GB968345A - Method of modifying the composition of strip metal - Google Patents

Method of modifying the composition of strip metal

Info

Publication number
GB968345A
GB968345A GB20952/61A GB2095261A GB968345A GB 968345 A GB968345 A GB 968345A GB 20952/61 A GB20952/61 A GB 20952/61A GB 2095261 A GB2095261 A GB 2095261A GB 968345 A GB968345 A GB 968345A
Authority
GB
United Kingdom
Prior art keywords
furnace
closed circuit
reactant gas
duct
damper
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
GB20952/61A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB968345A publication Critical patent/GB968345A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • 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
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Abstract

<PICT:0968345/C6-C7/1> Forced-convection heat-treatment of opened coils takes place in a furnace comprising a base structure supporting the coils, a closed circuit incorporating heating elements by which atmosphere gas is continuously circulated through the furnace, and a second closed circuit by which reactant gas, e.g. ammonia, is similarly continuously circulated. As shown, the coil C rests on a grid P1 above a plenum chamber P containing baffles B, B1. The first closed circuit comprises an inlet duct 3 with a damper 7, a fan 4, a heating chamber 5 containing, e.g., radiant tubes, and an outlet duct 6 with a damper 8. The second closed circuit comprises a duct 9 with dampers 11, 12, a fan 10 and a pipe 13 supplying reactant gas. A valve-controlled bleed-off pipe is provided in the furnace. The two circuits may be operated alternately, or reactant gas may be supplied either to the furnace or to the first circuit, and be circulated in the latter. Specification 968,346 is referred to.
GB20952/61A 1960-07-01 1961-06-09 Method of modifying the composition of strip metal Expired GB968345A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40375A US3109877A (en) 1960-07-01 1960-07-01 Apparatus for modifying the composition of strip metal

Publications (1)

Publication Number Publication Date
GB968345A true GB968345A (en) 1964-09-02

Family

ID=21910645

Family Applications (2)

Application Number Title Priority Date Filing Date
GB45452/62A Expired GB968346A (en) 1960-07-01 1961-06-09 Apparatus for modifying the composition of strip metal
GB20952/61A Expired GB968345A (en) 1960-07-01 1961-06-09 Method of modifying the composition of strip metal

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB45452/62A Expired GB968346A (en) 1960-07-01 1961-06-09 Apparatus for modifying the composition of strip metal

Country Status (4)

Country Link
US (1) US3109877A (en)
BE (1) BE605609A (en)
DE (1) DE1408978C3 (en)
GB (2) GB968346A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133422A (en) * 1982-12-11 1984-07-25 Maschf Augsburg Nuernberg Ag Coating by chemical vapour-phase reaction between workpiece and reactants
GB2167170A (en) * 1984-11-21 1986-05-21 Salem Furnace Heat treatment of coils of metal

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3168607A (en) * 1960-12-28 1965-02-02 Greene Ben Methods of heat treating articles
BE600643A (en) * 1961-02-24 1961-08-24 Metallurg D Esperance Longdoz Method and device for annealing thin sheets.
AT244374B (en) * 1961-03-07 1966-01-10 Ame Metallurg D Esperance Long Process and device for the decarburizing and denitrifying annealing of steel sheets in the form of loosely wound coils in moist hydrogen
FR1325011A (en) * 1962-03-14 1963-04-26 Heurtey Sa Process for the heat treatment of coils of metal in strips with open turns and apparatus allowing the implementation of such a process
US3211590A (en) * 1962-08-17 1965-10-12 Hazen Engineering Company Method of and apparatus for annealing sheet metal
US3174883A (en) * 1963-02-19 1965-03-23 Hazen Engineering Company Method of and apparatus for annealing metal bodies
US3313660A (en) * 1963-07-15 1967-04-11 Crucible Steel Co America Cutting articles and stock therefor and methods of making the same
US3281290A (en) * 1964-03-09 1966-10-25 United States Steel Corp Open coil annealing
US3459416A (en) * 1965-06-21 1969-08-05 Loftus Engineering Corp Industrial furnaces
US3290184A (en) * 1965-08-13 1966-12-06 Armco Steel Corp Annealing metal in coils
US4817920A (en) * 1984-11-21 1989-04-04 Salem Furnace Co. Apparatus for continuous heat treatment of metal strip in coil form
US4740158A (en) * 1987-01-28 1988-04-26 Combustion Research Corporation Radiant energy drying oven with fume incineration feature
US7115304B2 (en) * 2004-02-19 2006-10-03 Nanosolar, Inc. High throughput surface treatment on coiled flexible substrates
US7947218B2 (en) * 2006-06-08 2011-05-24 Novelis Inc. Apparatus and method for coil cooling
US8529700B2 (en) * 2009-08-31 2013-09-10 E I Du Pont De Nemours And Company Apparatus for gaseous vapor deposition
US8551249B2 (en) * 2009-08-31 2013-10-08 E I Du Pont De Nemours And Company Film cassette for gaseous vapor deposition
US8534591B2 (en) * 2009-08-31 2013-09-17 E I Du Pont De Nemours And Company Apparatus and method for loading a film cassette for gaseous vapor deposition
US8524003B2 (en) * 2009-08-31 2013-09-03 E I Du Pont De Nemours And Company Loaded film cassette for gaseous vapor deposition

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1569355A (en) * 1920-12-21 1926-01-12 Westinghouse Electric & Mfg Co Method of annealing sheet steel
US1727192A (en) * 1926-08-20 1929-09-03 Thaddeus F Baily Annealing equipment and method
US1857215A (en) * 1930-03-05 1932-05-10 Gen Electric Electrical induction apparatus
US2158065A (en) * 1935-01-09 1939-05-16 American Rolling Mill Co Art of producing magnetic materials
US2161162A (en) * 1938-01-06 1939-06-06 Leeds & Northrup Co Method of carburizing
US2275133A (en) * 1940-01-02 1942-03-03 Borg Warner Method of carburizing
US2998303A (en) * 1958-08-26 1961-08-29 Midland Ross Corp Method for purifying hydrogen contaminated with methane
US2975083A (en) * 1959-11-05 1961-03-14 William E Engelhard Carburizing procedure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133422A (en) * 1982-12-11 1984-07-25 Maschf Augsburg Nuernberg Ag Coating by chemical vapour-phase reaction between workpiece and reactants
GB2167170A (en) * 1984-11-21 1986-05-21 Salem Furnace Heat treatment of coils of metal

Also Published As

Publication number Publication date
US3109877A (en) 1963-11-05
DE1408978B2 (en) 1970-11-05
GB968346A (en) 1964-09-02
DE1408978A1 (en) 1968-10-17
BE605609A (en) 1961-11-03
DE1408978C3 (en) 1970-11-05

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