ASTM D5379/D5379M-19e1
Standard Test Method for Shear Properties of Composite Materials by the V-Notched Beam Method

Standard No.

ASTM D5379/D5379M-19e1

Release Date

2019

Published By

American Society for Testing and Materials (ASTM)

Latest

ASTM D5379/D5379M-19e1

Scope

1.1 This test method covers the shear properties of composite materials reinforced by high-modulus fibers. The composite materials are limited to continuous-fiber or discontinuousfiber-reinforced composites in the following material forms: 1.1.1 Laminates composed only of unidirectional fibrous laminae, with the fiber direction oriented either parallel or perpendicular to the loading axis. 1.1.2 Laminates composed only of woven fabric filamentary laminae with the warp direction oriented either parallel or perpendicular to the loading axis. 1.1.3 Laminates composed only of unidirectional fibrous laminae, containing equal numbers of plies oriented at 0 and 90° in a balanced and symmetric stacking sequence, with the 0° direction oriented either parallel or perpendicular to the loading axis. 1.1.4 Short-fiber-reinforced composites with a majority of the fibers being randomly distributed. NOTE 1—This shear test concept was originally developed without reference to fiber direction for use on isotropic materials such as metals or ceramics. 1.2 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. 1.2.1 Within the text, the inch-pound units are shown in brackets. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 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.

ASTM D5379/D5379M-19e1 Referenced Document

• ASTM D2584 Standard Test Method for Ignition Loss of Cured Reinforced Resins
• ASTM D2734 Standard Test Methods for Void Content of Reinforced Plastics
• ASTM D3171 Standard Test Methods for Constituent Content of Composite Materials
• ASTM D3878 Standard Terminology Composite Materials
• ASTM D5229/D5229M Standard Test Method for Moisture Absorption Properties and Equilibrium Conditioning of Polymer Matrix Composite Materials
• ASTM D792 Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
• ASTM D883 Standard Terminology Relating to Plastics*， 2024-02-01 Update
• ASTM E111 Standard Test Method for Young''s Modulus, Tangent Modulus, and Chord Modulus
• ASTM E122 Standard Practice for Calculating Sample Size to Estimate, With a Specified Tolerable Error, the Average for Characteristic of a Lot or Process
• ASTM E1237 Standard Guide for Installing Bonded Resistance Strain Gages
• ASTM E177 Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods
• ASTM E251 Standard Test Methods for Performance Characteristics of Metallic Bonded Resistance Strain Gages
• ASTM E4 Standard Practices for Force Verification of Testing Machines
• ASTM E456 Standard Terminology for Relating to Quality and Statistics
• ASTM E6 Standard Terminology Relating to Methods of Mechanical Testing

ASTM D5379/D5379M-19e1 history

• 2019 ASTM D5379/D5379M-19e1 Standard Test Method for Shear Properties of Composite Materials by the V-Notched Beam Method
• 2019 ASTM D5379/D5379M-19 Standard Test Method for Shear Properties of Composite Materials by the V-Notched Beam Method
• 2012 ASTM D5379/D5379M-12 Standard Test Method for Shear Properties of Composite Materials by the V-Notched Beam Method
• 2005 ASTM D5379/D5379M-05 Standard Test Method for Shear Properties of Composite Materials by the V-Notched Beam Method
• 1998 ASTM D5379/D5379M-98 Standard Test Method for Shear Properties of Composite Materials by the V-Notched Beam Method