JPS5655562A - Plasma spraying method - Google Patents

Plasma spraying method

Info

Publication number
JPS5655562A
JPS5655562A JP12993879A JP12993879A JPS5655562A JP S5655562 A JPS5655562 A JP S5655562A JP 12993879 A JP12993879 A JP 12993879A JP 12993879 A JP12993879 A JP 12993879A JP S5655562 A JPS5655562 A JP S5655562A
Authority
JP
Japan
Prior art keywords
base metal
plasma
inert gas
metal material
cooled
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
JP12993879A
Other languages
Japanese (ja)
Other versions
JPS6315343B2 (en
Inventor
Hiroshi Notomi
Masato Ueda
Eizo Ide
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP12993879A priority Critical patent/JPS5655562A/en
Publication of JPS5655562A publication Critical patent/JPS5655562A/en
Publication of JPS6315343B2 publication Critical patent/JPS6315343B2/ja
Granted 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/137—Spraying in vacuum or in an inert atmosphere

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

PURPOSE:To form a plasma spray coating with superior adhesive strength to a base material and high resistance to mechanical impact and thermal impact at the time of plasma spraying metals or ceramics to the surface of a metal material, by applying a negative voltage to the base metal material in an inert gas atmosphere and performing spraying. CONSTITUTION:A plasma spray gun 1 and the base metal material 11 to be worked are put into a chamber 21 contg. an inert gas such as Ar, He. A plasma gas e.g. Ar, He, etc. is ejected from a gas cylinder 7 through the output 6 of a gun and a voltage is applied between a W electrode 2 and a water-cooled Cu anode 3, whereby the plasma arc is generated. The spray powder in a hopper 8 is supplied to a powder outlet 10 by the inert gas from a cylinder 9 and is sprayed onto the base metal 11 by the plasma jet. In this case, the negative pole of a DC electric power source 22 is connected to the base metal 11, and the positive pole to the water-cooled Cu electrode 3. Since the oxide film is removed from the base metal 11 and the clean surface, of the base metal is exposed a spray coating film with superior adhesive strength is formed.
JP12993879A 1979-10-11 1979-10-11 Plasma spraying method Granted JPS5655562A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12993879A JPS5655562A (en) 1979-10-11 1979-10-11 Plasma spraying method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12993879A JPS5655562A (en) 1979-10-11 1979-10-11 Plasma spraying method

Publications (2)

Publication Number Publication Date
JPS5655562A true JPS5655562A (en) 1981-05-16
JPS6315343B2 JPS6315343B2 (en) 1988-04-04

Family

ID=15022138

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12993879A Granted JPS5655562A (en) 1979-10-11 1979-10-11 Plasma spraying method

Country Status (1)

Country Link
JP (1) JPS5655562A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0233836U (en) * 1988-08-23 1990-03-02
JP2009068051A (en) * 2007-09-11 2009-04-02 Univ Chuo Thermal spraying method for forming sprayed coating having excellent adhesion
JP2016089275A (en) * 2014-11-07 2016-05-23 ジーエム・グローバル・テクノロジー・オペレーションズ・エルエルシー Surface activation through plasma spray for thermal spray coating of cylinder bore

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021956A (en) * 1973-06-06 1975-03-08
US4058698A (en) * 1974-04-02 1977-11-15 David Grigorievich Bykhovsky Method and apparatus for DC reverse polarity plasma-arc working of electrically conductive materials

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5021956A (en) * 1973-06-06 1975-03-08
US4058698A (en) * 1974-04-02 1977-11-15 David Grigorievich Bykhovsky Method and apparatus for DC reverse polarity plasma-arc working of electrically conductive materials

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0233836U (en) * 1988-08-23 1990-03-02
JP2009068051A (en) * 2007-09-11 2009-04-02 Univ Chuo Thermal spraying method for forming sprayed coating having excellent adhesion
JP2016089275A (en) * 2014-11-07 2016-05-23 ジーエム・グローバル・テクノロジー・オペレーションズ・エルエルシー Surface activation through plasma spray for thermal spray coating of cylinder bore

Also Published As

Publication number Publication date
JPS6315343B2 (en) 1988-04-04

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