GB1433940A - Process for increasing service life of powder metallurgical hard metal products - Google Patents

Process for increasing service life of powder metallurgical hard metal products

Info

Publication number
GB1433940A
GB1433940A GB4900673A GB4900673A GB1433940A GB 1433940 A GB1433940 A GB 1433940A GB 4900673 A GB4900673 A GB 4900673A GB 4900673 A GB4900673 A GB 4900673A GB 1433940 A GB1433940 A GB 1433940A
Authority
GB
United Kingdom
Prior art keywords
hard metal
service life
metal products
powder metallurgical
increasing service
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
GB4900673A
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.)
Magyar Vagon es Gepgyar
Original Assignee
Magyar Vagon es Gepgyar
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 Magyar Vagon es Gepgyar filed Critical Magyar Vagon es Gepgyar
Publication of GB1433940A publication Critical patent/GB1433940A/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
    • 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
    • C23C30/00Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • C23C30/005Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
    • 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
    • C23C8/60Solid 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 solids, e.g. powders, pastes
    • C23C8/62Solid 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 solids, e.g. powders, pastes only one element being applied

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
GB4900673A 1972-11-14 1973-10-22 Process for increasing service life of powder metallurgical hard metal products Expired GB1433940A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUMA002425 HU165088B (enrdf_load_stackoverflow) 1972-11-14 1972-11-14

Publications (1)

Publication Number Publication Date
GB1433940A true GB1433940A (en) 1976-04-28

Family

ID=10998616

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4900673A Expired GB1433940A (en) 1972-11-14 1973-10-22 Process for increasing service life of powder metallurgical hard metal products

Country Status (5)

Country Link
AT (1) AT331049B (enrdf_load_stackoverflow)
DD (1) DD107491A5 (enrdf_load_stackoverflow)
GB (1) GB1433940A (enrdf_load_stackoverflow)
HU (1) HU165088B (enrdf_load_stackoverflow)
SE (1) SE410623B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016169408A (ja) * 2015-03-11 2016-09-23 新日鐵住金株式会社 超硬工具及び超硬工具の製造方法
CN109722621A (zh) * 2018-12-27 2019-05-07 陕西铁马铸锻有限公司 枪管防腐耐磨处理工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2717842C2 (de) 1977-04-22 1983-09-01 Fried. Krupp Gmbh, 4300 Essen Verfahren zur Oberflächenbehandlung von gesinterten Hartmetallkörpern

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016169408A (ja) * 2015-03-11 2016-09-23 新日鐵住金株式会社 超硬工具及び超硬工具の製造方法
CN109722621A (zh) * 2018-12-27 2019-05-07 陕西铁马铸锻有限公司 枪管防腐耐磨处理工艺
CN109722621B (zh) * 2018-12-27 2020-12-29 陕西铁马铸锻有限公司 枪管防腐耐磨处理工艺

Also Published As

Publication number Publication date
DE2356088B2 (de) 1976-10-28
DE2356088A1 (de) 1974-05-30
HU165088B (enrdf_load_stackoverflow) 1974-06-28
SE410623B (sv) 1979-10-22
AT331049B (de) 1976-07-26
ATA806673A (de) 1975-10-15
DD107491A5 (enrdf_load_stackoverflow) 1974-08-05

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921022