UNI EN ISO 18756 : 2005
Current
The latest, up-to-date edition.
FINE CERAMICS (ADVANCED CERAMICS, ADVANCED TECHNICAL CERAMICS) - DETERMINATION OF FRACTURE TOUGHNESS OF MONOLITHIC CERAMICS AT ROOM TEMPERATURE BY THE SURFACE CRACK IN FLEXURE (SCF) METHOD
29-11-2005
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Principle
6 Apparatus
7 Test specimens
7.1 Specimen size, preparation and edge chamfering
7.2 Number of specimens
8 Procedure
8.1 Introduction of the precrack by Knoop indentation
8.2 Specimen fracture
8.3 Crack size measurement
8.4 Environmental effects
8.5 Optional: Estimate of R-curve behaviour
8.6 Optional: Reference materials
9 Calculation
10 Test report
Annex A (informative) Environmental effects
Annex B (normative) Precrack characterization
Annex C (informative) R-curve estimation by the SCF method
Annex D (normative) Chamfer correction factors
Bibliography
Specifies a test method that covers the determination of fracture toughness of monolithic ceramic materials at room temperature by the surface crack in flexure (SCF) method.
| Committee |
CT 33
|
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Standards | Relationship |
| NEN EN ISO 18756 : 2005 | Identical |
| I.S. EN ISO 18756:2005 | Identical |
| ISO 18756:2003 | Identical |
| EN ISO 18756:2005 | Identical |
| NF EN ISO 18756 : 2005 | Identical |
| NBN EN ISO 18756 : 2005 | Identical |
| BS EN ISO 18756:2005 | Identical |
| NS EN ISO 18756 : 1ED 2005 | Identical |
| DIN EN ISO 18756:2005-09 | Identical |
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