NBN EN 15335 : 2007
Current
The latest, up-to-date edition.
ADVANCED TECHNICAL CERAMICS - CERAMIC COMPOSITES - DETERMINATION OF ELASTIC PROPERTIES BY RESONANT BEAM METHOD UP TO 2 000 DEGREE C
01-12-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Significance and use
6 Apparatus
6.1 Vacuum vessel
6.2 Transducers
6.3 Carbon fibre-bundle loops
6.4 Pumping unit
6.5 Control and evaluation units
6.6 Balance
6.7 Micrometer
6.8 Callipers
7 Test specimens
7.1 General
7.2 Shape and dimensions
7.3 Plane parallelism
7.4 Number of test specimens
8 Test procedure
8.1 Test specimen preparation
8.2 Adjustment of the apparatus
8.3 Measurement at room temperature
8.4 Measurement at high temperatures
9 Calculation of results
9.1 Basic concept
9.2 How to calculate eigenfrequencies
9.3 Identification, matching and fitting
9.4 The two evaluation steps
10 Accuracy of method and errors
11 Test report
Annex A (informative) Example
A.1 General
A.2 Measurement
A.3 First evaluation step
A.4 Second evaluation step
A.5 Results
Bibliography
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