FR2109379A5 - Case hardening treatment for titanium and titanium alloys - - using boron - Google Patents

Case hardening treatment for titanium and titanium alloys - - using boron

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Publication number
FR2109379A5
FR2109379A5 FR7037158A FR7037158A FR2109379A5 FR 2109379 A5 FR2109379 A5 FR 2109379A5 FR 7037158 A FR7037158 A FR 7037158A FR 7037158 A FR7037158 A FR 7037158A FR 2109379 A5 FR2109379 A5 FR 2109379A5
Authority
FR
France
Prior art keywords
titanium
boron
hardening treatment
case hardening
alloys
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
FR7037158A
Other languages
French (fr)
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.)
INST HARTEREI TECHNI
Original Assignee
INST HARTEREI TECHNI
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 INST HARTEREI TECHNI filed Critical INST HARTEREI TECHNI
Priority to FR7037158A priority Critical patent/FR2109379A5/en
Application granted granted Critical
Publication of FR2109379A5 publication Critical patent/FR2109379A5/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B35/00—Boron; Compounds thereof
    • C01B35/02—Boron; Borides
    • C01B35/04—Metal borides
    • 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
    • C23C8/60—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 solids, e.g. powders, pastes
    • C23C8/62—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 solids, e.g. powders, pastes only one element being applied
    • C23C8/68—Boronising
    • C23C8/70—Boronising of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

Ti or Ti alloys are case-hardened by using amorphous boron which has been heated and then cooled in a rare gas. Pref. B contains an activating agent such as an alkali metal -, alkaline earth -, or ammonium halide and an inert substance, e.g. oxide. The boriding treatment is pref. carried out in an Ar atm.
FR7037158A 1970-10-14 1970-10-14 Case hardening treatment for titanium and titanium alloys - - using boron Expired FR2109379A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7037158A FR2109379A5 (en) 1970-10-14 1970-10-14 Case hardening treatment for titanium and titanium alloys - - using boron

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7037158A FR2109379A5 (en) 1970-10-14 1970-10-14 Case hardening treatment for titanium and titanium alloys - - using boron

Publications (1)

Publication Number Publication Date
FR2109379A5 true FR2109379A5 (en) 1972-05-26

Family

ID=9062743

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7037158A Expired FR2109379A5 (en) 1970-10-14 1970-10-14 Case hardening treatment for titanium and titanium alloys - - using boron

Country Status (1)

Country Link
FR (1) FR2109379A5 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2375337A1 (en) * 1976-12-21 1978-07-21 Pioneer Electronic Corp PERFECTED PROCESS FOR HARDENING A SURFACE MINERAL MATERIAL BY DIFFUSION OF ANOTHER MINERAL MATERIAL
FR2461762A1 (en) * 1979-07-21 1981-02-06 Mtu Muenchen Gmbh PROCESS FOR MANUFACTURING TURBINE BLADES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2375337A1 (en) * 1976-12-21 1978-07-21 Pioneer Electronic Corp PERFECTED PROCESS FOR HARDENING A SURFACE MINERAL MATERIAL BY DIFFUSION OF ANOTHER MINERAL MATERIAL
FR2461762A1 (en) * 1979-07-21 1981-02-06 Mtu Muenchen Gmbh PROCESS FOR MANUFACTURING TURBINE BLADES

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