ZIRCONIUM AND BORON CARBIDE COATINGS FOR GRAPHITE Document Details Document Type Technical Report Publication Date Jun 01, 1957 Accession Number AD0138620 Entities People H.b. Nudelman Tags DTIC Thesaurus Topics Boron Carbides Carbides Chemical Compounds Composite Materials Elements Graphitic Materials Group 4 Elements Inorganic Carbon Compounds Inorganic Chemicals Lubricants Materials Metals Zirconium