Boron Carbide Rod

Boron carbide rod is made from high-purity boron carbide powder through molding, high-temperature sintering and precision grinding. It retains properties like high hardness (Mohs 9.3), wear resistance and neutron absorption, and are widely used as neutron control rods in the nuclear industry, wear-resistant mechanical shaft cores and precision grinding tools, serving as special rods with both functionality and strength. NexusX Advanced Materials, as a premier manufacturer and supplier of high-quality boron carbide products, focuses on producing high-precision boron carbide rods for diverse application fields.

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Boron Carbide Rod Data Sheet

Purity:	≥99.5%
Apparence:	Black or grey
Chemical Formula:	B₄C
Density:	2.46-2.62 g/cm³

Boron Carbide Rod Description

Boron carbide rods/bars are special rod-shaped inorganic non-metallic materials made from high-purity boron carbide powder as the core raw material, with a small amount of sintering aids added, through batching and mixing, compression molding, high-temperature sintering at 1800-2200℃, and precision grinding. They inherit boron carbide’s properties such as high wear resistance (Mohs hardness 9.3), excellent chemical stability, and neutron absorption capacity of the boron-10 isotope, while also having the structural strength of rod products. Widely used as neutron control rods in the nuclear industry, wear-resistant shaft cores in the mechanical field, and grinding rods in precision processing, they are high-performance functional rods suitable for multiple scenarios.

Boron Carbide Rod Advantages

Exceptional Hardness & Wear Resistance
Reliable Neutron Absorption
Strong Chemical Stability
Good Structural Strength & Processability
Lightweight & High-Temperature Stability

Boron Carbide Rod Applications

Nuclear Industry Neutron Control
Serves as neutron control rods in small nuclear reactors or test facilities. The boron-10 isotope efficiently absorbs neutrons to regulate reactor power and prevent excessive radiation leakage.
Mechanical Wear-Resistant Components
Used as shaft cores, guide rods, or bearing inserts in heavy-duty machinery (e.g., mining equipment, industrial pumps). Its high hardness resists wear from friction, extending part lifespan.
Precision Grinding Tools
Processed into grinding rods for polishing hard materials like ceramics, semiconductors, or alloy parts. Ultra-high wear resistance ensures consistent grinding accuracy and avoids caliber deformation.
Aerospace Lightweight Structural Parts
Applied as lightweight support rods or protective sleeves in aerospace components (e.g., satellite brackets, aircraft engine accessories). Combines strength and low density to meet strict weight limits.
Chemical Corrosion-Resistant Rods
Used as stirrer shafts or sensor probes in chemical reactors handling corrosive media (e.g., acids, alkalis). Chemical stability prevents corrosion, ensuring safe and continuous operation.

Boron Carbide Ceramic Packaging

Boron Carbide ceramic products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.

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FAQ

Why is boron carbide rod used as nuclear neutron control rod?

It contains the boron-10 isotope, which efficiently absorbs neutrons—this allows them to regulate reactor power and block excessive radiation leakage, matching the core demand of nuclear control.

What makes boron carbide rod suitable for mechanical wear-resistant parts like shaft core?

With a Mohs hardness of 9.3, it has strong abrasion resistance, and its rod-shaped structure provides good rigidity, enduring friction in heavy-duty machinery without easy wear.

Can the boron carbide rod work in corrosive chemical environments?

Yes. It resists corrosion from most acids, alkalis, and organic solvents, so it’s safe to use as stirrer shaft or sensor probe in chemical reactors without degradation.

Why is boron carbide rod applied in aerospace lightweight part?

It has a low density (2.52g/cm³) to reduce equipment weight, plus high structural strength—ideal for aerospace components (e.g., satellite brackets) that require both lightness and durability.

What advantage does boron carbide rod have as precision grinding rod?

Its ultra-high wear resistance maintains a stable caliber during grinding, ensuring consistent accuracy when polishing hard materials like ceramics or semiconductors, avoiding machining errors.

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