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CERAMTEC
Ceramic Materials

Ceramic Materials

Product catalog summary

Overview: This document provides detailed technical specifications and properties of various advanced ceramic materials used in mechanical engineering. The materials covered include Alumina, Dispersion Ceramic, Zirconia, Silicon Carbide, and Silicon Nitride.

Materials Data: The document lists the main constituents and characteristics of each ceramic type, including their bulk density, water absorption, and gas permeability. All materials show zero water absorption and gas permeability, indicating their suitability for high-performance applications.

Mechanical Properties: Key mechanical properties such as flexural strength, Weibull modulus, compressive strength, fracture toughness, Young’s modulus, Poisson’s ratio, and Vickers hardness are detailed. For instance, Zirconia exhibits high flexural strength and fracture toughness, making it ideal for demanding mechanical applications.

Thermal and Electrical Properties: The document outlines thermal conductivity, linear thermal expansion coefficients, specific heat capacity, resistivity, dielectric strength, dielectric constant, and dielectric loss factor. Silicon Carbide shows high thermal conductivity, while Zirconia has notable dielectric properties.

Thermal Stress Resistance: The thermal stress resistance parameter R1 is calculated for each material, with Silicon Nitride showing the highest resistance, indicating its robustness under thermal stress.

Maximum Usage Temperature: The document provides maximum usage temperatures for each material in both oxidizing and reducing/inert atmospheres. Alumina and Zirconia can withstand temperatures up to 1500°C in oxidizing conditions.

Standards and Testing: The properties are measured according to DIN and DIN-VDE standards, ensuring reliability and consistency. However, these values are standard and may not apply to all formats or surface qualities.

Application Areas: The document concludes with potential application areas for these ceramics, emphasizing their use in high-performance mechanical engineering applications.

Catalog excerpts

Keramische Werkstoffe Ceramic Materials Hochleistungskeramik für den Maschinen- und Anlagenbau Advanced Ceramics for Mechanical Engineering

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Werkstoffdaten | Materials Data Einheit Unit Testmethode Test specification Main constituent Allgemeine Eigenschaften Bulk density Wasseraufnahme (offene Porosität) Water absorption (open porosity) Mechanische Eigenschaften Weibull modulus Compressive strength Fracture toughness KIC (SEVNB) E-Modul (dynamisch) Young’s modulus Siliziumkarbid Silicon carbide Siliziumnitrid Silicon nitride Mechanical properties Zirkonoxid Zirconia General characteristics Dispersionskeramik Dispersion ceramic Material characteristics Aluminiumoxid Alumina Poisson‘s ratio Ra = Arithmetic mean roughness value Thermische...

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Anwendungsbeispiele Application Areas

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CeramTec THE CERAMIC EXPERTS MA100028 • DE/EN • 1.000 • 1703 • Star Cooperation (3778) • Printed in Germany

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