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boron carbide coating

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Thermal Conductivity of Boron Carbide–Boron Nitride ...

Because of their preferred orientation, the addition of boron nitride dispersions to hot‐pressed boron carbide was found to result in a considerable degree of anisotropy in thermal conductivity of the resulting composite, indicated by an increase in the thermal conductivity perpendicular to the hot‐pressing direction by as much as a factor of 3 at the highest boron nitride volume fractions ...

In Situ Renewable Coating of Boron Carbide (B4C) for ...

The boron carbide coating deposition and testing were performed on the CODMATT facility. 5-μm-thick B 4 C coating tungsten samples for experiments in T-10 tokamak were formed by atoms of boron and carbon sputtered by plasma ions from corresponding targets. The adhesion of the boron carbide coating to tungsten was tested by cycles of high ...

The Possibility of Boron Carbide Coating Formation by ...

The boron carbide coatings were formed on the copper substrate without a binder material. The formation of the crystalline boron carbide coating on the copper substrate was analysed through X-ray diffraction, transmission electron microscopy and scanning electron microscopy.

Features and advantages of boron carbide as a …

2018-6-10 · A crystalline boron carbide coating is shown to have excellent erosion characteristics, low hydrogen retention capacity and high resistance under high-energy loads; these properties of boron carbide differ significantly from those of graphite.