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ASTM D 5418 : 2015

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Plastics: Dynamic Mechanical Properties: In Flexure (Dual Cantilever Beam)
Available format(s)

Hardcopy , PDF

Superseded date

24-11-2023

Language(s)

English

Published date

20-07-2015

This test method outlines the use of dynamic mechanical instrumentation for determining and reporting the viscoelastic properties of thermoplastic and thermosetting resins and composite systems in the form of rectangular bars molded directly or cut from sheets, plates, or molded shapes.

1.1This test method outlines the use of dynamic mechanical instrumentation for determining and reporting the viscoelastic properties of thermoplastic and thermosetting resins and composite systems in the form of rectangular bars molded directly or cut from sheets, plates, or molded shapes. The elastic modulus data generated may be used to identify the thermomechanical properties of a plastics material or composition.

1.2This test method is intended to provide a means for determining the viscoelastic properties of a wide variety of plastics using nonresonant, forced-vibration techniques as outlined in Practice D4065. In particular, this method identifies the procedures used to measure properties using what is known as a dual-cantilever beam flexure arrangement. Plots of the elastic (storage) modulus, loss (viscous) modulus, and complex modulus, and tan delta as a function of frequency, time, or temperature are indicative of significant transitions in the thermomechanical performance of the polymeric material systems.

1.3This test method is valid for a wide range of frequencies, typically from 0.01 to 100 Hz.

1.4Apparent discrepancies may arise in results obtained under differing experimental conditions. These apparent differences from results observed in another study can usually be reconciled, without changing the observed data, by reporting in full (as described in this test method) the conditions under which the data were obtained.

1.5Test data obtained by this test method are relevant and appropriate for use in engineering design.

1.6The values stated in SI units are to be regarded as standard.

1.7This 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.

Note 1:There is no known ISO equivalent to this standard.

Committee
D 20
DocumentType
Test Method
Pages
4
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM D 6382/D6382M : 1999 : R2022 Standard Practice for Dynamic Mechanical Analysis and Thermogravimetry of Roofing and Waterproofing Membrane Material
ASTM D 4065 : 2020 Standard Practice for Plastics: Dynamic Mechanical Properties: Determination and Report of Procedures
ASTM D 6382/D6382M : 1999 : R2017 Standard Practice for Dynamic Mechanical Analysis and Thermogravimetry of Roofing and Waterproofing Membrane Material
ASTM D 4065 : 2012 Standard Practice for Plastics: Dynamic Mechanical Properties: Determination and Report of Procedures

ASTM D 4092 : 2007 : R2013 Standard Terminology for Plastics: Dynamic Mechanical Properties
ASTM D 4065 : 2006 Standard Practice for Plastics: Dynamic Mechanical Properties: Determination and Report of Procedures
ASTM D 4092 : 1996 Standard Terminology: Plastics: Dynamic Mechanical Properties
ASTM D 5279 : 2008 Standard Test Method for Plastics: Dynamic Mechanical Properties: In Torsion
ASTM D 4092 : 2021 Standard Terminology for Plastics: Dynamic Mechanical Properties
ASTM D 4092 :2007 Standard Terminology: Plastics: Dynamic Mechanical Properties
ASTM D 5279 : 2021 Standard Test Method for Plastics: Dynamic Mechanical Properties: In Torsion
ASTM D 4092 : 2001 Standard Terminology: Plastics: Dynamic Mechanical Properties
ASTM D 4065 : 2012 Standard Practice for Plastics: Dynamic Mechanical Properties: Determination and Report of Procedures
ASTM D 5279 : 1999 Standard Test Method for Plastics: Dynamic Mechanical Properties: In Torsion
ASTM D 618 : 2013 Standard Practice for Conditioning Plastics for Testing
ASTM D 5279 : 2013 Standard Test Method for Plastics: Dynamic Mechanical Properties: In Torsion
ASTM D 5279 : 2001 Standard Test Method for Plastics: Dynamic Mechanical Properties: In Torsion
ASTM D 4065 : 1995 Standard Practice for Plastics: Dynamic Mechanical Properties: Determination and Report of Procedures
ASTM D 618 : 2021 Standard Practice for Conditioning Plastics for Testing
ASTM D 4065 : 2001 Standard Practice for Plastics: Dynamic Mechanical Properties: Determination and Report of Procedures

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