Ceramic rolls play a crucial role in various industrial processes, particularly in the shaping and processing of extremely hard materials like glass, ceramics, and advanced composites. These rolls are prized for their exceptional durability and resistance to wear, making them ideal for applications where traditional rolls would quickly degrade.
The coating of ceramic rolls is typically made from highly wear-resistant ceramic materials, with aluminum oxide (alumina) and silicon carbide being two of the most commonly used choices. These ceramics are chosen for their hardness, which enables them to withstand the abrasive nature of the materials they come into contact with during the rolling process.
Aluminum oxide (alumina) is known for its exceptional hardness, chemical stability, and resistance to wear and corrosion. It is often used in applications where extreme precision and surface finish are required.
Silicon carbide is another popular choice due to its high thermal conductivity and exceptional hardness. It is particularly well-suited for high-temperature applications and can withstand the rigors of rolling very hard materials.