BS ISO 24449:2021 - Metallic and Other Inorganic Coatings

Determination of Thermal Conductivity of Thermal Barrier Coatings at Elevated Temperature

Standard Number: BS ISO 24449:2021

Pages: 20

Released: 2021-11-12

ISBN: 978 0 539 06832 0

Status: Standard

Overview

The BS ISO 24449:2021 standard is an essential document for professionals working with metallic and other inorganic coatings. This standard provides a comprehensive methodology for determining the thermal conductivity of thermal barrier coatings at elevated temperatures. Thermal barrier coatings are critical in various industries, including aerospace, automotive, and power generation, where they are used to protect components from extreme heat and enhance their performance and longevity.

Key Features

• Comprehensive Methodology: The standard outlines a detailed procedure for accurately measuring the thermal conductivity of thermal barrier coatings, ensuring reliable and consistent results.
• Industry Relevance: Applicable to a wide range of industries, including aerospace, automotive, and power generation, where thermal barrier coatings play a crucial role in protecting components from high temperatures.
• Elevated Temperature Testing: Focuses on the performance of coatings at elevated temperatures, providing valuable data for applications where heat resistance is critical.
• International Standard: As an ISO standard, it is recognized and respected globally, ensuring that your testing methods meet international benchmarks.

Why Choose BS ISO 24449:2021?

Thermal barrier coatings are essential for protecting components from high temperatures, reducing thermal fatigue, and extending the lifespan of critical parts. The BS ISO 24449:2021 standard provides a reliable and accurate method for determining the thermal conductivity of these coatings, ensuring that they meet the necessary performance criteria.

By adhering to this standard, you can ensure that your thermal barrier coatings are tested to the highest international standards, providing confidence in their performance and reliability. This is particularly important in industries where failure of thermal barrier coatings can lead to significant downtime, costly repairs, and even safety hazards.

Applications

The BS ISO 24449:2021 standard is applicable to a wide range of industries and applications, including:

• Aerospace: Protecting engine components, turbine blades, and other critical parts from extreme heat.
• Automotive: Enhancing the performance and durability of exhaust systems, turbochargers, and other high-temperature components.
• Power Generation: Improving the efficiency and lifespan of gas turbines, boilers, and other equipment exposed to high temperatures.
• Industrial Manufacturing: Protecting machinery and equipment used in high-temperature processes, such as metal casting and forging.

Content and Structure

The standard is structured to provide clear and concise guidance on the determination of thermal conductivity of thermal barrier coatings. It includes:

• Introduction: An overview of the importance of thermal barrier coatings and the need for accurate thermal conductivity measurements.
• Scope: Defines the range of applications and the types of coatings covered by the standard.
• Normative References: Lists other relevant standards and documents that are referenced within the standard.
• Terms and Definitions: Provides clear definitions of key terms used throughout the document.
• Test Methods: Detailed procedures for preparing samples, conducting tests, and analyzing results.
• Reporting: Guidelines for documenting and reporting test results to ensure consistency and transparency.

Conclusion

The BS ISO 24449:2021 standard is an invaluable resource for professionals involved in the development, testing, and application of thermal barrier coatings. By following the methodologies outlined in this standard, you can ensure that your coatings meet the highest performance standards, providing reliable protection and enhancing the longevity of critical components.

Whether you are working in aerospace, automotive, power generation, or industrial manufacturing, the BS ISO 24449:2021 standard will help you achieve accurate and consistent results in the determination of thermal conductivity of thermal barrier coatings at elevated temperatures.

BS ISO 24449:2021

This standard BS ISO 24449:2021 Metallic and other inorganic coatings. Determination of thermal conductivity of thermal barrier coatings at elevated temperature is classified in these ICS categories:

• 25.220.20 Surface treatment

This document specifies a method for determining the thermal conductivity of ceramic top coat (TC) constituting thermal barrier coating (TBC) subjected to heat treatment, in a direction normal to the coating surface, from room temperature up to 1 000 °C.