US2497540A - Fluxes for the treatment of light alloys - Google Patents
Fluxes for the treatment of light alloys Download PDFInfo
- Publication number
- US2497540A US2497540A US770763A US77076347A US2497540A US 2497540 A US2497540 A US 2497540A US 770763 A US770763 A US 770763A US 77076347 A US77076347 A US 77076347A US 2497540 A US2497540 A US 2497540A
- Authority
- US
- United States
- Prior art keywords
- magnesium
- flux
- chloride
- chlorides
- fluxes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000004907 flux Effects 0.000 title claims description 24
- 229910001234 light alloy Inorganic materials 0.000 title description 3
- 239000000203 mixture Substances 0.000 claims description 22
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 14
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 11
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 11
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 229910052749 magnesium Inorganic materials 0.000 claims description 8
- 239000011777 magnesium Substances 0.000 claims description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 7
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 7
- 150000002910 rare earth metals Chemical class 0.000 claims description 7
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 7
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000009736 wetting Methods 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 4
- 239000000395 magnesium oxide Substances 0.000 description 4
- 235000011164 potassium chloride Nutrition 0.000 description 4
- 235000002639 sodium chloride Nutrition 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 239000001103 potassium chloride Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 229910001634 calcium fluoride Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- -1 barium fluorides Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
Definitions
- invention -relatesto fluxes forthe treatment I of light alloys consisting of -magnesium hbase 'alloys containing rare earth metals, and
- composition of these fluxes appeared to be very critical in so far as compositions tending to be somewhat fluid showed the pronounced non-wetting effects to be expected in the absence of magnesium chloride, whereas attempts to 55 .20
- the use of "sdiu.m”'and “potassium* fluoride overcome this-difiiculty by'increasing' the amount or thecalcium fluoride until the "flux" 'was ,:so -viscous- -as-to-be--incapab1e" of "showing non' wettingiJcharacteri ticsmroduced: fluxes'gwhichewere 5 aitoo dry sforesatisfactery.gprotection :of the emetal .tagainst oxidation.
- magnesium fluoride is substantially insoluble in certain chloride mixtures not containing magnesium chloride and I have used this discovery to make fluxes which are very satisfactory for use with alloys containing rare earth metals. I inspissate such chloride mixtures with magnesium fluoride and because the latter is practically insoluble in the chloride mixtures non-wetting does not arise. Furthermore, when the flux melts the particles of magnesium fluoride are readily wetted and coated with the protective base in which they do not dissolve and the magnesium fluoride is thereby protected from contact with the rare earth metals in the alloy and so does not react therewith.
- the flux may, however, contain a minor proportion of inspissating agents other than magnesium fluoride. Some small amount of ma nesium chloride may be tolerated in the flux but this should not exceed 2% and is preferably less than 0.5%.
- a flux suitable for the treatment of the aforesaid light alloys is substantially free from magnesium chloride and consists essentially of at least two chlorides of the alkali metals and alkaline earth metals, other than magnesium, these chlorides in the absence of inspissating agents have a liquidus temperature not greater than 610 C., the flux also containing a sufficient quantity of one or more inspissating agents to enable the flux to provide a pasty viscous covering on the molten metal, and at least 75% of the inspissating agents consisting of magnesium fluoride.
- potassium, and sodium chlorides are suitable for inspissation by magnesium fluoride especially in the following percentages of the chloride mixture(s) Per cent Calcium chloride 40-70 Potassium chloride 6-30 Sodium chloride Q. 24-40 Examples of inspissated flux compositions which we have found satisfactory are as follows:
- Magnesium base alloys containing one or more rare earth metals can be treated with fluxes made in accordance with the invention with regular production of finished alloys having at least equal freedom from traces of chloride contamina- 4 tion as commonly produced magnesium base alloys containing aluminium.
- An inspissated flux suitable for the treatment of magnesium alloys-containing-a rare earth metal, which flux is substantially free'from magnesium chloride and consists of at least two chlorides of the alkali metals and alkaline earth metals, other than magnesium, which chlorides when in mixture alone have a liquidus temperature not greater than 610 C., the balance of the flux being a quantity of inspissating agent such as to provide a pasty viscous covering on the molten metal, and at least of the inspissating agent consisting of magnesium fluoride, the quantity of magnesium fluoride being about 20% by weight of the flux.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
Patented Feb. 14, 1950 '"Manchester;England, as'signorto Magnesium Elektron LimitedgLondon, England, a British company NdjDrawing. v.;.App1mamma ,am.26,.misz semi No: 7.1!],763. 'iIn'Great BritainAygu'st;29; l946 12 .Claims.
invention -relatesto fluxes forthe treatment I of light alloys consisting of -magnesium hbase 'alloys containing rare earth metals, and
tains substantially no magnesium chloride. {For dthis :purpose I haveendeavoured to develop a =flux which -contains .a :mixture of 'chlorides .-(which'3[s.term..aflprotectivevbase) having-a sufiiciently low melting pointe-to-eenable the flux to prevent burning of the metal'and to provide,
together with a suflicientlquantity of inspissating ia entsutor enable ..th8ifll=.1Xf.t0l':h&Ve the required iscosityrrawpastyviscous; coverin on ithebmetal. c- -lna.ctherawordslhavazendeavoured toi inspissate a mixture ..of .chlorides .-.not,.containing magnesium chloride in a manner in which it has .;previouslyabeenuproposed':to.einspissate.zchloride mixtures consisting largely ofsmagne'siumachldride. I have, however, found that the inspissation of chloride mixtures not containing magnesium chloride is accompanied by certain difiiculties. For example, attempts to inspissate a chloride mixture solely by means of an addition of magnesia, result in a tendency to liquation and dry top-effects, that is to say the flux cover on top of the molten metal is too dry near to its upper surface, and appears to consist mainly of magnesia insufficiently wetted by the chlorides. These difficulties are apparently due to the poor wetting capacity for MgO of chloride mixtures not containing magnesium chloride.
These difficulties can be overcome by prefusing the magnesia with the chloride mixture but this results in a flux, the composition of which must be adjusted somewhat critically to achieve the required degree of inspissation, and which is barely satisfactory in its ability to extinguish burning magnesium.
Accordingly I have attempted to inspissate these chloride mixtures with calcium fluoride.
The composition of these fluxes appeared to be very critical in so far as compositions tending to be somewhat fluid showed the pronounced non-wetting effects to be expected in the absence of magnesium chloride, whereas attempts to 55 .20 The use of "sdiu.m"'and "potassium* fluoride overcome this-difiiculty by'increasing' the amount or thecalcium fluoride until the "flux" 'was ,:so -viscous- -as-to-be--incapab1e" of "showing non' wettingiJcharacteri ticsmroduced: fluxes'gwhichewere 5 aitoo dry sforesatisfactery.gprotection :of the emetal .tagainst oxidation. 'flihetxrange of composition abetween, fluxes-showing qthe non-wetting attendency and-thoser whiohaarentoo; dry. isx-itooz narrow .iorasatisfactory :rcom-mercial. productiona: of-; such lfluxes-eand moreover tdzhe ipptimum .a.calcium s fluoride; acontent rvariestwith temperature of, the ametalv zunderet-reatment.
Attempts to use-.;calcium :fluoridel andimagnesia atg ether ;;save efiuxes gqpOSSessihg -to vsome extent ethe r-disadvantages 1:. associated with sthe separate use ofv both these inspissating agents.
"The -use of ;:strontium and "barium fluorides also produced disadvantages'similar to"thosei.ac-
companying the use'of'calcium fluoride.
gives rise; to introduction of "small amountsfof sodium and traces "of-potassiumintothe'metal nbqth sofewlhichuaiieimbjefltmnablajn addition to non-wetting difficulties.
The us of nma'gnesium ilfiuoride 'was :zinitially QQQXlSldBI'Bd 1impractitable; not 'onlyv-beca-use ituis sine-re. costly l-than-sanyeof ,"lihe fluorides :above .e-mentioned; abut more particularly: because it .:-is
- ..well-:.known that rqmagnesi-um v fluoride will react with the rare earth metals in the same way as magnesium chloride.
I have now made the surprising discovery that unlike the fluorides of sodium, potassium, calcium, strontium, or barium, magnesium fluoride is substantially insoluble in certain chloride mixtures not containing magnesium chloride and I have used this discovery to make fluxes which are very satisfactory for use with alloys containing rare earth metals. I inspissate such chloride mixtures with magnesium fluoride and because the latter is practically insoluble in the chloride mixtures non-wetting does not arise. Furthermore, when the flux melts the particles of magnesium fluoride are readily wetted and coated with the protective base in which they do not dissolve and the magnesium fluoride is thereby protected from contact with the rare earth metals in the alloy and so does not react therewith.
The flux may, however, contain a minor proportion of inspissating agents other than magnesium fluoride. Some small amount of ma nesium chloride may be tolerated in the flux but this should not exceed 2% and is preferably less than 0.5%.
According to the present invention therefore,
a flux suitable for the treatment of the aforesaid light alloys is substantially free from magnesium chloride and consists essentially of at least two chlorides of the alkali metals and alkaline earth metals, other than magnesium, these chlorides in the absence of inspissating agents have a liquidus temperature not greater than 610 C., the flux also containing a sufficient quantity of one or more inspissating agents to enable the flux to provide a pasty viscous covering on the molten metal, and at least 75% of the inspissating agents consisting of magnesium fluoride.
I find in particular that mixtures of calcium,
potassium, and sodium chlorides are suitable for inspissation by magnesium fluoride especially in the following percentages of the chloride mixture(s) Per cent Calcium chloride 40-70 Potassium chloride 6-30 Sodium chloride Q. 24-40 Examples of inspissated flux compositions which we have found satisfactory are as follows:
CaClz 41 25.5 49 NaCl 26 23.5 KCl 9 47 BaClz 7 .5 SIC12 7.5 MgFz 24 20 20 In these examples the figures indicate percentages by weight of th compositions.
Magnesium base alloys containing one or more rare earth metals can be treated with fluxes made in accordance with the invention with regular production of finished alloys having at least equal freedom from traces of chloride contamina- 4 tion as commonly produced magnesium base alloys containing aluminium.
I claim:
1. An inspissated fluxsuitable for the treatment of magnesium alloys-containing-a rare earth metal, which flux is substantially free'from magnesium chloride and consists of at least two chlorides of the alkali metals and alkaline earth metals, other than magnesium, which chlorides when in mixture alone have a liquidus temperature not greater than 610 C., the balance of the flux being a quantity of inspissating agent such as to provide a pasty viscous covering on the molten metal, and at least of the inspissating agent consisting of magnesium fluoride, the quantity of magnesium fluoride being about 20% by weight of the flux.
2. A flux as claimed in claim 1 wherein the chlorides consist of the chlorides of calcium, po-
tassium and sodium, in the following percentages of the total chloride mixture:
Per cent Calcium chloride 40-70 Potassium chloride 6-30 Sodium chloride 24-40 EDWARD FREDERICK EMLEY.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 2,121,292 Haughton et a1. June 21, 1938 2,327,065 Reimers Aug. 17, 1943 2,396,604. Reimers Mar. 12, 1946 FOREIGN PATENTS I Number Country Date 342,586 Great Britain Feb. 5, 1931 403,891 Great Britain Jan. 4, 1934 489,700 Great Britain Aug. 6, 1938 OTHER REFERENCES Marande, Materials and Methods, February 1946, pp. 418-424.
Claims (1)
1. AN INSPISSATED FLUX SUITABLE FOR THE TREATMENT OF MAGNESIUM ALLOYS CONTAINING A RARE EARTH METAL, WHICH FLUX IS SUBSTANTIALLY FREE FROM MAGNESIUM CHLORIDE AND CONSISTS OF AT LEAST TWO CHLORIDES OF THE ALKALI METALS AND ALKALINE EARTH METALS, OTHER THAN MAGNESIUM, WHICH CHLORIDES WHEN IN MIXTURE ALONE HAVE A LIQUIDUS TEMPERATURE NOT GREATER THAN 610*C., THE BALANCE OF THE FLUX BEING A QUANTITY OF INSPISSATING AGENT SUCH AS TO PROVIDE A PASTY VISCOUS COVERING ON THE MOLTEN METAL, AND AT LEAST 75% OF THE INSPISSATING AGENT CONSISTING OF MAGNESIUM FLUORIDE, THE QUANTITY OF MAGNESIUM FLUORIDE BEING ABOUT 20% BY WEIGHT OF THE FLUX.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2497540X | 1946-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2497540A true US2497540A (en) | 1950-02-14 |
Family
ID=10908426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US770763A Expired - Lifetime US2497540A (en) | 1946-08-29 | 1947-08-26 | Fluxes for the treatment of light alloys |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US2497540A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2797990A (en) * | 1953-03-12 | 1957-07-02 | Dominion Magnesium Ltd | Flux for magnesium alloys containing zirconium |
| US3167425A (en) * | 1960-04-29 | 1965-01-26 | Magnesium Elektron Ltd | Method of producing a magnesium base alloy |
| US20100307293A1 (en) * | 2009-06-08 | 2010-12-09 | Pyrotek Inc. | Use of a binary salt flux of nacl and mgcl2 for the purification of aluminium or aluminium alloys, and method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB342586A (en) * | 1929-04-15 | 1931-02-05 | I.G. Farbenindustrie Aktiengesellschaft | |
| GB403891A (en) * | 1932-08-03 | 1934-01-04 | Dow Chemical Co | Improvements in melting and purifying magnesium and magnesium alloys |
| US2121292A (en) * | 1936-05-05 | 1938-06-21 | Haughton John Leslie | Magnesium alloys containing cerium and other elements |
| GB489700A (en) * | 1936-01-06 | 1938-08-02 | Produits Chim Terres Rares Soc | Improvements relating to the melting and refining of magnesium and its alloys |
| US2327065A (en) * | 1941-08-30 | 1943-08-17 | Dow Chemical Co | Welding flux for magnesium base alloys |
| US2396604A (en) * | 1942-11-21 | 1946-03-12 | Dow Chemical Co | Welding flux for magnesium alloys |
-
1947
- 1947-08-26 US US770763A patent/US2497540A/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB342586A (en) * | 1929-04-15 | 1931-02-05 | I.G. Farbenindustrie Aktiengesellschaft | |
| GB403891A (en) * | 1932-08-03 | 1934-01-04 | Dow Chemical Co | Improvements in melting and purifying magnesium and magnesium alloys |
| GB489700A (en) * | 1936-01-06 | 1938-08-02 | Produits Chim Terres Rares Soc | Improvements relating to the melting and refining of magnesium and its alloys |
| US2121292A (en) * | 1936-05-05 | 1938-06-21 | Haughton John Leslie | Magnesium alloys containing cerium and other elements |
| US2327065A (en) * | 1941-08-30 | 1943-08-17 | Dow Chemical Co | Welding flux for magnesium base alloys |
| US2396604A (en) * | 1942-11-21 | 1946-03-12 | Dow Chemical Co | Welding flux for magnesium alloys |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2797990A (en) * | 1953-03-12 | 1957-07-02 | Dominion Magnesium Ltd | Flux for magnesium alloys containing zirconium |
| US3167425A (en) * | 1960-04-29 | 1965-01-26 | Magnesium Elektron Ltd | Method of producing a magnesium base alloy |
| US20100307293A1 (en) * | 2009-06-08 | 2010-12-09 | Pyrotek Inc. | Use of a binary salt flux of nacl and mgcl2 for the purification of aluminium or aluminium alloys, and method thereof |
| US7988763B2 (en) | 2009-06-08 | 2011-08-02 | Pyrotek Inc. | Use of a binary salt flux of NaCl and MgCl2 for the purification of aluminium or aluminium alloys, and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2848321A (en) | Drossing fluxes | |
| US2654670A (en) | Flux for treating aluminum and aluminum alloys | |
| US2497540A (en) | Fluxes for the treatment of light alloys | |
| US2170863A (en) | Process for melting up light metal scrap | |
| US2310231A (en) | Brazing solder | |
| US3748121A (en) | Treatment of molten ferrous metals | |
| US2261906A (en) | Method of alloying magnesium with manganese | |
| US2261905A (en) | Method of alloying magnesium with manganese | |
| US2604394A (en) | Magnesium base alloys | |
| US2266122A (en) | Silicon alloy | |
| US2497539A (en) | Process and flux for the treatment of light metals | |
| US1916496A (en) | Method of making lead alloys | |
| US2452914A (en) | Process and composition for producing magnesium-zirconium alloys | |
| RU2217512C2 (en) | Flux for refining and protecting magnesium and its alloys against burning | |
| US2497537A (en) | Zirconium carrying alloying substance | |
| US2464925A (en) | Welding flux | |
| US2497538A (en) | Fluxes for use in the treatment of light metals | |
| US3186881A (en) | Aluminum flux | |
| US2497529A (en) | Process for production of magnesium base alloys containing zirconium | |
| GB1413848A (en) | Grain refining compositions | |
| US2686946A (en) | Refining beryllium in the presence of a flux | |
| US2706679A (en) | Lithium halide flux for treating magnesium-lithium alloys | |
| US2372563A (en) | Fluxes for use in the treatment of light metals | |
| US2290296A (en) | Process for preparing lead alloys | |
| SU616314A1 (en) | Flux for processing aluminium alloys |