O Sialon Ceramics Manufacturer

How resistant is OS-11 O'sialon to specific chemicals or cleaners used in metalworking operations?

OS-11 O'sialon (Si2N2O) is a ceramic material that exhibits excellent chemical resistance, making it suitable for use with chemicals and cleaners used in a variety of metalworking operations.

Acid and Base Resistance: OS-11 O'sialon is highly resistant to strong acids and bases, including hydrochloric acid, sulfuric acid, sodium hydroxide, and potassium hydroxide. It can be safely used in pickling, electroplating, and other metalworking processes involving acid and base chemicals.
Organic Solvent Resistance: OS-11 O'sialon is also resistant to a wide range of organic solvents, including acetone, ethanol, methanol, and benzene. This makes it suitable for metalworking applications that use these solvents for cleaning, degreasing, and other operations.
Salt Bath Resistance: OS-11 O'sialon ceramic material can be used in salt bath processes, where metal parts are immersed in a molten salt bath for processing. It is resistant to a variety of salt bath compositions, including chlorides, fluorides, and cyanides.
The chemical stability of OS-11 O'sialon makes it an ideal choice for chemicals and cleaners used in a variety of metalworking applications. Its resistance to acids, bases, organic solvents and salt baths enables it to withstand harsh chemical environments and provide long service life.

How does OS-11 O'sialon resist wear during metalworking?

OS-11 O'sialon (Si2N2O) is a ceramic material known for its exceptional wear resistance, making it a suitable choice for various metal processing applications where abrasion and erosion are prevalent. 

Superior Hardness: OS-11 O'sialon possesses a remarkable Vickers hardness of around 17-19 GPa, significantly surpassing that of graphite (1-2 GPa) and silicon nitride ceramics (12-14 GPa). This exceptional hardness enables it to withstand substantial mechanical wear and tear, making it ideal for applications involving abrasive materials or high-pressure environments.

Excellent Scratch Resistance: OS-11 O'sialon exhibits exceptional scratch resistance, outperforming graphite and silicon nitride ceramics. Its smooth surface and tightly packed crystal structure effectively resist scratching and marring, even under harsh conditions. This property is crucial for applications where components must maintain their surface integrity to ensure precise operations.

High Erosion Resistance: OS-11 O'sialon demonstrates outstanding erosion resistance, making it well-suited for applications involving high-velocity particle streams or fluid impingement. Its ability to withstand erosion is attributed to its dense microstructure and strong chemical bonds, which prevent material loss due to impact or fluid flow.

Applications Demonstrating OS-11 O'sialon's Wear Resistance:

Crucibles for Molten Metal Handling: OS-11 O'sialon crucibles are employed in various metal processing operations, including aluminum smelting, copper refining, and precious metal handling. Their wear resistance ensures long service life and minimizes contamination of the molten metal.

Sandblasting Nozzles: OS-11 O'sialon nozzles are utilized in sandblasting applications due to their exceptional resistance to abrasion from the abrasive media. This prolongs nozzle lifespan and reduces downtime for maintenance.

Slurry Pumps and Impeller Components: OS-11 O'sialon ceramic material components are used in slurry pumps and impellers for handling abrasive slurries in mining, mineral processing, and wastewater treatment industries. Their wear resistance minimizes material erosion and ensures efficient pump operation.

Dies and Molds for Metal Forming: OS-11 O'sialon dies and molds are employed in metal forming processes like forging, stamping, and extrusion. Their wear resistance extends tool life and produces high-quality parts with minimal surface defects.