NEN 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
12-01-2013
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.
| DevelopmentNote |
Supersedes NEN ISO 18756. (08/2005)
|
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| UNI EN ISO 18756 : 2005 | Identical |
| EN ISO 18756:2005 | Identical |
| ISO 18756:2003 | Identical |
| DIN EN ISO 18756:2005-09 | Identical |
| BS EN ISO 18756:2005 | Identical |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.