DE569771C - Cooling fluid for parts of internal combustion engines made of magnesium alloys - Google Patents

Cooling fluid for parts of internal combustion engines made of magnesium alloys

Info

Publication number
DE569771C
DE569771C DEI42263D DEI0042263D DE569771C DE 569771 C DE569771 C DE 569771C DE I42263 D DEI42263 D DE I42263D DE I0042263 D DEI0042263 D DE I0042263D DE 569771 C DE569771 C DE 569771C
Authority
DE
Germany
Prior art keywords
internal combustion
combustion engines
parts
magnesium alloys
cooling fluid
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
Application number
DEI42263D
Other languages
German (de)
Inventor
Dr Josef Martin Michel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to DEI42263D priority Critical patent/DE569771C/en
Application granted granted Critical
Publication of DE569771C publication Critical patent/DE569771C/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/20—Antifreeze additives therefor, e.g. for radiator liquids
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/18—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using inorganic inhibitors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Description

Kühlflüssigkeit für aus Magnesiumlegierungen bestehende Teile von Brennkraftmaschinen In neuerer Zeit ist vielfach und mit gutem Erfolge empfohlen worden, dem als Kühlmittel für Brennkraftmaschinen verwendeten Wasser zwecks Erhöhung der Kühlwirkung und Verminderung der Einfriergefahr in der kalten Jahreszeit entweder mehrwertige Alkohole, wie z. B. Glykol und Glycerin, zuzu-#,etzen oder aber diese Stoffe selbst überhaupt als Kühlmittel zu verwenden. Dabei hat sich bezeigt, daß bei Verwendung von Magnesium und seinen Legierungen als Baustoff für die von der Flüssigkeit durchflossenen Teile das .Metall von mehrwertigen Alkoholen teils schon bei gewöhnlicher Temperatur, regelmäßig aber bei den in den Motoren (z. B. in dem Zylinderblock) auftretenden höheren Temperaturen in mehr oder minder großem Umfange angegriffen wird.Coolant for magnesium alloy parts of Internal combustion engines In recent times is recommended many times and with good results been, the water used as a coolant for internal combustion engines for the purpose of increasing the cooling effect and reducing the risk of freezing in the cold season either polyhydric alcohols, such as. B. Glycol and Glycerin, zuzu - #, et or these To use substances themselves as coolants at all. It has been shown that when using magnesium and its alloys as a building material for the Liquid flowed through parts of the metal of polyhydric alcohols partly already at normal temperature, but regularly at the temperatures in the engines (e.g. in the Cylinder block) occurring higher temperatures to a greater or lesser extent is attacked.

Es wurde nun die Beobachtung gemacht. daß durch einen geringen Zusatz von Alkalifluoriden zu den als Kühlmittel entweder allein oder im Gemisch mit Wasser verwendeten mehrwertigen Alkoholen der Angriff der letzteren auf das Magnesium und seine Legierungen praktisch völlig unterdrückt wird. Temperatur und Zusammensetzung Gewicht ver- der Kühlflüssigkeit minderuni; in g m=undTag Glykol 150-'C . . . . . . . . . . . . . . . . . . . . . . . . -56,5 Magnesiumlegierung I Glykol 150P C -E- 0,5 ° " Kaliumfluorid . . . - 0,o-2 (t@" " Al, 10 (a Zn, 0,3°Mn) Glycerin :Wasser .-= i : i ioo' C . . . . . . . . - 6,2 Glycerin :Wasser _- i : i ioo' C -;- o,2 " " i Kaliumfluorid ..................... - 0,02 Die vorstehende Übersicht gibt einen vergleichenden Überblick über die durch den Zusatz von Alkalifluorid zu den in Rede stehenden Kühlmitteln erzielten günstigen Ergebnisse .The observation was now made. that by adding a small amount of alkali fluorides to the polyhydric alcohols used as coolants either alone or in a mixture with water, the attack of the latter on the magnesium and its alloys is practically completely suppressed. Temperature and composition weight the coolant minderuni; in gm = and day Glycol 150-'C. . . . . . . . . . . . . . . . . . . . . . . . -56.5 Magnesium alloy I Glycol 150P C -E- 0.5 ° "Potassium fluoride... - 0, o-2 (t @ "" Al, 1 0 (a Zn, 0.3 ° Mn) glycerine: water .- = i: 100 'C........ - 6.2 Glycerin: water _- i: i ioo 'C -; - o, 2 "" i Potassium fluoride ..................... - 0.02 The above overview gives a comparative overview of the favorable results achieved by adding alkali fluoride to the coolants in question.

Die in der Schlußspalte angegebene Gewichtsveränderung ist ein Maß für den korrodierenden Angriff.The change in weight given in the final column is a measure for the corrosive attack.

Claims (1)

lATENT-1\1SL'RUC11: Kühlflüssigkeit für aus Magnesiumlegierungen bestehende Teile von Brennkraftmaschinen, bestehend in einem mehrwertigen Alkohol mit einem Gehalt an geringen Mengen eines Alkalifluorids, ge-2ebenenfalls in Anwesenheit von Wasser.lATENT-1 \ 1SL'RUC11: coolant for use with magnesium alloys Parts of internal combustion engines, consisting in a polyhydric alcohol with a Content of small amounts of an alkali fluoride, possibly also in the presence of Water.
DEI42263D 1931-08-07 1931-08-07 Cooling fluid for parts of internal combustion engines made of magnesium alloys Expired DE569771C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEI42263D DE569771C (en) 1931-08-07 1931-08-07 Cooling fluid for parts of internal combustion engines made of magnesium alloys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI42263D DE569771C (en) 1931-08-07 1931-08-07 Cooling fluid for parts of internal combustion engines made of magnesium alloys

Publications (1)

Publication Number Publication Date
DE569771C true DE569771C (en) 1933-02-08

Family

ID=7190747

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI42263D Expired DE569771C (en) 1931-08-07 1931-08-07 Cooling fluid for parts of internal combustion engines made of magnesium alloys

Country Status (1)

Country Link
DE (1) DE569771C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005047419A1 (en) * 2003-11-13 2005-05-26 Vladisav Milovanovic The nontoxic watery solution against freezing and corrosion and the regenerator for the utilized antifreeze
US7588695B2 (en) 2003-03-25 2009-09-15 Basf Aktiengesellschaft Antifreeze concentrates and coolant compositions based on polyglycols and amides for protecting magnesium and the alloys thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7588695B2 (en) 2003-03-25 2009-09-15 Basf Aktiengesellschaft Antifreeze concentrates and coolant compositions based on polyglycols and amides for protecting magnesium and the alloys thereof
WO2005047419A1 (en) * 2003-11-13 2005-05-26 Vladisav Milovanovic The nontoxic watery solution against freezing and corrosion and the regenerator for the utilized antifreeze

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