Difference between revisions of "Flux"
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A substance that assists in the fusing of [[mineral|minerals]], [[metal|metals]], ceramic [[glaze|glazes]], or [[glass]]. A flux may lower the melting point, minimize surface tension, coagulate impurities or prevent the formation of oxides. Examples of fluxes are: | A substance that assists in the fusing of [[mineral|minerals]], [[metal|metals]], ceramic [[glaze|glazes]], or [[glass]]. A flux may lower the melting point, minimize surface tension, coagulate impurities or prevent the formation of oxides. Examples of fluxes are: | ||
| − | + | * Alkaline fluxes (used for glazes, glass): [[sodium carbonate]] (soda), [[lead sulfate, basic|white lead]], [[lead tetroxide|red lead]], [[potassium carbonate]] (potash), [[borax]], [[sodium oxide]], and [[lithium oxide]]. | |
| − | + | * Acidic fluxes: [[sodium bisulfate]], potassium bisulfate, and [[boric oxide]]. | |
| − | + | * Oxidizing fluxes: [[sodium nitrate]], [[sodium peroxide]], and [[sodium chlorate]]. | |
| − | + | * Reducing fluxes (used in soldering and welding): sodium carbonate, borax mixed with activated [[charcoal]]. | |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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fondant (Fr.); fondente (It.) | fondant (Fr.); fondente (It.) | ||
| − | == | + | == Resources and Citations == |
* ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976 | * ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976 | ||
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* David Scott, 'Copper Compounds in Metals and Colorants: Oxides and Hydroxides', ''Studies in Conservation'', 42, 93-100, 1997 | * David Scott, 'Copper Compounds in Metals and Colorants: Oxides and Hydroxides', ''Studies in Conservation'', 42, 93-100, 1997 | ||
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[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 11:22, 7 August 2020
Description
A substance that assists in the fusing of minerals, metals, ceramic glazes, or Glass. A flux may lower the melting point, minimize surface tension, coagulate impurities or prevent the formation of oxides. Examples of fluxes are:
- Alkaline fluxes (used for glazes, glass): Sodium carbonate (soda), white lead, red lead, Potassium carbonate (potash), Borax, Sodium oxide, and Lithium oxide.
- Acidic fluxes: Sodium bisulfate, potassium bisulfate, and Boric oxide.
- Oxidizing fluxes: Sodium nitrate, Sodium peroxide, and Sodium chlorate.
- Reducing fluxes (used in soldering and welding): sodium carbonate, borax mixed with activated Charcoal.
Synonyms and Related Terms
fondant (Fr.); fondente (It.)
Resources and Citations
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 336
- G.G. Hawley, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 6th ed., 1961
- Henry Hodges, Artifacts: An Introduction to Early Materials and Technology, Ronald P. Frye, Kingston, Canada, 1988
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- David Scott, 'Copper Compounds in Metals and Colorants: Oxides and Hydroxides', Studies in Conservation, 42, 93-100, 1997