BS ISO 21465:2025 - Test Method for CMAS Corrosion of Thermal/Environmental Barrier Coatings

Introducing the BS ISO 21465:2025, a comprehensive standard that provides a detailed test method for evaluating the CMAS (Calcium-Magnesium-Alumino-Silicate) corrosion of thermal and environmental barrier coatings under dynamic thermal cycling conditions. This standard is an essential resource for professionals in the field of materials science, engineering, and aerospace industries, where the integrity and durability of coatings are critical.

Key Features of BS ISO 21465:2025

• Standard Number: BS ISO 21465:2025
• Pages: 18
• Release Date: March 6, 2025
• ISBN: 978 0 539 28262 7
• Status: Standard

Understanding CMAS Corrosion

CMAS corrosion is a significant challenge in high-temperature applications, particularly in the aerospace sector. The interaction of CMAS with thermal and environmental barrier coatings can lead to severe degradation, affecting the performance and lifespan of components. The BS ISO 21465:2025 standard provides a robust methodology to simulate and assess the effects of CMAS corrosion under realistic operational conditions.

Dynamic Thermal Cycling

Dynamic thermal cycling is a critical aspect of this standard, as it replicates the fluctuating temperatures that coatings experience in real-world applications. This process helps in understanding how coatings respond to thermal stresses and CMAS exposure over time, providing valuable insights into their durability and effectiveness.

Why Choose BS ISO 21465:2025?

The BS ISO 21465:2025 standard is meticulously crafted to ensure that professionals have access to reliable and accurate testing methods. By adhering to this standard, organizations can enhance their quality assurance processes, improve product reliability, and ensure compliance with industry regulations.

Benefits of Using This Standard:

• Enhanced Durability: Gain insights into the longevity and performance of coatings under CMAS exposure.
• Quality Assurance: Implement rigorous testing protocols to ensure product quality and reliability.
• Regulatory Compliance: Meet industry standards and regulations with confidence.
• Innovative Research: Facilitate advanced research and development in coating technologies.

Who Should Use This Standard?

This standard is indispensable for:

• Materials scientists and engineers involved in the development and testing of coatings.
• Aerospace industry professionals focused on enhancing the performance of high-temperature components.
• Quality assurance teams seeking to implement robust testing methodologies.
• Research institutions conducting studies on thermal and environmental barrier coatings.

Conclusion

The BS ISO 21465:2025 is a vital tool for any organization or professional involved in the study and application of thermal and environmental barrier coatings. By providing a detailed and reliable test method for CMAS corrosion under dynamic thermal cycling, this standard helps ensure that coatings can withstand the demanding conditions of modern applications. Embrace the future of coating technology with the guidance and insights offered by this essential standard.

BS ISO 21465:2025

This standard BS ISO 21465:2025 Test method for CMAS corrosion of thermal/environmental barrier coatings under dynamic thermal cycling is classified in these ICS categories:

• 25.220.01 Surface treatment and coating in general