HAFNIUM CARBIDE AND ITS BEHAVIOR WITH RESPECT TO OTHER CARBIDES OF THE HIGH- MELTING TRANSITION METALS

Journal Article · Sat Aug 01 00:00:00 EDT 1959 · Powder Met. Bull.

OSTI ID:4244427

Nowotny, H; Benesovsky, F; Kieffer, R

The binary systems of HfC with the carbides of the high melting metals of the 4a and 5a group having the B1structure and with the structurally different carbides of the 6a group were examined by means of homogenized hotpressed specimens. HfC shows full miscibility with TiC, ZrC, NbC, and TaC. The mutual solubility of HfC and VC is small as would be expected from the difference in lattice parameters. Possessing a different structure, solved in HfC up to 90 mol%. The solubility of WC in HfC at 2000 deg C. amounts to about 40 mol% WC. The schematic presentation of solubilities in the binary systems of B1-carbides of the 4a and 5a elements can be completed with the data of the present investigation. With respect to the systems UC-HfC and ThC-HfC, one finds a perfect substantiation of the 15%-rule.

• Research Organization: Chemisches Institut der Universitat, Vienna; Metallwerk Plansee AG., Reutte/Tirol, Austria
• NSA Number: NSA-14-001863
• OSTI ID: 4244427
• Journal Information: Powder Met. Bull., Journal Name: Powder Met. Bull. Vol. Vol: 7
• Country of Publication: Country unknown/Code not available
• Language: German

Related Subjects

CARBIDES
CHROMIUM CARBIDES
COMPACTING
HAFNIUM CARBIDES
HOT WORKING
LATTICES
MELTING
METALS, CERAMICS, AND MATERIALS
MOLYBDENUM CARBIDES
NIOBIUM CARBIDES
PHASE DIAGRAMS
SAMPLING
SOLUBILITY
TANTALUM CARBIDES
THORIUM CARBIDES
TITANIUM CARBIDES
TRANSITION METALS
TUNGSTEN CARBIDES
URANIUM CARBIDES
VANADIUM CARBIDES
ZIRCONIUM CARBIDES