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EN 15335:2007

Current

Current

The latest, up-to-date edition.

Advanced technical ceramics - Ceramic composites - Determination of elastic properties by resonant beam method up to 2 000 °C

Published date

23-05-2007

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

This European Standard specifies the resonant beam method for the determination of the dynamic elastic moduli of fibre reinforced ceramic matrix composites from 20 °C up to 2 000 °C in vacuum or inert atmosphere. The Young´s moduli and the shear moduli for different orientations with respect to the main axes of symmetry of the composite can be obtained.This document applies to ceramic matrix composites with fibre reinforcement: short fibres, unidirectional (1D), bidirectional (2D), and tridirectional (xD, with 2  x  3) which have at least orthothropic symmetry.NOTE 1Dynamic means that the elastic moduli are determined non-quasistatically, i.e. under adiabatic conditions, as with the ultrasonic method set out in ENV 14186. The elastic moduli determined by this method may not be compared with moduli obtained in an isothermal condition by stressing statically or quasistatically as with EN 658-1, EN 658-2, EN 1892, EN 1893, EN 12290 and EN 12291.NOTE 2The ceramic matrix composites with fibre reinforcement, listed above, are denoted as “composites” in the course of the document.

Committee
CEN/TC 184
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

Standards Relationship
DIN EN 15335:2007-08 Identical
PN EN 15335 : 2008 Identical
NF EN 15335 : 2007 Identical
BS EN 15335:2007 Identical
DIN EN 15335 E : 2007 Identical
NS EN 15335 : 1ED 2007 Identical
NEN EN 15335 : 2007 Identical
NBN EN 15335 : 2007 Identical
SN EN 15335 : 2007 Identical
I.S. EN 15335:2007 Identical
UNI EN 15335 : 2008 Identical
UNE-EN 15335:2007 Identical

09/30185903 DC : 0 BS EN 14232 - ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
UNI EN 14232 : 2009 ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
PREN 14232 : DRAFT 2009 ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS
EN 14232:2009 Advanced technical ceramics - Terms, definitions and abbreviations
BS EN 14232:2009 Advanced technical ceramics. Terms, definitions and abbreviations
I.S. EN 14232:2009 ADVANCED TECHNICAL CERAMICS - TERMS, DEFINITIONS AND ABBREVIATIONS

ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
EN 843-2:2006 Advanced technical ceramics - Mechanical properties of monolithic ceramics at room temperature - Part 2: Determination of Young's modulus, shear modulus and Poisson's ratio
EN 12290:2005 Advanced technical ceramics - Mechanical properties of ceramic composites at high temperature under inert atmosphere - Determination of compression properties
EN 60584-2:1993 Thermocouples - Part 2: Tolerances
EN 658-1:1998 Advanced technical ceramics - Mechanical properties of ceramic composites at room temperature - Part 1: Determination of tensile properties
CEN/TS 820-5 : 2004 ADVANCED TECHNICAL CERAMICS - METHODS OF TESTING MONOLITHIC CERAMICS - THERMOMECHANICAL PROPERTIES - PART 5: DETERMINATION OF ELASTIC MODULI AT ELEVATED TEMPERATURES
EN 1892:2005 Advanced technical ceramics - Mechanical properties of ceramic composites at high temperature under inert atmosphere - Determination of tensile properties
EN 658-2 : 2002 ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF CERAMIC COMPOSITES AT ROOM TEMPERATURE - PART 2: DETERMINATION OF COMPRESSION PROPERTIES
EN 1893:2005 Advanced technical ceramics - Mechanical properties of ceramic composites at high temperature in air at atmospheric pressure - Determination of tensile properties
ISO 3599:1976 Vernier callipers reading to 0,1 and 0,05 mm
EN 60584-1:2013 Thermocouples - Part 1: EMF specifications and tolerances
ENV 14186 : DRAFT 2002 ADVANCED TECHNICAL CERAMICS - CERAMIC COMPOSITES - MECHANICAL PROPERTIES AT ROOM TEMPERATURE, DETERMINATION OF ELASTIC PROPERTIES BY AN ULTRASONIC TECHNIQUE
ISO 3611:2010 Geometrical product specifications (GPS) — Dimensional measuring equipment: Micrometers for external measurements — Design and metrological characteristics
ISO 17561:2016 Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for elastic moduli of monolithic ceramics at room temperature by sonic resonance
EN 12291:2003 Advanced technical ceramics - Mechanical properties of ceramic composites at high temperature in air at atmospheric pressure - Determination of compression properties
IEC 60584-1:2013 Thermocouples - Part 1: EMF specifications and tolerances

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