JPS6425967A - Ion carbonitriding furnace - Google Patents

Ion carbonitriding furnace

Info

Publication number
JPS6425967A
JPS6425967A JP62181406A JP18140687A JPS6425967A JP S6425967 A JPS6425967 A JP S6425967A JP 62181406 A JP62181406 A JP 62181406A JP 18140687 A JP18140687 A JP 18140687A JP S6425967 A JPS6425967 A JP S6425967A
Authority
JP
Japan
Prior art keywords
heater
treated
furnace
plural
variance
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
JP62181406A
Other languages
Japanese (ja)
Other versions
JPH0832954B2 (en
Inventor
Masatomo Nakamura
Koichi Akutsu
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel 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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP18140687A priority Critical patent/JPH0832954B2/en
Publication of JPS6425967A publication Critical patent/JPS6425967A/en
Publication of JPH0832954B2 publication Critical patent/JPH0832954B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

PURPOSE:To reduce the variance in the depth of the carbonitrided layer of a material to be treated by forming a heater with a tubular body pierced with plural gas blow-off ports through its tube wall, and arranging the plural heaters to surround the material to be treated. CONSTITUTION:The heater 11 is formed with the tubular body with both ends closed, plural gas blow-off ports 13 directed toward the center of the furnace shell 1 are bored through the tube wall, and the plural heaters are arranged to surround the material 5 to be treated. Under such a constitution, the material 5 is placed on a hearth 6, the inside of the furnace is evacuated to a specified vacuum, the heater 11 is energized by an electric power source 12, and the material 5 is heated. A processing gas is supplied into the heater 11 from a supply source 15, and then supplied into the furnace from the blow-off port 13. A glow discharge is generated between an anode 2 and the material 5, and sputtering is carried out. The space for the material to be treated can be enlarged in this way, the variance in the depth of the carbonitrided layer of the material 5 is reduced, and the time for temp. raising can also be shortened.
JP18140687A 1987-07-21 1987-07-21 Ion carbonitriding furnace Expired - Lifetime JPH0832954B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18140687A JPH0832954B2 (en) 1987-07-21 1987-07-21 Ion carbonitriding furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18140687A JPH0832954B2 (en) 1987-07-21 1987-07-21 Ion carbonitriding furnace

Publications (2)

Publication Number Publication Date
JPS6425967A true JPS6425967A (en) 1989-01-27
JPH0832954B2 JPH0832954B2 (en) 1996-03-29

Family

ID=16100203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18140687A Expired - Lifetime JPH0832954B2 (en) 1987-07-21 1987-07-21 Ion carbonitriding furnace

Country Status (1)

Country Link
JP (1) JPH0832954B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0872569A1 (en) * 1997-04-18 1998-10-21 Plasma Metal S.A. Nitriding process and nitriding furnace thereof
JP2020158865A (en) * 2019-03-28 2020-10-01 高砂工業株式会社 Carburization gas nozzle and vacuum carburization furnace

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911137U (en) * 1972-05-09 1974-01-30
JPS54141257U (en) * 1978-03-27 1979-10-01
JPS5519872A (en) * 1978-07-28 1980-02-12 Mitsubishi Electric Corp Heat treating device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4911137U (en) * 1972-05-09 1974-01-30
JPS54141257U (en) * 1978-03-27 1979-10-01
JPS5519872A (en) * 1978-07-28 1980-02-12 Mitsubishi Electric Corp Heat treating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0872569A1 (en) * 1997-04-18 1998-10-21 Plasma Metal S.A. Nitriding process and nitriding furnace thereof
JP2020158865A (en) * 2019-03-28 2020-10-01 高砂工業株式会社 Carburization gas nozzle and vacuum carburization furnace

Also Published As

Publication number Publication date
JPH0832954B2 (en) 1996-03-29

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