Vapor pressure and evaporation rate of certain heat-resistant compounds in a vacuum at high temperatures

Technical Report · Fri Feb 01 00:00:00 EST 1985

OSTI ID:5618881

Bolgar, A S; Verkhoglyadova, T S; Samsonov, G V

The vapor pressure and evaporation rate of borides of titanium, zirconium, and chrome and of strontium and carbides of titanium, zirconium, and chrome, molybdenum silicide and nitrides of titanium, niobium, and tantalum in a vacuum were studied. It is concluded that all subject compounds evaporate by molecular structures except AlB sub 12' which dissociates, losing the aluminum.

• Research Organization: National Aeronautics and Space Administration, Washington, DC (USA)
• OSTI ID: 5618881
• Report Number(s): N-85-19036; NASA-TM-77807
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
BORIDES
EVAPORATION
VAPOR PRESSURE
CARBIDES
MOLYBDENUM SILICIDES
NITRIDES
CHEMICAL COMPOSITION
MECHANICAL PROPERTIES
THERMODYNAMIC PROPERTIES
BORON COMPOUNDS
CARBON COMPOUNDS
MOLYBDENUM COMPOUNDS
NITROGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
PNICTIDES
REFRACTORY METAL COMPOUNDS
SILICIDES
SILICON COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
360204* - Ceramics
Cermets
& Refractories- Physical Properties