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JPS57209773A - Method for soldering copper or copper alloy fins to titanium tubes for finned heat exchanger - Google Patents

Method for soldering copper or copper alloy fins to titanium tubes for finned heat exchanger

Info

Publication number
JPS57209773A
JPS57209773A JP9305481A JP9305481A JPS57209773A JP S57209773 A JPS57209773 A JP S57209773A JP 9305481 A JP9305481 A JP 9305481A JP 9305481 A JP9305481 A JP 9305481A JP S57209773 A JPS57209773 A JP S57209773A
Authority
JP
Japan
Prior art keywords
copper
soldering
titanium tubes
alloy fins
copper alloy
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
JP9305481A
Other languages
Japanese (ja)
Inventor
Shinichi Nishijima
Masahiro Tsuji
Eiji Nishimura
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.)
Nihon Kogyo KK
Eneos Corp
Original Assignee
Nihon Kogyo KK
Nippon Mining 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 Nihon Kogyo KK, Nippon Mining Co Ltd filed Critical Nihon Kogyo KK
Priority to JP9305481A priority Critical patent/JPS57209773A/en
Publication of JPS57209773A publication Critical patent/JPS57209773A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/001—Interlayers, transition pieces for metallurgical bonding of workpieces
    • B23K35/005—Interlayers, transition pieces for metallurgical bonding of workpieces at least one of the workpieces being of a refractory metal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

PURPOSE:To provide high corrosion resistance and heat conductivity to heat exchangers by plating copper beforehand to titanium tubes above a specified thickness and soldering copper or copper alloy fins thereto. CONSTITUTION:In the stage of producing titanium tubes for finned heat exchangers, copper is beforehand plated on the titanium tubes to >=3mu by an ordinary method. Thereafter, copper or copper alloy fins are soldered thereto. If the thickness of said copper plating is <=3mu, solder reacts with the copper plating and erodes the same, then the solder layers directly contact with the titanium surfaces, thus resulting in considerably decreased soldering strength.
JP9305481A 1981-06-18 1981-06-18 Method for soldering copper or copper alloy fins to titanium tubes for finned heat exchanger Pending JPS57209773A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9305481A JPS57209773A (en) 1981-06-18 1981-06-18 Method for soldering copper or copper alloy fins to titanium tubes for finned heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9305481A JPS57209773A (en) 1981-06-18 1981-06-18 Method for soldering copper or copper alloy fins to titanium tubes for finned heat exchanger

Publications (1)

Publication Number Publication Date
JPS57209773A true JPS57209773A (en) 1982-12-23

Family

ID=14071788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9305481A Pending JPS57209773A (en) 1981-06-18 1981-06-18 Method for soldering copper or copper alloy fins to titanium tubes for finned heat exchanger

Country Status (1)

Country Link
JP (1) JPS57209773A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06335766A (en) * 1993-02-12 1994-12-06 Yoshiyuki Mori Method for brazing sintered hard alloy
WO2003085330A1 (en) * 2002-04-11 2003-10-16 Grillo-Werke Ag Heat exchanger and flat solar thermal collector modules, and method for the production thereof
US7201973B2 (en) * 2003-12-10 2007-04-10 Honeywell International, Inc. Bimetallic plate-fin titanium based heat exchanger
CN102410927A (en) * 2011-08-23 2012-04-11 复旦大学 Determination method of nuclear power apparatus heat exchanger failure reason
CN106514039A (en) * 2016-11-03 2017-03-22 华北水利水电大学 Copper-tin-titanium brazing filler metal and preparation method thereof
PL428192A1 (en) * 2018-12-17 2020-06-29 Politechnika Wrocławska Method of joining titanium and titanium alloys with copper and copper alloys by soft soldering
PL428193A1 (en) * 2018-12-17 2020-06-29 Politechnika Wrocławska Method of joining titanium and titanium alloys with copper and copper alloys by hard soldering

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06335766A (en) * 1993-02-12 1994-12-06 Yoshiyuki Mori Method for brazing sintered hard alloy
WO2003085330A1 (en) * 2002-04-11 2003-10-16 Grillo-Werke Ag Heat exchanger and flat solar thermal collector modules, and method for the production thereof
US7201973B2 (en) * 2003-12-10 2007-04-10 Honeywell International, Inc. Bimetallic plate-fin titanium based heat exchanger
CN102410927A (en) * 2011-08-23 2012-04-11 复旦大学 Determination method of nuclear power apparatus heat exchanger failure reason
CN106514039A (en) * 2016-11-03 2017-03-22 华北水利水电大学 Copper-tin-titanium brazing filler metal and preparation method thereof
CN106514039B (en) * 2016-11-03 2019-03-08 华北水利水电大学 A kind of copper and tin titanium solder and preparation method thereof
PL428192A1 (en) * 2018-12-17 2020-06-29 Politechnika Wrocławska Method of joining titanium and titanium alloys with copper and copper alloys by soft soldering
PL428193A1 (en) * 2018-12-17 2020-06-29 Politechnika Wrocławska Method of joining titanium and titanium alloys with copper and copper alloys by hard soldering

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