ASTM-D5449 Standard Test Method for Transverse Compressive Properties of Hoop Wound Polymer Matrix Composite Cylinders

ASTM-D5449 - 2016 EDITION - CURRENT
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Standard Test Method for Transverse Compressive Properties of Hoop Wound Polymer Matrix Composite Cylinders
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Scope

1.1 This test method determines the transverse compressive properties of wound polymer matrix composites reinforced by high-modulus continuous fibers. It describes testing of hoop wound (90°) cylinders in axial compression for determination of transverse compressive properties.

1.2 The technical content of this standard has been stable since 1993 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 specimen preconditioning and environmental testing. The standard, therefore, should not be considered to include any significant changes in approach and practice since 1993. Future maintenance of the standard will only be in response to specific requests and performed only as technical support allows.

1.3 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 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.

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

Significance and Use

5.1 This test method is designed to produce transverse compressive property data for material specifications, research and development, quality assurance, and structural design and analysis. Factors that influence the transverse compressive response and should therefore be reported are: material, method of material preparation, specimen preparation, specimen conditioning, environment of testing, specimen alignment and gripping, speed of testing, void content, and fiber volume fraction. Properties in the test direction that may be obtained from this test method are:

5.1.1 Transverse compressive strength, σ22uc,

5.1.2 Transverse compressive strain at failure, ε22uc,

5.1.3 Transverse compressive modulus of elasticity, E22, and

5.1.4 Poisson's ratio, γ21.

Keywords

composite materials; filament winding; Poisson's ratio; transverse compressive properties; transverse compressive strength; transverse modulus of elasticity; tubes ;; ICS Number Code 83.140.20 (Laminated sheets)

To find similar documents by ASTM Volume:

15.03 (Space Simulation; Aerospace and Aircraft; Composite Materials)

To find similar documents by classification:

83.140.20 (Laminated sheets)

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Document Number

ASTM-D5449/D5449M-16

Revision Level

2016 EDITION

Status

Current

Modification Type

Revision

Publication Date

July 15, 2016

Document Type

Test Method

Page Count

10 pages

Committee Number

D30.04