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Norm

ISO 6721-1:2019

Ausgabedatum: 2019 04 29

Plastics — Determination of dynamic mechanical properties — Part 1: General principles

The various parts of ISO 6721 specify methods for the determination of the dynamic mechanical properties of rigid plastics within the region of linear viscoelastic behavi...
Gültig
Herausgeber:
International Organization for Standardization
Format:
Digital | 23 Seiten
Sprache:
Englisch

The various parts of ISO 6721 specify methods for the determination of the dynamic mechanical properties of rigid plastics within the region of linear viscoelastic behaviour. This document specifies the definitions and describes the general principles including all aspects that are common to the individual test methods described in the subsequent parts.

Different deformation modes can produce results that are not directly comparable. For example, tensile vibration results in a stress which is uniform across the whole thickness of the specimen, whereas flexural measurements are influenced preferentially by the properties of the surface regions of the specimen.

Values derived from flexural-test data will be comparable to those derived from tensile-test data only at strain levels where the stress-strain relationship is linear and for specimens which have a homogeneous structure.

ISO 6721-1:2019
2019 04 29
Plastics — Determination of dynamic mechanical properties — Part 1: General principles
Norm
ISO 6721-1:2011
2011 05 11
Plastics — Determination of dynamic mechanical properties — Part 1: General principles
Norm
ISO 6721-1:2001
2001 05 31
Plastics — Determination of dynamic mechanical properties — Part 1: General principles
Norm
ISO 6721-1:1994/Cor 1:1995
1995 03 16
Plastics — Determination of dynamic mechanical properties — Part 1: General principles — Technical C...
Norm
ISO 6721-1:1994
1994 11 03
Plastics — Determination of dynamic mechanical properties — Part 1: General principles
Norm
ISO 537:1989
1989 11 30
Plastics — Testing with the torsion pendulum
Norm
ISO 6721:1983
1983 09 01
Plastics — Determination of damping properties and complex modulus by bending vibration
Norm
ISO 537:1980
1980 03 01
Plastics — Testing with the torsion pendulum
Norm
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