Surface hardened carbon material and process of manufacturing

A carbon material is formed by heat-treating a carbonaceous material in a reaction mix of oxides of boron and boron nitride in a nitrogen atmosphere to temperatures of 1600 to 2000° C. The surface of the carbonaceous material is transformed into a carbon material that is resistant to oxidation to te...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Holcombe, Jr, Cressie E, Chapman, Lloyd R
Format: Patent
Sprache:eng
Online-Zugang:Volltext bestellen
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