Properties and Performance of Polycrystalline Cubic Boron Nitride

Cubic boron nitride (CBN) is a lightweight (ρ = 3.45 g/cm3) ceramic material that is harder than all materials except diamond. As harder ceramics tend to perform better as armor, this material is of interest to the military community. CBN is synthetically produced and is primarily used as an abrasiv...

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Bibliographic Details
Published in:International journal of applied ceramic technology 2015-11, Vol.12 (S3), p.E74-E81
Main Authors: Swab, Jeffrey J., Vargas-Gonzalez, Lionel, Wilson, Elizabeth, Warner, Eric
Format: Article
Language:English
Subjects:
Armor
Boron
Ceramics
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Summary:Cubic boron nitride (CBN) is a lightweight (ρ = 3.45 g/cm3) ceramic material that is harder than all materials except diamond. As harder ceramics tend to perform better as armor, this material is of interest to the military community. CBN is synthetically produced and is primarily used as an abrasive and in cutting tool applications. The properties (elastic modulus, strength, toughness, hardness, etc.) and ballistic performance of this material were determined and compared to a commercially available armor‐grade boron carbide (B4C).
ISSN:1546-542X
1744-7402
DOI:10.1111/ijac.12380