ASTM-D3552 Standard Test Method for Tensile Properties of Fiber Reinforced Metal Matrix Composites

ASTM-D3552 - 2017 EDITION - CURRENT
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Standard Test Method for Tensile Properties of Fiber Reinforced Metal Matrix Composites
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Scope

1.1 This test method covers the determination of the tensile properties of metal matrix composites reinforced by continuous and discontinuous high-modulus fibers. Nontraditional metal matrix composites as stated in 1.1.6 also are covered in this test method. This test method applies to specimens loaded in a uniaxial manner tested in laboratory air at either room temperature or elevated temperatures. The types of metal matrix composites covered are:

1.1.1 Unidirectional—Any fiber-reinforced composite with all fibers aligned in a single direction. Continuous or discontinuous reinforcing fibers, longitudinal and transverse properties.

1.1.2 0°/90° Balanced Crossply—A laminate composed of only 0 and 90° plies. This is not necessarily symmetric, continuous, or discontinuous reinforcing fibers.

1.1.3 Angleply Laminate—Any balanced laminate consisting of ± theta plies where theta is an acute angle with respect to a reference direction. Continuous reinforcing fibers without 0° reinforcing fibers (that is, (±45)ns, (±30)ns, and so forth).

1.1.4 Quasi-Isotropic Laminate—A balanced and symmetric laminate for which a constitutive property of interest, at a given point, displays isotropic behavior in the plane of the laminate. Continuous reinforcing fibers with 0° reinforcing fibers (that is, (0/±45/90)s, (0/±30)s, and so forth).

1.1.5 Unoriented and Random Discontinuous Fibers.

1.1.6 Directionally Solidified Eutectic Composites.

1.2 The technical content of this standard has been stable since 1996 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. The standard therefore should not be considered to include any significant changes in approach and practice since 1996. 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 SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes 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, 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.

Significance and Use

5.1 This test method is designed to produce tensile property data for material specifications, research and development, quality assurance, and structural design and analysis. Factors that influence the tensile response and should be reported include the following: material, methods of material preparation and lay-up, specimen stacking sequence, specimen preparation, specimen conditioning, environment of testing, specimen alignment and gripping, speed of testing, time at temperature, and volume percent reinforcement. Properties, in the test direction, which may be obtained from this test method include the following:

5.1.1 Ultimate tensile strength,

5.1.2 Ultimate tensile strain,

5.1.3 Tensile modulus of elasticity, and

5.1.4 Poissons ratio.

Keywords

composite materials; metal matrix; modulus of elasticity; strain at fracture; tensile properties; tensile strength;; ICS Number Code 83.100 (Cellular materials); 83.120 (Reinforced plastics)

To find similar documents by ASTM Volume:

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

To find similar documents by classification:

83.100 (Cellular materials)

83.120 (Reinforced plastics Materials for the reinforcement of plastics, see 59.100)

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Document Number

ASTM-D3552-17

Revision Level

2017 EDITION

Status

Current

Modification Type

Revision

Publication Date

Oct. 15, 2017

Document Type

Test Method

Page Count

9 pages

Committee Number

D30.04