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NEN EN 13234 : 2006

Current

Current

The latest, up-to-date edition.

ADVANCED TECHNICAL CERAMICS - MECHANICAL PROPERTIES OF CERAMIC COMPOSITE AT AMBIENT TEMPERATURE - EVALUATION OF THE RESISTANCE TO CRACK PROPAGATION BY NOTCH SENSITIVITY TESTING

Published date

12-01-2013

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Foreword
1 Scope
2 Normative references
3 Principle
4 Significance and use
5 Terms, definitions and symbols
6 Apparatus
   6.1 Test machine
   6.2 Load train
   6.3 Data recording system
   6.4 Micrometers
   6.5 Ligament size measuring device
7 Specimens
   7.1 Un-notched test specimens
   7.2 Notched test specimens
   7.3 Notches
8 Test specimen preparation
   8.1 Machining and preparation
   8.2 Number of test specimens
9 Test procedure
   9.1 Test on reference specimen
   9.2 Test on notched specimen
10 Calculation of results
   10.1 Test specimen origin
   10.2 Tensile strength of un-notched specimen
   10.3 Tensile strength of the notched specimen
   10.4 Plotting of notch sensitivity diagram
   10.5 Calculation of equivalent fracture toughness for
        the different classes of behaviour
11 Test report
Bibliography

Defines a method for the classification of ceramic matrix composite (CMC) materials with respect to their sensitivity to crack propagation using tensile tests on notched specimens with different notch depths. Two classes of ceramic matrix composite materials can be distinguished: materials whose strength is sensitive to the presence of notches and materials whose strength is not affected. For sensitive materials, this European Standard defines a method for determining equivalent fracture toughness.

DevelopmentNote
Supersedes NEN NVN ENV 13234. (12/2006)
DocumentType
Standard
PublisherName
Netherlands Standards
Status
Current
Supersedes

Standards Relationship
BS EN 13234:2006 Identical
NS EN 13234 : 1ED 2007 Identical
EN 13234:2006 Identical
UNI EN 13234 : 2007 Identical
I.S. EN 13234:2006 Identical
NF EN 13234 : 2007 Identical
DIN EN 13234:2007-01 Identical

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