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NEN EN ISO 6721-2 : 2008

Current

Current

The latest, up-to-date edition.

PLASTICS - DETERMINATION OF DYNAMIC MECHANICAL PROPERTIES - PART 2: TORSION-PENDULUM METHOD

Published date

12-01-2013

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Committees responsible
National foreword
Foreword
Method
1 Scope
2 Normative reference
3 Definitions
4 Principle
5 Test apparatus
6 Test specimens
7 Number of specimens
8 Conditioning
9 Procedure
10 Expression of results
11 Precision
12 Test report
Annexes
A (normative) Influence of longitudinal force W
B (informative) Damping correction factor Fd
C (informative) Dimensional correction factor Fc
D (informative) Bibliography
Figures
1 Apparatus for method A
2 Apparatus for method B
3 Amplitude X versus line t for damped vibrations
    showing a baseline shift
C.1 Relative error Fc/Fc involved in calculating the
    dimensional correction factor Fc using the
    approximate equations (2), (3) and (C.2) rather than
    the exact equation (C.1)

Defines two methods (A and B) for determining the linear dynamic mechanical properties of plastics, i.e. the storage and loss components of the torsional modulus, as a function of temperature, for small deformations within the frequency range from 0,1 Hz to 10 Hz.

DevelopmentNote
Supersedes NEN ISO 537. (07/2003)
DocumentType
Standard
PublisherName
Netherlands Standards
Status
Current
Supersedes

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