SN EN ISO 6721-2 : 2008
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
PLASTICS - DETERMINATION OF DYNAMIC MECHANICAL PROPERTIES - PART 2: TORSION-PENDULUM METHOD
01-12-2019
12-01-2013
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)
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