JPS6479362A - Method and device for surface hardening - Google Patents

Method and device for surface hardening

Info

Publication number
JPS6479362A
JPS6479362A JP23623587A JP23623587A JPS6479362A JP S6479362 A JPS6479362 A JP S6479362A JP 23623587 A JP23623587 A JP 23623587A JP 23623587 A JP23623587 A JP 23623587A JP S6479362 A JPS6479362 A JP S6479362A
Authority
JP
Japan
Prior art keywords
work
treatment
supplied
soft nitriding
nonoxidative
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.)
Pending
Application number
JP23623587A
Other languages
Japanese (ja)
Inventor
Katsuyuki Matsui
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.)
Isuzu Motors Ltd
Original Assignee
Isuzu Motors 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 Isuzu Motors Ltd filed Critical Isuzu Motors Ltd
Priority to JP23623587A priority Critical patent/JPS6479362A/en
Publication of JPS6479362A publication Critical patent/JPS6479362A/en
Pending legal-status Critical Current

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

Abstract

PURPOSE:To enable pollution-free surface treatment with easy assurance of quality by heating up a work to a prescribed temp. in a nonoxidative state and subjecting the surface thereof to a soft nitriding treatment and then to an oxidation treatment. CONSTITUTION:The work 8 is disposed in a heat treatment furnace 7 and is heated up in the nonoxidative state by the gaseous nitrogen supplied from a gas supply pipe 11. Gaseous ammonia is supplied by opening a solenoid valve 12 of a gaseous ammonia supply pipe 13 to start the soft nitriding treatment when the work 8 attains the prescribed temp. The solenoid valve 12 is closed after the soft nitriding treatment. A burner 16 is ignited and the combustion is continued in a combustion chamber 17. The waste combustion gas thereof is supplied into the heat treatment furnace 7 to oxidize the soft-nitrided surface of the work 8 and to form fine Fe3O4 having excellent resistance to wear and corrosion thereon. The work 8 is then lowered into a hardening oil tank 4 and is hardened. The film having excellent fatigue resistance strength, sliding characteristic, etc., is thereby easily formed.
JP23623587A 1987-09-22 1987-09-22 Method and device for surface hardening Pending JPS6479362A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23623587A JPS6479362A (en) 1987-09-22 1987-09-22 Method and device for surface hardening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23623587A JPS6479362A (en) 1987-09-22 1987-09-22 Method and device for surface hardening

Publications (1)

Publication Number Publication Date
JPS6479362A true JPS6479362A (en) 1989-03-24

Family

ID=16997787

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23623587A Pending JPS6479362A (en) 1987-09-22 1987-09-22 Method and device for surface hardening

Country Status (1)

Country Link
JP (1) JPS6479362A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04365A (en) * 1990-04-17 1992-01-06 Toyota Motor Corp Continuous surface treatment furnace
US5108937A (en) * 1991-02-01 1992-04-28 Taiwan Semiconductor Manufacturing Company Method of making a recessed gate MOSFET device structure
EP0931849A2 (en) * 1998-01-26 1999-07-28 Material Service Holding S.A. Process suitable to give a direct protection against the wear corrosion of metallic pieces
WO2003033757A1 (en) * 2001-10-16 2003-04-24 Honda Giken Kogyo Kabushiki Kaisha Method for producing nitriding steel
WO2010124727A1 (en) * 2009-04-29 2010-11-04 Sincono Ag Device for increasing the efficiency of a combustion system and for the further processing of exhaust gases of the combustion system
WO2012176551A1 (en) * 2011-06-24 2012-12-27 エア・ウォーター株式会社 Steel product and manufacturing method therefor
JP2014047406A (en) * 2012-08-31 2014-03-17 Akebono Brake Ind Co Ltd Production method for friction member made of cast iron
CN103898438A (en) * 2014-04-24 2014-07-02 鑫光热处理工业(昆山)有限公司 Gas nitrocarburizing and vapor composite treatment technique

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04365A (en) * 1990-04-17 1992-01-06 Toyota Motor Corp Continuous surface treatment furnace
US5108937A (en) * 1991-02-01 1992-04-28 Taiwan Semiconductor Manufacturing Company Method of making a recessed gate MOSFET device structure
EP0931849A2 (en) * 1998-01-26 1999-07-28 Material Service Holding S.A. Process suitable to give a direct protection against the wear corrosion of metallic pieces
EP0931849A3 (en) * 1998-01-26 2000-08-02 Material Service Holding S.A. Process suitable to give a direct protection against the wear corrosion of metallic pieces
WO2003033757A1 (en) * 2001-10-16 2003-04-24 Honda Giken Kogyo Kabushiki Kaisha Method for producing nitriding steel
US7326306B2 (en) 2001-10-16 2008-02-05 Honda Giken Kogyo Kabushiki Kaisha Method for producing nitriding steel
WO2010124727A1 (en) * 2009-04-29 2010-11-04 Sincono Ag Device for increasing the efficiency of a combustion system and for the further processing of exhaust gases of the combustion system
WO2012176551A1 (en) * 2011-06-24 2012-12-27 エア・ウォーター株式会社 Steel product and manufacturing method therefor
JP2013007094A (en) * 2011-06-24 2013-01-10 Air Water Inc Steel back plate for use in friction material, and method of producing steel product
CN103620081A (en) * 2011-06-24 2014-03-05 爱沃特株式会社 Steel product and manufacturing method therefor
JP2014047406A (en) * 2012-08-31 2014-03-17 Akebono Brake Ind Co Ltd Production method for friction member made of cast iron
CN103898438A (en) * 2014-04-24 2014-07-02 鑫光热处理工业(昆山)有限公司 Gas nitrocarburizing and vapor composite treatment technique

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