BRPI0411351A - processo de tratamento de superfìcie de descarga elétrica - Google Patents

processo de tratamento de superfìcie de descarga elétrica

Info

Publication number
BRPI0411351A
BRPI0411351A BRPI0411351-9A BRPI0411351A BRPI0411351A BR PI0411351 A BRPI0411351 A BR PI0411351A BR PI0411351 A BRPI0411351 A BR PI0411351A BR PI0411351 A BRPI0411351 A BR PI0411351A
Authority
BR
Brazil
Prior art keywords
electrode
electrical discharge
pulse
metal
treatment process
Prior art date
Application number
BRPI0411351-9A
Other languages
English (en)
Inventor
Akihiro Goto
Masao Akiyoshi
Katsuhiro Matsuo
Hiroyuki Ochiai
Mitsutoshi Watanabe
Takashi Furukawa
Original Assignee
Mitsubishi Electric Corp
Ishikawajima Harima Heavy Ind
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 Mitsubishi Electric Corp, Ishikawajima Harima Heavy Ind filed Critical Mitsubishi Electric Corp
Publication of BRPI0411351A publication Critical patent/BRPI0411351A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/004—Filling molds with powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2301/00—Metallic composition of the powder or its coating
    • B22F2301/15—Nickel or cobalt

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Powder Metallurgy (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

"PROCESSO DE TRATAMENTO DE SUPERFìCIE DE DESCARGA ELéTRICA". A presente invenção refere-se a um eletrodo para um processo de tratamento de superfície por descarga elétrica, que é moldado com um pó metálico ou um pó de composto metálico apresentando um diâmetro de grão médio de 6 micra a 10 micra. Um revestimento em uma superfície de uma peça de trabalho é formado com um material constituindo o eletrodo ou uma substância que é gerada por uma reação do material devido a uma descarga elétrica em forma de pulso. O revestimento é produzido com um material contendo metal como um constituinte principal sob condições de uma largura da corrente de pulso para a descarga elétrica em uma faixa de 50 microssegundos a 500 microssegundos, e um pico da corrente de pulso igual ou inferior a 300 ampÞres. Em um processo de tratamento de superfície de descarga elétrica para formação de um revestimento em uma superfície de uma peça de trabalho, com energia de uma descarga elétrica em forma de pulso provocada entre um eletrodo e a peça de trabalho, em um fluido de trabalho ou em ar, o eletrodo sendo um compacto verde obtido por moldagem por compressão de um pó metálico ou um pó de composto metálico, o revestimento sendo formado com um material constituindo o eletrodo ou uma substância, que é gerada por uma reação do material devido à energia da descarga elétrica em forma de pulso, a formação de forma espessa de um material contendo metal como um constituinte principal é feita, usando um eletrodo obtido por mistura e moldagem por compressão de um pó metálico ou um pó de composto metálico, tendo um diâmetro de grão médio de 6 a 10 micrometros, sob condições de trabalho nas quais uma amplitude de pulso é de 50 a 500 microssegundos e um valor da corrente de pico é igual ou inferior a 30 ampÞres.
BRPI0411351-9A 2003-06-11 2004-01-29 processo de tratamento de superfìcie de descarga elétrica BRPI0411351A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003166011 2003-06-11
PCT/JP2004/000838 WO2004111305A1 (ja) 2003-06-11 2004-01-29 放電表面処理方法

Publications (1)

Publication Number Publication Date
BRPI0411351A true BRPI0411351A (pt) 2006-07-11

Family

ID=33549243

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0411351-9A BRPI0411351A (pt) 2003-06-11 2004-01-29 processo de tratamento de superfìcie de descarga elétrica

Country Status (10)

Country Link
US (3) US7641945B2 (pt)
EP (1) EP1643008B1 (pt)
JP (1) JP4170340B2 (pt)
KR (1) KR100768615B1 (pt)
CN (1) CN1802453B (pt)
BR (1) BRPI0411351A (pt)
CA (1) CA2528739C (pt)
RU (1) RU2319789C2 (pt)
TW (1) TWI253365B (pt)
WO (1) WO2004111305A1 (pt)

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US9284647B2 (en) * 2002-09-24 2016-03-15 Mitsubishi Denki Kabushiki Kaisha Method for coating sliding surface of high-temperature member, high-temperature member and electrode for electro-discharge surface treatment
CN100360712C (zh) * 2002-09-24 2008-01-09 石川岛播磨重工业株式会社 高温构件的擦动面的涂覆方法及高温构件和放电表面处理用电极
EP1550741A4 (en) * 2002-10-09 2011-05-25 Ihi Corp ROTOR AND COATING METHOD THEREFOR
DE102004009757B4 (de) * 2004-02-28 2015-12-31 MTU Aero Engines AG Verfahren zum elektrochemischen Entschichten von Bauteilen, Verwendung des Verfahrens und Elektrode zum elektrochemischen Entschichten von Bauteilen
JP4580250B2 (ja) * 2005-02-02 2010-11-10 三菱電機株式会社 放電表面処理用電極の製造方法及び該電極並びに放電表面処理方法
EP1873276B1 (en) * 2005-03-09 2016-12-21 IHI Corporation Surface treatment method and repair method
JP5092742B2 (ja) * 2005-09-30 2012-12-05 三菱電機株式会社 放電表面処理方法及び被膜
US20100008812A1 (en) 2008-07-03 2010-01-14 Hitachi Powdered Metals Co., Ltd. Hard phase forming alloy powder, wear resistant sintered alloy, and production method for wear resistant sintered alloy
JP5121933B2 (ja) 2008-08-06 2013-01-16 三菱電機株式会社 放電表面処理方法
WO2010119865A1 (ja) * 2009-04-14 2010-10-21 株式会社Ihi 放電表面処理用電極及びその製造方法
JPWO2011136246A1 (ja) * 2010-04-28 2013-07-22 株式会社Ihi 放電表面処理に適用される電極及びその製造方法
JP5408349B2 (ja) * 2010-05-26 2014-02-05 三菱電機株式会社 放電表面処理用電極及び放電表面処理皮膜
JP4816832B1 (ja) * 2010-09-16 2011-11-16 三菱電機株式会社 放電加工による表面層形成方法及び該表面層
RU2471884C2 (ru) * 2011-04-15 2013-01-10 Вадим Дмитриевич Гончаров Способ обработки поверхности материалов и устройство для его осуществления
WO2013076761A1 (ja) * 2011-11-22 2013-05-30 三菱電機株式会社 放電表面処理用電極および放電表面処理用電極の製造方法
JP6157937B2 (ja) * 2013-06-07 2017-07-05 株式会社東芝 弁装置およびその製造方法
KR102672304B1 (ko) * 2015-12-23 2024-06-04 마테리온 코포레이션 바이오센서용 니켈 합금

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Also Published As

Publication number Publication date
TWI253365B (en) 2006-04-21
WO2004111305A1 (ja) 2004-12-23
CA2528739C (en) 2011-06-07
KR100768615B1 (ko) 2007-10-18
RU2319789C2 (ru) 2008-03-20
CN1802453B (zh) 2010-10-20
EP1643008A4 (en) 2008-09-24
CA2528739A1 (en) 2004-12-23
CN1802453A (zh) 2006-07-12
JP4170340B2 (ja) 2008-10-22
US7691454B2 (en) 2010-04-06
RU2006100292A (ru) 2006-06-27
TW200427540A (en) 2004-12-16
US20060086617A1 (en) 2006-04-27
US7641945B2 (en) 2010-01-05
US8658005B2 (en) 2014-02-25
JPWO2004111305A1 (ja) 2006-08-10
US20080185292A1 (en) 2008-08-07
EP1643008B1 (en) 2017-11-15
EP1643008A1 (en) 2006-04-05
KR20060031620A (ko) 2006-04-12
US20080230374A1 (en) 2008-09-25

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time