TS ENV 13233

TS ENV 13233 is a terminology and notation standard for continuous-reinforcement ceramic matrix composite materials. In advanced technical ceramics, a shared notation system is essential for describing anisotropic structures consistently, especially when mechanical and thermal properties depend on the material direction and the arrangement of the reinforcement.

Direction notation in ceramic matrix composites

Ceramic matrix composites are engineered materials in which a ceramic matrix is combined with continuous reinforcements. This standard defines the notations to be used for the mutually perpendicular 1, 2 and 3 directions of these composites. Directionality matters because properties such as strength, stiffness, thermal expansion and crack response can vary with the manufacturing direction and reinforcement architecture. A common directional reference helps engineers, researchers and test reports describe the same material in the same coordinate system.

Rules for writing symbols and quantities

The standard also sets rules for writing the symbols and quantities used to describe mechanical and thermal properties. In general technical practice, this kind of notation standard improves clarity and comparability by making sure the same quantity is written in the same way across documents, laboratories and publications. It supports a consistent technical language for reporting material behaviour, but it does not by itself define performance limits or test results.

• Prepared for continuous-reinforcement ceramic matrix composite materials.
• Covers the 1, 2 and 3 mutually perpendicular directions used to describe these composites.
• Sets rules for writing symbols and quantities for mechanical and thermal properties.
• Provides a common notation framework for advanced technical ceramics.
• This record represents a withdrawn TSE edition.