Draft
International Standard
ISO/DIS 23146
Fine ceramics (advanced ceramics, advanced technical ceramics) — Test methods for fracture toughness of monolithic ceramics — Single-edge V-notch beam (SEVNB) method
Reference number
ISO/DIS 23146
Edition 3
© ISO 2026
Draft International Standard
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Under development
This Draft International Standard is in the enquiry phase with ISO members.
Will replace ISO 23146:2012

ISO/DIS 23146

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CHF 67
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Abstract

ISO 23146:2012 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 ISO 23146:2012 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.

General information

  • Status
     : Under development
    Stage
    : Close of voting [40.60]
  • Edition
     : 3
    Number of pages
     : 18
  • Technical Committee :
    ISO/TC 206
    ICS :
    81.060.30 
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Life cycle

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This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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