Materials center

Advanced ceramics selected by real operating conditions.

Review core properties, typical applications and comparison notes for Freewill Material main technical ceramic portfolio.

Core materials

Property-driven material portfolio.

Use these cards for first-round screening, then open each material page for specifications, advantages, applications and grade-dependent reference data.

SiC

Silicon Carbide

A high-hardness ceramic for severe wear, high temperature, thermal shock and chemically aggressive environments.

Max temp: 1350-1600 C, grade and atmosphere dependent
Hardness: 22-28 GPa typical

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Si3N4

Silicon Nitride

A reliable structural ceramic for high load, impact, rolling contact and rapid temperature cycling.

Max temp: 1000-1200 C typical
Hardness: 14-18 GPa typical

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Al2O3

Alumina

The most widely used technical ceramic for electrical insulation, wear resistance, chemical stability and cost-effective production.

Max temp: 1500-1700 C, grade and load dependent
Hardness: 14-20 GPa typical

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h-BN

Boron Nitride

A machinable ceramic for thermal shock, high-temperature insulation and non-wetting contact with many molten metals.

Max temp: 800-900 C in air; higher in inert/vacuum by grade
Hardness: Soft and machinable compared with oxide/nitride ceramics

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AlN

Aluminum Nitride

An electrically insulating ceramic for efficient heat dissipation in power electronics, LED and semiconductor applications.

Max temp: 700-1000 C, grade and atmosphere dependent
Hardness: 10-12 GPa typical

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ZrO2

Zirconia

A high-toughness ceramic for close-tolerance wear parts, precision motion and contact-stress applications.

Max temp: 800-1000 C, stabilized grade dependent
Hardness: 11-13 GPa typical

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