FR941118A - Improvements in the nitriding of steel - Google Patents

Improvements in the nitriding of steel

Info

Publication number
FR941118A
FR941118A FR941118DA FR941118A FR 941118 A FR941118 A FR 941118A FR 941118D A FR941118D A FR 941118DA FR 941118 A FR941118 A FR 941118A
Authority
FR
France
Prior art keywords
nitriding
steel
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)
Inventor
Artemas F Holden
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 filed Critical
Application granted granted Critical
Publication of FR941118A publication Critical patent/FR941118A/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
    • C23C8/40Solid 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 liquids, e.g. salt baths, liquid suspensions
    • C23C8/42Solid 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 liquids, e.g. salt baths, liquid suspensions only one element being applied
    • C23C8/48Nitriding
    • C23C8/50Nitriding of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
FR941118D 1943-08-13 1945-11-14 Improvements in the nitriding of steel Expired FR941118A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US941118XA 1943-08-13 1943-08-13

Publications (1)

Publication Number Publication Date
FR941118A true FR941118A (en) 1949-01-03

Family

ID=22243062

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941118D Expired FR941118A (en) 1943-08-13 1945-11-14 Improvements in the nitriding of steel

Country Status (1)

Country Link
FR (1) FR941118A (en)

Similar Documents

Publication Publication Date Title
FR913384A (en) Improvements in the preparation of melamine
FR914450A (en) Improvements in the enrichment of iron ore
FR910856A (en) Improvements in the fabrication of structural steel or other metal components
FR941118A (en) Improvements in the nitriding of steel
FR898807A (en) Force limiter
FR950336A (en) Improvements in the manufacture of alpha-chloro-beta-hydroxynitriles
FR56025E (en) Improvements in the manufacture of cyanamide
FR982001A (en) Improvements in the construction of autotransformers
FR914699A (en) Improvements relating to the enrichment of phosphate ore
FR898451A (en) Improvement in the execution of saw segments
FR917408A (en) Improvements in the enrichment of phosphate ores
FR904415A (en) Improvements in the construction of metal wheels and pulleys
FR939169A (en) Improvements in the observation of pericdic electrical phenomena
FR896198A (en) Improvements in the manufacture of sliding devices
FR903701A (en) Mower-binder with one or more feed rotors serving as elevator-conveyor
ES163944A1 (en) IMPROVEMENTS IMPROVED IN THE ALLOY OF STEEL BATHROOMS WITH VANADIO
FR987922A (en) Improvements in the transmission of electrical oscillations
FR987959A (en) Improvements in the transmission of electrical oscillations
FR912783A (en) Improvements in the construction of frames
FR897571A (en) Improvements in the construction of gasifiers
FR928673A (en) Improvements in metalworking
FR897137A (en) Metal rings prevent splitting of the ends of the wooden clamping keys
FR981539A (en) Improvement in an oxidation process
FR940355A (en) Improvement in the propeller of fans
FR914461A (en) Improvements in the manufacture of chloroacetonitriles