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ASTM D 4255/D4255M : 2015 : REV A

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 In-Plane Shear Properties of Polymer Matrix Composite Materials by the Rail Shear Method
Available format(s)

Hardcopy , PDF

Superseded date

24-10-2020

Language(s)

English

Published date

15-05-2015

1.1This test method determines the in-plane shear properties of high-modulus fiber-reinforced composite materials by either of two procedures. In Procedure A, laminates clamped between two pairs of loading rails are tested. When loaded in tension the rails introduce shear forces in the specimen. In Procedure B, laminates clamped on opposite edges with a tensile or compressive force applied to a third pair of rails in the center are tested.

1.2Application of this test method is limited to continuous-fiber or discontinuous-fiber-reinforced polymer matrix composites in the following material forms:

1.2.1Laminates composed only of unidirectional fibrous laminae, with the fiber direction oriented either parallel or perpendicular to the fixture rails.

1.2.2Laminates composed only of woven fabric filamentary laminae with the warp direction oriented either parallel or perpendicular to the fixture rails.

1.2.3Laminates of balanced and symmetric construction, with the 0° direction oriented either parallel or perpendicular to the fixture rails.

1.2.4Short-fiber-reinforced composites with a majority of the fibers being randomly distributed.

Note 1:Additional test methods for determining in-plane shear properties of polymer matrix composites may be found in Test Methods D3518/D3518M, D5379/D5379M, D5448/D5448M, and D7078/D7078M.

1.3The reproducibility of this test method can be affected by the presence of shear stress gradients in the gage section and stress concentrations at the gripping areas. Test Methods D5379/D5379M and D7078/D7078M provide superior shear response in comparison to this test method, as their specimen configurations produce a relatively pure and uniform shear stress state in the gage section.

1.4The technical content of this standard has been stable since 2001 without significant objection from its stakeholders. As there is limited technical support for the maintenance of this standard, changes since that date have been limited to items required to retain consistency with other ASTM D30 Committee standards, including editorial changes and incorporation of updated guidance on micrometers and calipers, strain gage requirements, speed of testing, specimen preconditioning and environmental testing. Future maintenance of the standard will only be in response to specific requests and performed only as technical support allows.

1.5The 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 exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.

1.5.1Within the text the inch-pounds units are shown in brackets.

1.6This 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
14
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

ASTM D 3171 : 1999 Standard Test Methods for Constituent Content of Composite Materials
ASTM D 2584 : 2002 Standard Test Method for Ignition Loss of Cured Reinforced Resins
ASTM D 3878 : 2002 : REV A Standard Terminology for Composite Materials
ASTM E 1237 : 1993 : R1998 Standard Guide for Installing Bonded Resistance Strain Gages
ASTM D 3878 : 2015 Standard Terminology for Composite Materials
ASTM D 2584 : 2008 Standard Test Method for Ignition Loss of Cured Reinforced Resins
ASTM E 1434 : 2000 : R2013 Standard Guide for Recording Mechanical Test Data of Fiber-Reinforced Composite Materials in Databases (Withdrawn 2015)
ASTM D 3878 : 2019 Standard Terminology for Composite Materials
ASTM D 3878 : 2000 Standard Terminology Composite Materials
ASTM D 2584 : 1994 Standard Test Method for Ignition Loss of Cured Reinforced Resins
ASTM D 3171 : 2011 Standard Test Methods for Constituent Content of Composite Materials
ASTM D 2734 : 2016 Standard Test Methods for Void Content of Reinforced Plastics
ASTM E 1471 : 1992 : R2008 Standard Guide for Identification of Fibers, Fillers, and Core Materials in Computerized Material Property Databases
ASTM D 3878 : 2003 : REV A Standard Terminology for Composite Materials
ASTM D 2584 : 2011 Standard Test Method for Ignition Loss of Cured Reinforced Resins
ASTM E 1237 : 1993 : R2009 Standard Guide for Installing Bonded Resistance Strain Gages
ASTM D 3878 : 2016 Standard Terminology for Composite Materials
ASTM E 1309 : 2000 Standard Guide for Identification of Fiber-Reinforced Polymer-Matrix Composite Materials in Databases
ASTM E 1471 : 1992 : R1998 Standard Guide for Identification of Fibers, Fillers, and Core Materials in Computerized Material Property Databases
ASTM D 3878 : 2019 : REV A Standard Terminology for Composite Materials
ASTM D 3878 : 2020 : REV A Standard Terminology for Composite Materials
ASTM D 3878 : 1998 Standard Terminology Composite Materials
ASTM D 3878 : 2018 Standard Terminology for Composite Materials
ASTM E 1434 : 2000 Standard Guide for Recording Mechanical Test Data of Fiber-Reinforced Composite Materials in Databases
ASTM D 3171 : 2009 Standard Test Methods for Constituent Content of Composite Materials
ASTM D 3878 : 2002 Standard Terminology for Composite Materials
ASTM E 1237 : 1993 : R2003 Standard Guide for Installing Bonded Resistance Strain Gages
ASTM E 1471 : 1992 : R2014 Standard Guide for Identification of Fibers, Fillers, and Core Materials in Computerized Material Property Databases (Withdrawn 2015)
ASTM D 2584 : 1968 Standard Method Of Test For Ignition Loss Of Cured Reinforced Resins
ASTM D 3878 : 2004 Standard Terminology for Composite Materials
ASTM E 1237 : 1993 : R2014 Standard Guide for Installing Bonded Resistance Strain Gages
ASTM D 2734 : 1994 Standard Test Methods for Void Content of Reinforced Plastics
ASTM D 3878 : 2007 : R2013 Standard Terminology for Composite Materials
ASTM E 1309 : 2000 : R2011 Standard Guide for Identification of Fiber-Reinforced Polymer-Matrix Composite Materials in Databases (Withdrawn 2015)
ASTM D 3878 : 2020 : REDLINE Standard Terminology for Composite Materials
ASTM D 3878 : 2020 Standard Terminology for Composite Materials
ASTM D 2584 : 2018 Standard Test Method for Ignition Loss of Cured Reinforced Resins
ASTM E 1471 : 1992 : R2004 Standard Guide for Identification of Fibers, Fillers, and Core Materials in Computerized Material Property Databases
ASTM D 3878 : 2003 Standard Terminology for Composite Materials
ASTM D 3878 : 2007 Standard Terminology for Composite Materials
ASTM D 2734 : 2009 Standard Test Methods for Void Content of Reinforced Plastics
ASTM D 3171 : 1999 : R2004 Standard Test Methods for Constituent Content of Composite Materials
ASTM E 1309 : 2000 : R2005 Standard Guide for Identification of Fiber-Reinforced Polymer-Matrix Composite Materials in Databases
ASTM D 3171 : 2015 Standard Test Methods for Constituent Content of Composite Materials
ASTM D 3878 : 2004 : REV A Standard Terminology for Composite Materials
ASTM D 3171 : 2006 Standard Test Methods for Constituent Content of Composite Materials
ASTM E 1434 : 2000 : R2006 Standard Guide for Recording Mechanical Test Data of Fiber-Reinforced Composite Materials in Databases
ASTM D 3878 : 2001 Standard Terminology Composite Materials

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