GB804864A - Improvements in the production of atmospheres for the gaseous cementation of ferrousalloys - Google Patents

Improvements in the production of atmospheres for the gaseous cementation of ferrousalloys

Info

Publication number
GB804864A
GB804864A GB205956A GB205956A GB804864A GB 804864 A GB804864 A GB 804864A GB 205956 A GB205956 A GB 205956A GB 205956 A GB205956 A GB 205956A GB 804864 A GB804864 A GB 804864A
Authority
GB
United Kingdom
Prior art keywords
volume
per cent
cementation
gaseous
atmospheres
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
GB205956A
Other languages
English (en)
Inventor
Louis George Whybro Palethorpe
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.)
Wild Barfield Electric Furnaces Ltd
Original Assignee
Wild Barfield Electric Furnaces Ltd
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
Priority to BE545645D priority Critical patent/BE545645A/xx
Priority to NL106151D priority patent/NL106151C/xx
Priority claimed from GB283054A external-priority patent/GB748320A/en
Application filed by Wild Barfield Electric Furnaces Ltd filed Critical Wild Barfield Electric Furnaces Ltd
Priority to GB205956A priority patent/GB804864A/en
Priority to DEW18512A priority patent/DE1017634B/de
Publication of GB804864A publication Critical patent/GB804864A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Lubricants (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
GB205956A 1954-01-29 1956-01-20 Improvements in the production of atmospheres for the gaseous cementation of ferrousalloys Expired GB804864A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE545645D BE545645A (enrdf_load_stackoverflow) 1954-01-29
NL106151D NL106151C (enrdf_load_stackoverflow) 1954-01-29
GB205956A GB804864A (en) 1954-01-29 1956-01-20 Improvements in the production of atmospheres for the gaseous cementation of ferrousalloys
DEW18512A DE1017634B (de) 1954-01-29 1956-02-24 Verfahren zur Herstellung von Atmosphaeren fuer die Gaszementierung von Eisenlegierungen

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB283054A GB748320A (en) 1954-01-29 1954-01-29 Improvements in the production of atmospheres for the gaseous cementation of ferrous alloys
GB3471254 1954-11-30
GB205956A GB804864A (en) 1954-01-29 1956-01-20 Improvements in the production of atmospheres for the gaseous cementation of ferrousalloys

Publications (1)

Publication Number Publication Date
GB804864A true GB804864A (en) 1958-11-26

Family

ID=32329526

Family Applications (1)

Application Number Title Priority Date Filing Date
GB205956A Expired GB804864A (en) 1954-01-29 1956-01-20 Improvements in the production of atmospheres for the gaseous cementation of ferrousalloys

Country Status (4)

Country Link
BE (1) BE545645A (enrdf_load_stackoverflow)
DE (1) DE1017634B (enrdf_load_stackoverflow)
GB (1) GB804864A (enrdf_load_stackoverflow)
NL (1) NL106151C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359351A (en) 1979-10-23 1982-11-16 Air Products And Chemicals, Inc. Protective atmosphere process for annealing and or spheroidizing ferrous metals

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3224607A1 (de) * 1982-07-01 1984-01-05 Linde Ag, 6200 Wiesbaden Verfahren zum einsatzhaerten und kohlungsneutralen gluehen metallischer werkstuecke

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359351A (en) 1979-10-23 1982-11-16 Air Products And Chemicals, Inc. Protective atmosphere process for annealing and or spheroidizing ferrous metals

Also Published As

Publication number Publication date
NL106151C (enrdf_load_stackoverflow)
DE1017634B (de) 1957-10-17
BE545645A (enrdf_load_stackoverflow)

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