Standard molar enthalpies of formation of MeAl (Me = Ru, Rh, Os, Ir)
Journal Article
·
· Metallurgical Transactions, B (Process Metallurgy); (United States)
- Steelmaking Dept., Research Inst. of Industrial Science and Technology, Pohang (KR)
- Chicago Univ., IL (United States). James Franck Inst.
The standard molar enthalpies of formation of RuAl, RhAl, and IrAl have been determined by the direct combination method using a high-temperature calorimeter operated at (1473 {plus minus} 2) K. The following values are reported: {Delta}H{sup 0}{sub f}(RuAl) = {minus}(124.1 {plus minus} 3.3) kJ/mol; {Delta}H{sup 0}{sub f}(RhAl) = {minus}(212.6 {plus minus} 3.2) kJ/mol; and {Delta}H{sup 0}{sub f}(IrAl) = {minus}(185.5 {plus minus} 3.5) kJ/mol. For OsAl, an approximate values is {minus}77 kJ/mol. IN this paper, the results are compared with available data for related alloys and with predicted values.
- OSTI ID:
- 7143830
- Journal Information:
- Metallurgical Transactions, B (Process Metallurgy); (United States), Journal Name: Metallurgical Transactions, B (Process Metallurgy); (United States) Vol. 23B; ISSN 0360-2141; ISSN MTTBC
- Country of Publication:
- United States
- Language:
- English
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Thu Dec 31 23:00:00 EST 1987
·
OSTI ID:5490148
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· American Mineralogist; (United States)
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OSTI ID:7006403
Related Subjects
36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
661300 -- Other Aspects of Physical Science-- (1992-)
664200 -- Spectra of Atoms & Molecules & their Interactions with Photons-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
ALLOYS
ALUMINIUM ALLOYS
CALORIMETRY
ENTHALPY
IRIDIUM ALLOYS
OSMIUM ALLOYS
PHYSICAL PROPERTIES
PLATINUM METAL ALLOYS
RHENIUM ALLOYS
RUTHENIUM ALLOYS
TEMPERATURE EFFECTS
TEMPERATURE RANGE
TEMPERATURE RANGE 0400-1000 K
THERMODYNAMIC PROPERTIES
360104* -- Metals & Alloys-- Physical Properties
661300 -- Other Aspects of Physical Science-- (1992-)
664200 -- Spectra of Atoms & Molecules & their Interactions with Photons-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
74 ATOMIC AND MOLECULAR PHYSICS
ALLOYS
ALUMINIUM ALLOYS
CALORIMETRY
ENTHALPY
IRIDIUM ALLOYS
OSMIUM ALLOYS
PHYSICAL PROPERTIES
PLATINUM METAL ALLOYS
RHENIUM ALLOYS
RUTHENIUM ALLOYS
TEMPERATURE EFFECTS
TEMPERATURE RANGE
TEMPERATURE RANGE 0400-1000 K
THERMODYNAMIC PROPERTIES