JPS5757867A - Surface hardening method of titanium and titanium alloy - Google Patents

Surface hardening method of titanium and titanium alloy

Info

Publication number
JPS5757867A
JPS5757867A JP13287880A JP13287880A JPS5757867A JP S5757867 A JPS5757867 A JP S5757867A JP 13287880 A JP13287880 A JP 13287880A JP 13287880 A JP13287880 A JP 13287880A JP S5757867 A JPS5757867 A JP S5757867A
Authority
JP
Japan
Prior art keywords
plasma arc
titanium
shielding gas
gas
thence
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
JP13287880A
Other languages
Japanese (ja)
Other versions
JPS5948863B2 (en
Inventor
Katsumi Muroi
Nushito Takahashi
Hideo Nakae
Mitsuaki Haneda
Tsutomu Omine
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.)
Koki Holdings Co Ltd
Hitachi Ltd
Original Assignee
Hitachi Ltd
Hitachi Koki Co 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 Hitachi Ltd, Hitachi Koki Co Ltd filed Critical Hitachi Ltd
Priority to JP13287880A priority Critical patent/JPS5948863B2/en
Publication of JPS5757867A publication Critical patent/JPS5757867A/en
Publication of JPS5948863B2 publication Critical patent/JPS5948863B2/en
Expired 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
    • C23C8/36—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 using ionised gases, e.g. ionitriding

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)

Abstract

PURPOSE:To apply surface hardening of superior abrasion resistance by generating plasma arc while flowing a shielding gas to a Ti or Ti alloy blank material thereby subjecting the same to nitriding treatment then to diffusion treatment. CONSTITUTION:A gaseous nitrogen is flowed as a shielding gas by using a torch generating plasma arc, and mixed gases of nitrogen and argon or the like are flowed as working gases, thence electricity is conducted between an electrode 1 and a nozzle 2, whereby a plasma arc is generated. This arc is irradiated to the surface of a Ti or Ti alloy blank material, whereby it is nitrided. Thence, the shielding gas and the working gas are substituted with an inert gas such as argon, and the material is subjected to diffusion treatment. According to this method, the hardened layer is made deep and the surface TiN layer forms a wedge shape anchoring in the inside, whereby the firm surface hardened layer is obtained.
JP13287880A 1980-09-26 1980-09-26 Surface hardening method for titanium and titanium alloys Expired JPS5948863B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13287880A JPS5948863B2 (en) 1980-09-26 1980-09-26 Surface hardening method for titanium and titanium alloys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13287880A JPS5948863B2 (en) 1980-09-26 1980-09-26 Surface hardening method for titanium and titanium alloys

Publications (2)

Publication Number Publication Date
JPS5757867A true JPS5757867A (en) 1982-04-07
JPS5948863B2 JPS5948863B2 (en) 1984-11-29

Family

ID=15091665

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13287880A Expired JPS5948863B2 (en) 1980-09-26 1980-09-26 Surface hardening method for titanium and titanium alloys

Country Status (1)

Country Link
JP (1) JPS5948863B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2528875A1 (en) * 1982-06-22 1983-12-23 Dn Khim T Rapid ion nitriding process - by scanning workpiece surface with high temp., high pressure plasma jet
FR2661424A1 (en) * 1990-04-27 1991-10-31 Pechiney Recherche Process for surface nitriding of an article made of titanium alloy and article obtained
US5601293A (en) * 1994-12-22 1997-02-11 Teikoku Piston Ring Co., Ltd. Sliding member with hard ternery film
JP2001288556A (en) * 2000-04-03 2001-10-19 Allied Material Corp Refractory-metal material with oxidation resistant layer, and manufacturing method
JP2001295023A (en) * 2000-04-06 2001-10-26 Allied Material Corp High melting point metallic material having surface hardened layer and its producing method
EP2007543A2 (en) * 2006-04-20 2008-12-31 Materials and Electrochemical, Research (Mer) Corporation Method of using a thermal plasma to produce a functionally graded composite surface layer on metals

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2528875A1 (en) * 1982-06-22 1983-12-23 Dn Khim T Rapid ion nitriding process - by scanning workpiece surface with high temp., high pressure plasma jet
FR2661424A1 (en) * 1990-04-27 1991-10-31 Pechiney Recherche Process for surface nitriding of an article made of titanium alloy and article obtained
US5601293A (en) * 1994-12-22 1997-02-11 Teikoku Piston Ring Co., Ltd. Sliding member with hard ternery film
JP2001288556A (en) * 2000-04-03 2001-10-19 Allied Material Corp Refractory-metal material with oxidation resistant layer, and manufacturing method
JP2001295023A (en) * 2000-04-06 2001-10-26 Allied Material Corp High melting point metallic material having surface hardened layer and its producing method
EP2007543A2 (en) * 2006-04-20 2008-12-31 Materials and Electrochemical, Research (Mer) Corporation Method of using a thermal plasma to produce a functionally graded composite surface layer on metals
JP2009534535A (en) * 2006-04-20 2009-09-24 マテリアルズ アンド エレクトロケミカル リサーチ コーポレイション Method of using thermal plasma to produce a functionally high quality composite surface layer on metal
EP2007543A4 (en) * 2006-04-20 2011-04-27 Mat & Electrochem Res Corp Method of using a thermal plasma to produce a functionally graded composite surface layer on metals
US8203095B2 (en) 2006-04-20 2012-06-19 Materials & Electrochemical Research Corp. Method of using a thermal plasma to produce a functionally graded composite surface layer on metals

Also Published As

Publication number Publication date
JPS5948863B2 (en) 1984-11-29

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