JPS5542708A - Electrode for electrolytic lapping - Google Patents

Electrode for electrolytic lapping

Info

Publication number
JPS5542708A
JPS5542708A JP11164878A JP11164878A JPS5542708A JP S5542708 A JPS5542708 A JP S5542708A JP 11164878 A JP11164878 A JP 11164878A JP 11164878 A JP11164878 A JP 11164878A JP S5542708 A JPS5542708 A JP S5542708A
Authority
JP
Japan
Prior art keywords
powder
electrode
boride
group
sintering
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
JP11164878A
Other languages
Japanese (ja)
Inventor
Akio Koyama
Hiroyoshi Itoga
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.)
TDK Corp
Original Assignee
TDK Corp
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 TDK Corp filed Critical TDK Corp
Priority to JP11164878A priority Critical patent/JPS5542708A/en
Publication of JPS5542708A publication Critical patent/JPS5542708A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H5/00—Combined machining
    • B23H5/10—Electrodes specially adapted therefor or their manufacture

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

PURPOSE:To obtain an electrode for electrolytic lapping excellent in the durability and corrosion-proof property, by means of using sintering bodies containing the powder of IV group, V group or a transition element of IV group or boride of lanthanum. CONSTITUTION:A designated electrode is obtained by means of sintering at 700- 1500 deg.C in vacuum from several minutes to several hr., after the press-forming, by means of adding 1-20wt% of the powders of clay minerals of a feldspar etc. a glass frit, or a low melting pt. metal against the powder of a boride on the powder of the boride of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W or La as a binding agent. In a case when a binding agent is not used, a common powder metallurgy forming method is used, and a sintering body is obtained at about 1700-2300 deg.C in vacuum by a hot press.
JP11164878A 1978-09-13 1978-09-13 Electrode for electrolytic lapping Pending JPS5542708A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11164878A JPS5542708A (en) 1978-09-13 1978-09-13 Electrode for electrolytic lapping

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11164878A JPS5542708A (en) 1978-09-13 1978-09-13 Electrode for electrolytic lapping

Publications (1)

Publication Number Publication Date
JPS5542708A true JPS5542708A (en) 1980-03-26

Family

ID=14566638

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11164878A Pending JPS5542708A (en) 1978-09-13 1978-09-13 Electrode for electrolytic lapping

Country Status (1)

Country Link
JP (1) JPS5542708A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000050194A1 (en) * 1999-02-24 2000-08-31 Mitsubishi Denki Kabushiki Kaisha Method and device for discharge surface treatment
US6929829B2 (en) 1998-11-13 2005-08-16 Mitsubishi Denki Kabushiki Kaisha Method and device discharging surface treatment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6929829B2 (en) 1998-11-13 2005-08-16 Mitsubishi Denki Kabushiki Kaisha Method and device discharging surface treatment
WO2000050194A1 (en) * 1999-02-24 2000-08-31 Mitsubishi Denki Kabushiki Kaisha Method and device for discharge surface treatment
JP5547864B2 (en) * 1999-02-24 2014-07-16 三菱電機株式会社 Discharge surface treatment method and apparatus

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