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ISO 23146:2008

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

Publication date:   May 22, 2008

95.99 Withdrawal of Standard   Dec 13, 2012

General information

95.99 Withdrawal of Standard   Dec 13, 2012

ISO

ISO/TC 206 Fine ceramics

International Standard

81.060.30   Advanced ceramics

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Scope

ISO 23146:2008 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 4-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 23146:2008 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.

Life cycle

NOW

WITHDRAWN
ISO 23146:2008
95.99 Withdrawal of Standard
Dec 13, 2012

REVISED BY

PUBLISHED
ISO 23146:2012