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Subsolidus compatibility in the system NaCl-KCl-AlCl3-NaF-KF-AlF3.

Authors
Sorrell-CA; Groetsch-JG Jr.
Source
J Am Ceram Soc 1986 Apr; 69(4):333-338
NIOSHTIC No.
10005072
Abstract
The chemistry and properties of salts used as fluxes for recycling aluminum were studied. Many fluxing salts fall within the system nacl-kcl-alcl3-naf-kf-alf3, which has been shown to be a reciprocal system, with naf-kcl, kcl-alf3, and nacl-alf3 as the stable mixed- halide binaries. Twelve subsolidus compatibility tetrahedra were determined by x-ray analyses of samples heated in evacuated sealed tubes. X-ray measurements of quenched and annealed samples indicate that elpasolite, nominally k2naalf6, has a compositional range between 60 mol % na3alf6, 40 mol % k3alf6 and 25 mol % na3alf6, 75 mol % k3alf6. Improved x-ray powder data are given for kalf4, showing a previously reported structure to be essentially correct.
CODEN
JACTAW
Publication Date
19860401
Document Type
OP; Journal Article
Fiscal Year
1986
NTIS Accession No.
NTIS Price
Identifying No.
OP 46-86
Issue of Publication
4
ISSN
0002-7820
NIOSH Division
AVRC
Source Name
Journal of the American Ceramic Society
State
MD
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