjunction with a knowledge of behavior of particular material systems, will aid in the proper preparation of consolidated... View More

scope:

1.1 This guide provides guidelines to facilitate the proper preparation of laminates and test specimens from fiber-reinforced organic matrix composite prepregs. The scope is limited to organic matrices and fiber reinforcement in unidirectional (tape) or orthagonal weave patterns. Other forms may require deviations from these general guidelines. Other processing techniques for test coupon preparation, for example, pultrusion, filament winding and resin-transfer molding, are not addressed.

1.2 Specimen preparation is modeled as an 8-step process that is presented in Fig. 1 and Section 8. Laminate consolidation techniques are assumed to be by press or autoclave. This practice assumes that the materials are properly handled by the test facility to meet the requirements specified by the material supplier(s) or specification, or both. Proper test specimen identification also includes designation of process equipment, process steps, and any irregularities identified during processing.

FIG. 1 8 Step Mechanical Test Data Model

Note 1: Material identification is mandatory. Continuous traceability of specimens is required throughout the process.
 Process checks (Appendix X4) may be done at the end of each step to verify that the step was performed to give a laminate or specimen of satisfactory quality.
 Steps 4 and 5 may be interchanged. For aramid fibers, step 5 routinely precedes step 4.
  Steps 6, 7 and 8 may be interchanged.

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

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

ASTM D5687/D5687M-20
October 1, 2020
Standard Guide for Preparation of Flat Composite Panels with Processing Guidelines for Specimen Preparation
1.1 This guide provides guidelines to facilitate the proper preparation of laminates and test specimens from fiber-reinforced organic matrix composite prepregs. The scope is limited to organic...
November 1, 2015
Standard Guide for Preparation of Flat Composite Panels with Processing Guidelines for Specimen Preparation
1.1 This guide provides guidelines to facilitate the proper preparation of laminates and test specimens from fiber-reinforced organic matrix composite prepregs. The scope is limited to organic...
Standard Guide for Preparation of Flat Composite Panels with Processing Guidelines for Specimen Preparation
1.1 This guide provides guidelines to facilitate the proper preparation of laminates and test specimens from fiber-reinforced organic matrix composite prepregs. The scope is limited to organic...
Standard Guide for Preparation of Flat Composite Panels with Processing Guidelines for Specimen Preparation
1.1 This guide provides guidelines to facilitate the proper preparation of laminates and test specimens from fiber-reinforced organic matrix composite prepregs. The scope is limited to organic...
January 1, 1995
Standard Guide for Preparation of Flat Composite Panels with Processing Guidelines for Specimen Preparation
1.1 This document provides guidelines to facilitate the proper preparation of laminates and test specimens from fiber-reinforced organic matrix composite prepregs. The scope is limited to organic...
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