Ceradyne Silicon Nitride Cam Rollers – Automotive / Transporation

By: Ceradyne  09-12-2011

The industry trend of increasing fuel injection pressures and cylinder operating pressures, and other component modifications designed to improve emissions and fuel economy, will only exacerbate the warranty problems with metal components. Ceradyne’s unique grade of silicon nitride offers engine designers a superior material that is proven to solve these warranty problems.

Ceradyne has developed silicon nitride to a level where valve trains of heavy-duty diesel and gasoline engines, high-pressure common rail fuel pumps, and unit fuel injection systems can operate under conditions where conventional metal parts fail. Ceradyne silicon nitride cam rollers operate at contact stresses of 1.0 to 2.4 GPa (150,000 – 350,000 psi) with no measurable wear to the silicon nitride or the companion metallic components.

Demanding aerospace applications challenge the performance limits of conventional materials. Ceralloy® Silicon Nitride is an excellent material solution based on its high temperature strength, excellent fracture toughness, high hardness and tribological properties. Silicon nitride aerospace applications result in superior mechanical reliability and wear resistance.

Automotive / Transportation elements include:

Ceradyne also supplies prototype engine components for various R&D programs that further demonstrate the breadth of silicon nitride applications in the automotive / transportation industry.

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Advanced Armor – Ceradyne – Military Body Armor

From the earliest application of ceramics in lightweight helicopter armoring, Ceradyne has provided innovative ballistic protection solutions that are the lightest and most durable armor systems available. There have been and continues to be multiple companies that supply armor solutions but none are distinguished by their ability to react to new requirements and surge production demands like Ceradyne.