Boron Carbide Spherical Powder

Boron Carbide Spherical Powder features high sphericity, uniform particle size, and retains the material’s ultra-high hardness & neutron absorption. It’s ideal for 3D printing, thermal spraying, and advanced ceramics, enabling high-performance components. NexusX Advanced Materials, as a premier manufacturer and supplier of high-quality boron carbide products, focuses on producing high-performance boron carbide spherical powder for diverse application fields.

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Boron Carbide Spherical Powder Data Sheet

Purity:	99.5% – 99.99%
CAS:	12069-32-8
Color:	Dark grey
Chemical Formula:	B₄C
Particle Size:	0-15 μm, 15-53 μm, 45-105 μm, 75-150 μm, or customized
Density:	2.52 g/cm³
Melting Point:	2,445°C
shape:	Spherical

Boron Carbide Spherical Powder Description

Boron carbide spherical powder is a high-performance advanced ceramic material produced via precision processes like plasma atomization, featuring excellent sphericity (≥95%), narrow particle size distribution (typically 5-50μm), and high purity (up to 99.5%); it retains boron carbide’s inherent advantages of ultra-high hardness (Mohs 9.3), strong neutron absorption, and corrosion resistance, while its spherical shape further boosts fluidity and packing density. Widely applied in 3D printing of complex wear-resistant parts, thermal spraying for protective coatings, and manufacturing of high-density advanced ceramics, it enables high-performance, precision-engineered components for aerospace, nuclear, and industrial sectors.

Boron Carbide Spherical Powder SEM

Boron Carbide Spherical Powder Advantages

Excellent Sphericity & Flowability
Uniform Particle Size Distribution
Retains Core Boron Carbide Traits
High Packing Density
High Purity (Up to 99.5%)

Boron Carbide Spherical Powder Applications

Additive Manufacturing (3D Printing): Used for producing high-strength, lightweight parts with excellent wear and impact resistance.
Thermal Spray Coatings: Form durable, protective layers on metal surfaces to improve wear and corrosion resistance.
Powder Metallurgy: Serves as a hard phase in composite materials for producing cutting tools, dies, and structural parts.
Armor Materials: Applied in the fabrication of ballistic protection systems, such as body armor and vehicle armor, due to their extreme hardness and low weight.
Neutron Absorption Components: Utilized in nuclear applications for making control rods and shielding materials because of their high neutron absorption capacity without forming long-lived radioactive isotopes.

Boron Carbide Spherical Powder Packaging

Boron Carbide Spherical Powder is 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

What are the advantages of boron carbide spherical powder compared with ordinary irregular boron carbide powder?

Its core advantage lies in its “spherical shape” — it has better fluidity and can be adapted to precision forming processes such as 3D printing; it accumulates more uniformly, which reduces product pores; and its trajectory is stable during spraying, resulting in a more uniform coating.

What are the mainstream preparation processes?

Plasma spheroidization has high sphericity and good purity but high cost and energy consumption; spray drying has high output and low cost but slightly poor sphericity and possible impurity residues; the sol-gel method can produce ultra-fine powder with uniform composition but has a long cycle and low output.

Why can it be used for neutron shielding in the nuclear industry?

Because the ¹⁰B isotope it contains can efficiently absorb thermal neutrons and the reaction products are safe and non-radioactive; the spherical shape is chosen because it accumulates uniformly to ensure stable neutron absorption effect and has no sharp edges, making it resistant to radiation and not easy to crack.

What key indicators should be focused on when purchasing?

A sphericity of ≥0.9 is suitable for precision forming (too low easily causes agglomeration); a particle size of 5-20μm is suitable for spraying, and 0.5-5μm is suitable for making high-density ceramics; the purity of B₄C should be ≥99.5% (excessive impurities affect strength or nuclear shielding effect); a bulk density of ≥1.2g/cm³ is suitable for forming (too low easily causes voids).

What precautions should be taken during storage and use?

For moisture prevention, store in a sealed, dry environment with humidity <40% to avoid agglomeration; for impact prevention, stir at low speed and handle gently to prevent particle breakage; for high-temperature oxidation prevention, note that it will oxidize above 700℃, and use an inert gas for protection during high-temperature treatment.

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