NDLI: The Solubility of Aluminum in Cryolite-Based Electrolyte-Containing KF

Content Provider	Springer Nature Link
Author	Zhang, Yu Yu, Jiangyu Gao, Bingliang Liu, Yibai Hu, Xianwei Shi, Zhongning Wang, Zhaowen
Copyright Year	2016
Abstract	The solubility of aluminum in NaF-AlF$_{3}$-CaF$_{2}$-KF-A1$_{2}$O$_{3}$ electrolyte system at 1253 K (980 °C) has been measured by the analysis of quenched samples saturated with aluminum. The content of the dissolved metal in the quenched melt was determined by collecting the volume of hydrogen gas when a finely crushed sample is treated with HCl. Addition of 0 to 5 pct KF has no obvious effect on the solubility of aluminum in cryolite-based melts with molar ratio of NaF/AlF$_{3}$ (cryolite ratio) ranging from 2.2 to 3.0. The solubility of aluminum increases from 0.015 to 0.026 wt pct with cryolite ratio increases from 2.2 to 4.0 in the NaF-AlF$_{3}$-5 wt pct CaF$_{2}$-3 wt pct A1$_{2}$O$_{3}$ electrolyte at 1253 K (980 °C). Aluminum solubility was affected by both chemical replacement reaction of Al + 3NaF = AlF$_{3}$ + 3Na and physical dissolution.
Starting Page	1296
Ending Page	1301
Page Count	6
File Format	PDF
ISSN	10735615
Journal	Metallurgical and Materials Transactions B
Volume Number	47
Issue Number	2
e-ISSN	15431916
Language	English
Publisher	Springer US
Publisher Date	2016-01-19
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Metallic Materials Characterization and Evaluation of Materials Structural Materials Surfaces and Interfaces, Thin Films Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Metals and Alloys Mechanics of Materials Condensed Matter Physics

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