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  • 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

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    Published date:  12-01-2013

    Publisher:  Netherlands Standards

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Development Note Supersedes NEN ISO 18756. (08/2005)
    Document Type Standard
    Publisher Netherlands Standards
    Status Current
    Supersedes
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