In the realm of advanced ceramics, silicon carbide stands out as a material of exceptional mechanical, thermal, and chemical properties. Among the various manufacturing techniques for SiC-based components, reaction-bonded silicon carbide has emerged as a cost-effective and high-performance solution for industries requiring lightweight, durable, and thermally stable structures.

Reaction-bonded silicon carbide is fabricated through a process that combines silicon (Si) infiltration with a porous carbon preform. During sintering at high temperatures (typically 1,400–1,600°C), molten silicon reacts with carbon to form a secondary silicon carbide phase. The resulting composite material consists of primary Reaction bonded silicon carbide products grains bonded by a silicon/silicon carbide matrix. This method enables near-net-shape manufacturing with minimal dimensional shrinkage, making it ideal for complex geometries.

Introduction of Reaction Bonded Silicon Carbide Products:

Reaction bonded silicon carbide products has good wear resistance and thermal shock resistance, as well as strong corrosion resistance, high thermal conductivity and other excellent properties. Reaction bonded silicon carbide products are widely used in aerospace, machinery manufacturing, petrochemical industry, metal smelting and electronic industries, especially for making wear-resistant parts and high-temperature structural parts. Reaction-sintered silicon carbide ceramics are one of the earliest structural ceramics to achieve industrial production. 

In recent years, Reaction bonded silicon carbide products with high sintering density and high flexural strength have been partially produced using silicon carbide, which has greatly improved the mechanical properties of the material.

Reaction-bonded silicon carbide represents a convergence of performance, durability, and cost efficiency, making it a cornerstone material for next-generation engineering. From semiconductor fabs to Mars rovers, RB-SiC structural components are enabling technological breakthroughs while addressing the global demand for energy-efficient and sustainable solutions. As manufacturing techniques evolve, RB-SiC will undoubtedly solidify its role as a critical enabler of 21st-century innovation.

About us

Over the years,we committed to product R&D and innovation. Relying on the leading SiC manufacturing technology and experience of Starlight,being led by top level talents from well-known universities and institutes,added a large number of outstanding college graduates are introduced to form a world-class R&D team,at the end of 2021, the new SiC industry Technology Research Institute was established. Devoted to the research and development of high-end high purity SiC raw materials and high purity SiC products, for the company's long-term development to settle a strong foundation.