ES219815A1 - Method of production of atmospheres for the gaseous cementation of ferrous alloys (Machine-translation by Google Translate, not legally binding) - Google Patents

Method of production of atmospheres for the gaseous cementation of ferrous alloys (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES219815A1
ES219815A1 ES0219815A ES219815A ES219815A1 ES 219815 A1 ES219815 A1 ES 219815A1 ES 0219815 A ES0219815 A ES 0219815A ES 219815 A ES219815 A ES 219815A ES 219815 A1 ES219815 A1 ES 219815A1
Authority
ES
Spain
Prior art keywords
cementation
atmospheres
gaseous
translation
production
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
ES0219815A
Other languages
Spanish (es)
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 claimed from GB283054A external-priority patent/GB748320A/en
Application filed by Wild Barfield Electric Furnaces Ltd filed Critical Wild Barfield Electric Furnaces Ltd
Publication of ES219815A1 publication Critical patent/ES219815A1/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)
  • 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)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

Method of production of atmospheres for the gaseous cementation of ferrous alloys, which comprises: cracking a monovalent aliphatic alcohol, containing from 5% to 30% by volume of water in a heat treatment oven and at a temperature between 700º and 950º c. (Machine-translation by Google Translate, not legally binding)
ES0219815A 1954-01-29 1955-01-28 Method of production of atmospheres for the gaseous cementation of ferrous alloys (Machine-translation by Google Translate, not legally binding) Expired ES219815A1 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES219815A1 true ES219815A1 (en) 1955-08-16

Family

ID=9746739

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0219815A Expired ES219815A1 (en) 1954-01-29 1955-01-28 Method of production of atmospheres for the gaseous cementation of ferrous alloys (Machine-translation by Google Translate, not legally binding)

Country Status (2)

Country Link
ES (1) ES219815A1 (en)
NL (1) NL95881C (en)

Also Published As

Publication number Publication date
NL95881C (en)

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