NDLI: Study of Condensed Phases, of Vaporization Temperatures of Aluminum Oxide and Aluminum, of Sublimation Temperature of Aluminum Nitride and Composition in an Air Aluminum Plasma

Content Provider	Springer Nature Link
Author	André, P. Abbaoui, M. Augeard, A. Desprez, P. Singo, T.
Copyright Year	2016
Abstract	With the Gibbs free energy method, we determine the molar fraction in a plasma at and out of thermal equilibrium consisting of air and aluminum for several percentages in the temperature range of 500–6000 K. We take three temperatures into account (T $_{ rot }$ = T $_{ h }$; T $_{ vib }$; T $_{ ex }$ = T $_{ e }$). We indicate the formulae and the numerical method used to perform the calculation taking three condensed phases AlN, Al, Al$_{2}$O$_{3}$ into account. We show that the air percentage plays a major role to create these phases. We clarify the role plays on the vaporization temperatures and on the sublimation temperature by the non-thermal equilibrium of the plasma. This kind of plasma is found in arc roots, near a wall, in plasmas with a high value of electrical field,… The influence of the pressures until 30 × 10$^{5}$ Pa. is shown on molar fraction of the chemical species, on the vaporization temperatures and on the sublimation temperature. The vaporization temperatures are given versus the thermal non equilibrium versus various mixtures (air, aluminum) and versus the pressures (10$^{5}$ Pa–30 × 10$^{5}$ Pa).
Starting Page	1161
Ending Page	1175
Page Count	15
File Format	PDF
ISSN	02724324
Journal	Plasma Chemistry and Plasma Processing
Volume Number	36
Issue Number	4
e-ISSN	15728986
Language	English
Publisher	Springer US
Publisher Date	2016-04-19
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Aluminum nitride Aluminum oxide Aluminum Plasma Vaporization temperature Sublimation temperature Chemical equilibrium Multitemperature plasma Inorganic Chemistry Mechanics Characterization and Evaluation of Materials Mechanical Engineering
Content Type	Text
Resource Type	Article
Subject	Chemistry Surfaces, Coatings and Films Condensed Matter Physics Chemical Engineering

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