FR831403A - Method for regulating and maintaining the efficiency of salt baths usable for the treatment of light metals - Google Patents

Method for regulating and maintaining the efficiency of salt baths usable for the treatment of light metals

Info

Publication number
FR831403A
FR831403A FR831403DA FR831403A FR 831403 A FR831403 A FR 831403A FR 831403D A FR831403D A FR 831403DA FR 831403 A FR831403 A FR 831403A
Authority
FR
France
Prior art keywords
regulating
maintaining
treatment
efficiency
light metals
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
Other languages
French (fr)
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Deutsche Gold und Silber Scheideanstalt
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 Degussa GmbH, Deutsche Gold und Silber Scheideanstalt filed Critical Degussa GmbH
Application granted granted Critical
Publication of FR831403A publication Critical patent/FR831403A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
    • B23K11/004—Welding of a small piece to a great or broad piece
    • B23K11/0046—Welding of a small piece to a great or broad piece the extremity of a small piece being welded to a base, e.g. cooling studs or fins to tubes or plates
    • B23K11/0053—Stud welding, i.e. resistive
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C21D1/44—Methods of heating in heat-treatment baths
    • C21D1/46—Salt baths

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Anti-Oxidant Or Stabilizer Compositions (AREA)
  • Luminescent Compositions (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
FR831403D 1936-12-31 1937-12-28 Method for regulating and maintaining the efficiency of salt baths usable for the treatment of light metals Expired FR831403A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201360X 1936-12-31
DED74553D DE752422C (en) 1936-12-31 1937-02-10 Process for the treatment of light metals in nitrates or nitrate-nitrite mixtures and fused baths containing bichromate

Publications (1)

Publication Number Publication Date
FR831403A true FR831403A (en) 1938-09-02

Family

ID=25749987

Family Applications (1)

Application Number Title Priority Date Filing Date
FR831403D Expired FR831403A (en) 1936-12-31 1937-12-28 Method for regulating and maintaining the efficiency of salt baths usable for the treatment of light metals

Country Status (5)

Country Link
AT (1) AT160307B (en)
CH (1) CH201360A (en)
DE (1) DE752422C (en)
FR (1) FR831403A (en)
GB (1) GB508541A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT129294B (en) * 1929-12-11 1933-07-25 Ig Farbenindustrie Ag Process for protecting magnesium and magnesium alloys against attack by heating baths made from molten salt.
US1840562A (en) * 1931-02-20 1932-01-12 Aluminum Co Of America Method of heat-treating aluminum and articles thereby

Also Published As

Publication number Publication date
AT160307B (en) 1941-04-10
DE752422C (en) 1952-11-04
GB508541A (en) 1939-06-29
CH201360A (en) 1938-11-30

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