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BS EN ISO 23146:2016

BS EN ISO 23146:2016

Current

Current

The latest, up-to-date edition.

Fine ceramics (advanced ceramics, advanced technical ceramics). Test methods for fracture toughness of monolithic ceramics. Single-edge V-notch beam (SEVNB) method

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

05-31-2016

Publisher

British Standards Institution

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
6 Test piece preparation
7 Test procedure
8 Precision and bias
9 Test report
Annex A (informative) - Notch honing by machine
Annex B (informative) - Interlaboratory evaluation of
        the SEVNB fracture toughness test procedures
Annex C (informative) - Corrections for effective crack
        length greater than notch depth
Bibliography

Defines a method for the determination of the fracture toughness of advanced technical ceramics.

This International Standard specifies a method for the determination of the fracture toughness of advanced technical ceramics. The procedure makes use of single-edge V-notched bars, which are loaded in four-point bending until failure. It is applicable to monolithic ceramics with a grain size or major microstructural feature size larger than about 1 µm.

The use of this International Standard for yttria tetragonal zirconia polycrystal material (Y-TZP) is not recommended. The method might also be unsuitable for some other very tough or soft ceramics in which a sharp crack does not form at the root of the V-notch.

Committee
RPI/13
DevelopmentNote
Supersedes DD CEN/TS 14425-5. (05/2016)
DocumentType
Standard
Pages
26
PublisherName
British Standards Institution
Status
Current
Supersedes
UnderRevision

Standards Relationship
ISO 23146:2012 Identical
EN ISO 23146:2016 Identical

ISO 14704:2016 Fine ceramics (advanced ceramics, advanced technical ceramics) Test method for flexural strength of monolithic ceramics at room temperature
ISO 18756:2003 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
EN 623-3 : 2001 ADVANCED TECHNICAL CERAMICS - MONOLITHIC CERAMICS - GENERAL AND TEXTURAL PROPERTIES - DETERMINATION OF GRAIN SIZE AND SIZE DISTRIBUTION (CHARACTERIZED BY THE LINEAR INTERCEPT METHOD)
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 3611:2010 Geometrical product specifications (GPS) — Dimensional measuring equipment: Micrometers for external measurements — Design and metrological characteristics
ISO 24370:2005 Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for fracture toughness of monolithic ceramics at room temperature by chevron-notched beam (CNB) method
ISO 7500-1:2015 Metallic materials Calibration and verification of static uniaxial testing machines Part 1: Tension/compression testing machines Calibration and verification of the force-measuring system
ISO 15732:2003 Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for fracture toughness of monolithic ceramics at room temperature by single edge precracked beam (SEPB) method

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