GB1329527A - Case hardening of silicon-containing iron - Google Patents

Case hardening of silicon-containing iron

Info

Publication number
GB1329527A
GB1329527A GB1288172A GB1288172A GB1329527A GB 1329527 A GB1329527 A GB 1329527A GB 1288172 A GB1288172 A GB 1288172A GB 1288172 A GB1288172 A GB 1288172A GB 1329527 A GB1329527 A GB 1329527A
Authority
GB
United Kingdom
Prior art keywords
case hardening
silicon
containing iron
march
carbonate
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
GB1288172A
Other languages
English (en)
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 NCR Corp, National Cash Register Co filed Critical NCR Corp
Publication of GB1329527A publication Critical patent/GB1329527A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C8/00Solid 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
    • C23C8/06Solid 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
    • C23C8/08Solid 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
    • C23C8/20Carburising
    • C23C8/22Carburising of ferrous surfaces
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C8/00Solid 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
    • C23C8/02Pretreatment of the material to be coated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
GB1288172A 1971-03-29 1972-03-20 Case hardening of silicon-containing iron Expired GB1329527A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12922171A 1971-03-29 1971-03-29

Publications (1)

Publication Number Publication Date
GB1329527A true GB1329527A (en) 1973-09-12

Family

ID=22438954

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1288172A Expired GB1329527A (en) 1971-03-29 1972-03-20 Case hardening of silicon-containing iron

Country Status (4)

Country Link
CA (1) CA971086A (forum.php)
CH (1) CH569797A5 (forum.php)
DE (1) DE2210502A1 (forum.php)
GB (1) GB1329527A (forum.php)

Also Published As

Publication number Publication date
DE2210502A1 (de) 1972-10-19
CH569797A5 (forum.php) 1975-11-28
CA971086A (en) 1975-07-15

Similar Documents

Publication Publication Date Title
ES437111A1 (es) Procedimiento para la obtencion de productos de aluminio de reducida tendencia a la corrosion.
GB1364658A (en) Nickel silica comosition with high nickel surface area
ES477171A1 (es) Perfeccionamientos en la obtencion de recipientes de acero inoxidable con fondo termorradiante.
GB1351234A (en) Process for forming a soft nitride layer in a metal surface
SE7407447L (forum.php)
GB1338641A (en) Articles having a protective layer of chromium boride
GB1329527A (en) Case hardening of silicon-containing iron
ES407627A1 (es) Procedimiento para el tratamiento previo de superficies me-talicas.
GB1424458A (en) Wires
GB1351162A (en) Soft-nitriding procedure for steel and cast iron
GB1441091A (en) Treatment of piston rods
GB1400087A (en) Aluminium coated mild steel
GB1216974A (en) Process of surface treatment of metals
FR2069924A1 (en) Photolithographic plate - with reactive anticorrosion layer
GB1397395A (en) Method for making ferrous metal having highly improved resistances to corrosion at elevated temperatures and to oxidization
GB1499711A (en) Nitriding
GB675769A (en) Improvements in and relating to the decarburization of silicon containing ferrous sheet or strip
JPS51151429A (en) Minos pressure control device
GB1223410A (en) Improvements in nitriding of steel
JPS5315205A (en) Annealing separating agent and iron loss improving method in unidirectional silicon steel sheet
FR2095953A5 (en) Purification of effluent waters - contg cyanide and sulphate ions - and organic cpds - from (meth) acrylonitrile prodn
GB1267172A (forum.php)
FR2170971A1 (en) Corrosion resistant steel - by heating in moist atmosphere of nitrogen and hydrogen
BE772108A (en) Coating metal surfaces - in a variable dimension chemical conversion coating chamber
JPS5223748A (en) Boiler

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees