SN 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 2000 DEGREES C
01-12-2013
Foreword<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Principle<br>5 Significance and use<br>6 Apparatus<br> 6.1 Vacuum vessel<br> 6.2 Transducers<br> 6.3 Carbon fibre-bundle loops<br> 6.4 Pumping unit<br> 6.5 Control and evaluation units<br> 6.6 Balance<br> 6.7 Micrometer<br> 6.8 Callipers<br>7 Test specimens<br> 7.1 General<br> 7.2 Shape and dimensions<br> 7.3 Plane parallelism<br> 7.4 Number of test specimens<br>8 Test procedure<br> 8.1 Test specimen preparation<br> 8.2 Adjustment of the apparatus<br> 8.3 Measurement at room temperature<br> 8.4 Measurement at high temperatures<br>9 Calculation of results<br> 9.1 Basic concept<br> 9.2 How to calculate eigenfrequencies<br> 9.3 Identification, matching and fitting<br> 9.4 The two evaluation steps<br>10 Accuracy of method and errors<br>11 Test report<br>Annex A (informative) Example<br> A.1 General<br> A.2 Measurement<br> A.3 First evaluation step<br> A.4 Second evaluation step<br> A.5 Results<br>Bibliography
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