ISO 19674:2017 PDF

Fine ceramics (advanced ceramics, advanced technical ceramics) — Methods of test for ceramic coatings — Determination of internal stress in ceramic coatings by application of the Stoney formula

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Title (English):

ISO 19674:2017

Fine ceramics (advanced ceramics, advanced technical ceramics) — Methods of test for ceramic coatings — Determination of internal stress in ceramic coatings by application of the Stoney formula

Document status:: Withdrawn
Format:: Electronic (PDF)
Number of pages:: 10
Publication date:: August 17, 2017
Edition:: ISO IS 19674 edition 1 version 1
ICS:: 81.060.30

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Description (English):

ISO 19674:2017 specifies a method for the determination of the internal stress in thin ceramic coatings by application of the Stoney formula to the results obtained from measurement of the radius of curvature of coated strips or discs.

Technical details

Technical committee: ISO/TC 206 - Fine ceramics
SKU: ISO 19674:2017

Abstract

Overview - ISO 19674:2017 (Stoney formula for ceramic coatings)

ISO 19674:2017 specifies a laboratory method to determine the internal (residual) stress in thin ceramic coatings by applying the Stoney formula to curvature measurements of coated strips or discs. The standard is part of the fine ceramics (advanced ceramics) test-method suite and is intended for thin-film ceramic coatings where the film thickness is small compared with the substrate. The procedure converts a measured radius of curvature into a mean film stress using known substrate properties (Young’s modulus, Poisson’s ratio, thickness) and the measured coating thickness.

Key topics and requirements

Principle: Uses the Stoney formula to relate measured curvature to mean film stress; assumes elastic deformation and spherical curvature.
Applicability limits: Valid when coating thickness is

Related standards

Other ISO standards

Overview - ISO 19674:2017 (Stoney formula for ceramic coatings)

Key topics and requirements

Principle: Uses the Stoney formula to relate measured curvature to mean film stress; assumes elastic deformation and spherical curvature.
Applicability limits: Valid when coating thickness is

ISO 19674:2017 PDF

Technical details

Abstract

Overview - ISO 19674:2017 (Stoney formula for ceramic coatings)

Key topics and requirements

Related standards

Abstract

Overview - ISO 19674:2017 (Stoney formula for ceramic coatings)

Key topics and requirements

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