Boron carbide

Boron carbide (B4C)

Boron carbide or Tetrabor is a chemical compound of the element boron and carbon with the chemical formula B4C. This material is an extremely hard ceramic; it is one of the hardest known materials, behind diamonds. Due to its high hardness, chemical inertness, and high neutron absorption cross section, is well suited to a variety of industrial applications.

This ceramic is widely used for Wear parts such as blasting nozzles, abrasives for ultrasonic cutting, nuclear applications, etc.

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Composition

Element B4C N O Fe Si Al Others
Content > 97,55% 0,7% max 1% max 0,05% max 0,15% max 0,05% max 0,5% max

Typical properties

Flexural Strength
410 MPa
Elastic modulus
460 GPa
Density
2,50 g/cm3
Hardness
2 800 HV

Typical properties; not to be construed as specifications.
EN ISO 6507, ASTM D790.

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