GB9719033D0 - Improved steel hardening process - Google Patents

Improved steel hardening process

Info

Publication number
GB9719033D0
GB9719033D0 GBGB9719033.4A GB9719033A GB9719033D0 GB 9719033 D0 GB9719033 D0 GB 9719033D0 GB 9719033 A GB9719033 A GB 9719033A GB 9719033 D0 GB9719033 D0 GB 9719033D0
Authority
GB
United Kingdom
Prior art keywords
hardening process
improved steel
steel hardening
improved
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.)
Granted
Application number
GBGB9719033.4A
Other versions
GB2328953B (en
GB2328953A (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.)
NSK European Technology Co Ltd
RHP Bearings Ltd
Original Assignee
NSK European Technology Co Ltd
RHP Bearings 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
Application filed by NSK European Technology Co Ltd, RHP Bearings Ltd filed Critical NSK European Technology Co Ltd
Priority to GB9719033A priority Critical patent/GB2328953B/en
Publication of GB9719033D0 publication Critical patent/GB9719033D0/en
Publication of GB2328953A publication Critical patent/GB2328953A/en
Application granted granted Critical
Publication of GB2328953B publication Critical patent/GB2328953B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C23C8/34—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 more than one element being applied in more than one step

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)
GB9719033A 1997-09-08 1997-09-08 Improved steel hardening process Expired - Lifetime GB2328953B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9719033A GB2328953B (en) 1997-09-08 1997-09-08 Improved steel hardening process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9719033A GB2328953B (en) 1997-09-08 1997-09-08 Improved steel hardening process

Publications (3)

Publication Number Publication Date
GB9719033D0 true GB9719033D0 (en) 1997-11-12
GB2328953A GB2328953A (en) 1999-03-10
GB2328953B GB2328953B (en) 2002-07-03

Family

ID=10818726

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9719033A Expired - Lifetime GB2328953B (en) 1997-09-08 1997-09-08 Improved steel hardening process

Country Status (1)

Country Link
GB (1) GB2328953B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001245704A1 (en) * 2000-03-14 2001-09-24 The Timken Company High performance carburizing stainless steel for high temperature use
US7186304B2 (en) * 2004-06-02 2007-03-06 United Technologies Corporation Carbo-nitrided case hardened martensitic stainless steels
EP2739761B1 (en) 2011-06-02 2017-05-24 Aktiebolaget SKF Carbo-nitriding process for martensitic stainless steel and stainless steel article having improved corrosion resistance
DE102017210597A1 (en) * 2017-06-23 2018-12-27 Zf Friedrichshafen Ag Deep-acting carbonitriding
CN109338273A (en) * 2018-11-30 2019-02-15 中国航发沈阳黎明航空发动机有限责任公司 A method of improving 1Cr11Ni2W2MoV stainless steel nitriding layer quality
CN114962460A (en) 2021-02-25 2022-08-30 斯凯孚公司 Heat treated roller bearing ring

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1185640A (en) * 1966-12-21 1970-03-25 Ici Ltd Process for Casehardening Steels
US3885995A (en) * 1973-04-10 1975-05-27 Boeing Co Process for carburizing high alloy steels
DE3718240C1 (en) * 1987-05-30 1988-01-14 Ewald Schwing Process for the heat treatment of metallic workpieces in a gas-flowed fluidized bed
JPH05148535A (en) * 1991-06-07 1993-06-15 Kobe Steel Ltd Production of surface hardened parts having decreased heat treating strain and excellent bending fatigue strength

Also Published As

Publication number Publication date
GB2328953B (en) 2002-07-03
GB2328953A (en) 1999-03-10

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20170907