BORON CARBIDE (B₄C)

Customized Boron Carbide Components

Boron Carbide (B₄C) is an advanced ceramic characterized by extremely high hardness, low density and neutron-absorption capability. Andrews supplies customized B₄C components according to customer drawings and specifications for demanding scientific and industrial applications.

BORON CARBIDE (B₄C)

Key Properties

  • Extremely high hardness and wear resistance
  • Low density
  • Neutron-absorption capability
  • High elastic modulus
  • Good chemical stability
  • Suitable for demanding scientific and precision applications
BORON CARBIDE (B₄C)

Typical Material Properties

Property Unit Typical Reference Value
Density g/cm³ ~2.5
Flexural Strength MPa ~400
Young’s Modulus GPa ~410–455
Fracture Toughness MPa·m½ ~3
Thermal Expansion 10⁻⁶/K ~5.6
Hardness GPa Grade / method dependent
Technical note: Values are typical reference values and can vary with material grade, composition, microstructure and manufacturing process. Final specifications are confirmed for each project.

Chemical composition, weight %
Total Boron >77.14
B2O3 0.10
Free Boron 0.44
Boron Compound >76.70
Total Carbon >20.03
Free Carbon 2.65
Carbon Compound 17.38
Fe2O3 0.28
B4C total >94.08
Technical specification*
Maxi. Dimension 450x450x50mm
Purity of B4C 99.5%
Particle Size 0.5-2µm
Density ≥2.5
Standard tolerance** ±0.1, ±0.5mm (irregular shape)
Normal Roughness <Ra 1.6
Parallelism and verticality ±0.1mm
*All the exact data are subject to our final production drawing
**Tolerance depends on the production difficulties and shape

Typical Applications

  • Synchrotron and accelerator-related components
  • Neutron-related components
  • Scientific and research equipment
  • Wear-resistant components
  • Precision ceramic plates and apertures
  • Customized structural components

Experience in Demanding Scientific Applications

Andrews has experience supplying precision B₄C components for demanding synchrotron and accelerator applications, including parts manufactured to stringent requirements for dimensions, tolerances, flatness, parallelism and surface finish.

Customized Components

Components can be supplied according to customer requirements for dimensions, geometry, holes, tolerances, surface finish, flatness and parallelism. Precision grinding, drilling, lapping and polishing are available depending on component geometry and requirements.

SEND US YOUR B₄C DRAWING

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