EN ISO 13123:2011 PDF

Name: EN ISO 13123:2011 — Metallic and other inorganic coatings - Test method of cyclic heating for thermal-barrier coatings under temperature gradient (ISO 13123:2011)
SKU: EN ISO 13123:2011
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Metallic and other inorganic coatings - Test method of cyclic heating for thermal-barrier coatings under temperature gradient (ISO 13123:2011)

Название (английский):

EN ISO 13123:2011

Metallic and other inorganic coatings - Test method of cyclic heating for thermal-barrier coatings under temperature gradient (ISO 13123:2011)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 22
Дата публикации:: 15 декабря 2011 г.
Издание:: CEN EN 13123 edition 1 version 1
ICS:: 25.220.20

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Описание (английский):

ISO 13123:2011 applies to the test method of cyclic heating to evaluate the thermal-barrier performance and cyclic heat resistance of the thermal-barrier coatings provided for high-temperature components, such as burners, rotor and stator blades, etc. of power-generation gas turbines used in thermal power plants, aircraft engines and rocket engines.

Abstract

Похожие стандарты

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Overview

EN ISO 13123:2011 defines a standardized test method for assessing the thermal-barrier performance and cyclic heat resistance of metallic and other inorganic coatings. Specifically, it focuses on cyclic heating under temperature gradient conditions applied to thermal-barrier coatings (TBCs). The method is essential for evaluating coatings used on high-temperature components in power-generation gas turbines, aircraft engines, and rocket engines. By replicating real-world high-temperature cycles and gradients, this standard helps stakeholders determine coating suitability for demanding environments.

Key Topics

Thermal-barrier coatings (TBCs): Refractory layers applied to metal components to provide thermal insulation and increase operational temperature limits.

Cyclic heating test: Evaluation of coatings by subjecting test pieces to repeated heating and cooling cycles, under controlled temperature gradients, to simulate service conditions.

Performance parameters: The standard guides measurement of maximum surface temperature, temperature difference across the coating, heat flux, and equivalent effective thermal conductivity.

Test setup and instrumentation: Specifies requirements for heating/cooling units, measurement instruments (thermocouples, pyrometer), heat flux meters, and optional acoustic emission sensors.

Damage evaluation: Analysis of coating degradation, including spalling, cracking, or dislodgement, through visual inspection and monitoring of changes in thermal properties or acoustic emissions.

Reporting requirements: Outlines essential details to be documented, such as test piece characteristics, test conditions, and performance results.

Applications

EN ISO 13123:2011 is highly relevant in industries where components are exposed to extreme thermal fluctuations and require long service life:

Power generation: Assessment of coatings on rotor and stator blades, as well as burners, within thermal power plants’ gas turbines, ensuring reliable operation at elevated temperatures.

Aerospace and aviation: Testing thermal-barrier coatings for turbine blades and combustion chambers in aircraft engines, contributing to enhanced efficiency and safety.

Space technology: Evaluation of coating performance under severe thermal cycling in rocket engines and related subsystems.

Coating development and quality assurance: Manufacturers and research organizations use this standard to benchmark and validate new TBC materials or application methods before deployment.

Adopting EN ISO 13123:2011 enhances confidence in the durability and effectiveness of coatings, ensuring compliance with international expectations for material performance in high-stress environments.

Related Standards

For comprehensive surface treatment and thermal spray coating evaluation, the following standards provide complementary methods and definitions:

ISO 1463: Measurement of coating thickness by microscopical method.

ISO 2063: Thermal spraying - Metallic and other inorganic coatings - Zinc, aluminium and their alloys.

ISO 2178: Non-magnetic coatings on magnetic substrates - Measurement of coating thickness.

ISO 14917: Terminology and classification related to thermal spraying.

IEC 60584 series: Thermocouples - Reference tables, tolerances, and cable requirements.

ISO 80000-1: General aspects of quantities and units for calculation and reporting.

Organizations involved in the research, production, or application of thermal-barrier coatings in high-temperature sectors should reference EN ISO 13123:2011 as part of their testing and quality control protocols for optimal material selection, durability, and safety assurance.

EN ISO 13123:2011 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

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