JPS56142856A - Manufacture of copper or copper alloy product - Google Patents

Manufacture of copper or copper alloy product

Info

Publication number
JPS56142856A
JPS56142856A JP4072780A JP4072780A JPS56142856A JP S56142856 A JPS56142856 A JP S56142856A JP 4072780 A JP4072780 A JP 4072780A JP 4072780 A JP4072780 A JP 4072780A JP S56142856 A JPS56142856 A JP S56142856A
Authority
JP
Japan
Prior art keywords
copper
oil
copper alloy
semidrying
chlorine
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
JP4072780A
Other languages
Japanese (ja)
Other versions
JPS5940222B2 (en
Inventor
Kazuo Uehara
Kazuichi Kajiwara
Kazuo Azuma
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP4072780A priority Critical patent/JPS5940222B2/en
Publication of JPS56142856A publication Critical patent/JPS56142856A/en
Publication of JPS5940222B2 publication Critical patent/JPS5940222B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Heat Treatment Of Nonferrous Metals Or Alloys (AREA)
  • Chemical Treatment Of Metals (AREA)

Abstract

PURPOSE: To obtain a copper or copper alloy product capable of keeping its brightness in the air for a long period of time by a method in which the surface of a copper product is coated with a solution obtained by adding a specific amount of a semidrying or nondrying oil to a chlorine-based organic solvent, and then treated in a reductive atmosphere under a specific condition.
CONSTITUTION: The surface of a copper or copper alloy is coated with a solution of 0.2W10.0vol% a semidrying or nondrying oil in a chlorine-based organic solvent and then dried to remove the solvent. In this case, the semidrying oil used is rapeseed oil, etc., and also the nondrying oil used is castor oil, etc. Also, the chlorine-based organic solvent used is preferably trichlorethylene. The preferred amount of the oil to be coated is approx. 0.015g/m2 or more, and the formation of paint film is attained by removing the solvent by drying. Then, the copper or copper alloy product so treated is subjected to an annealing treatment at 300°C or higher in a reductive atmosphere containing 0.5W7.0vol% CO. Thus, an even and dense oxide film having a thickness of approx. 40W70A and a bright surface can be formed.
COPYRIGHT: (C)1981,JPO&Japio
JP4072780A 1980-03-29 1980-03-29 Manufacturing method for copper or copper alloy products Expired JPS5940222B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4072780A JPS5940222B2 (en) 1980-03-29 1980-03-29 Manufacturing method for copper or copper alloy products

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4072780A JPS5940222B2 (en) 1980-03-29 1980-03-29 Manufacturing method for copper or copper alloy products

Publications (2)

Publication Number Publication Date
JPS56142856A true JPS56142856A (en) 1981-11-07
JPS5940222B2 JPS5940222B2 (en) 1984-09-28

Family

ID=12588645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4072780A Expired JPS5940222B2 (en) 1980-03-29 1980-03-29 Manufacturing method for copper or copper alloy products

Country Status (1)

Country Link
JP (1) JPS5940222B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59214640A (en) * 1983-05-20 1984-12-04 住友軽金属工業株式会社 Copper alloy pipe with inner-surface corrosion protective coating film for heat exchanger
CN115433891A (en) * 2022-10-25 2022-12-06 安徽绿能技术研究院有限公司 Annealing method of copper conductive material

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63165212A (en) * 1986-12-25 1988-07-08 Okura Yusoki Co Ltd Roller conveyor
JP2019014688A (en) * 2017-07-10 2019-01-31 大成建設株式会社 Antimicroorganism member

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59214640A (en) * 1983-05-20 1984-12-04 住友軽金属工業株式会社 Copper alloy pipe with inner-surface corrosion protective coating film for heat exchanger
JPS6154584B2 (en) * 1983-05-20 1986-11-22 Sumitomo Light Metal Ind
CN115433891A (en) * 2022-10-25 2022-12-06 安徽绿能技术研究院有限公司 Annealing method of copper conductive material

Also Published As

Publication number Publication date
JPS5940222B2 (en) 1984-09-28

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