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JPS56133450A - Electrical contact material - Google Patents

Electrical contact material

Info

Publication number
JPS56133450A
JPS56133450A JP3731780A JP3731780A JPS56133450A JP S56133450 A JPS56133450 A JP S56133450A JP 3731780 A JP3731780 A JP 3731780A JP 3731780 A JP3731780 A JP 3731780A JP S56133450 A JPS56133450 A JP S56133450A
Authority
JP
Japan
Prior art keywords
electrical contact
contact material
inseparable
sticking
long term
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
JP3731780A
Other languages
Japanese (ja)
Other versions
JPH0121221B2 (en
Inventor
Akira Ueda
Takaya Shimada
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.)
Tanaka Kikinzoku Kogyo KK
Original Assignee
Tanaka Kikinzoku Kogyo KK
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 Tanaka Kikinzoku Kogyo KK filed Critical Tanaka Kikinzoku Kogyo KK
Priority to JP3731780A priority Critical patent/JPS56133450A/en
Publication of JPS56133450A publication Critical patent/JPS56133450A/en
Publication of JPH0121221B2 publication Critical patent/JPH0121221B2/ja
Granted legal-status Critical Current

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  • Conductive Materials (AREA)
  • Contacts (AREA)

Abstract

PURPOSE: To obtain an electrical contact material for a minute current region having stable contact resistance over a long term and not causing an inseparable trouble due to sticking by sintering Fe and a specified amoung of Ni, Ag and Cu.
CONSTITUTION: A sintered body having a composition consisting of 10W40% Ni, 3W20% Ag, 5W20% Cu and the balance Fe is produced and formed into a wire rod of 1mmϕ by forging and wire drawing. An electrical contact material for a ≤10mA minute current region used in a measuring instrument, etc. is manufactured from this wire rod. The surfaces of contacts are preferably plated with Au. This electrical contact material undergoes no changes in the contact resistance over a long term and does not cause inseparable trouble due to sticking.
COPYRIGHT: (C)1981,JPO&Japio
JP3731780A 1980-03-24 1980-03-24 Electrical contact material Granted JPS56133450A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3731780A JPS56133450A (en) 1980-03-24 1980-03-24 Electrical contact material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3731780A JPS56133450A (en) 1980-03-24 1980-03-24 Electrical contact material

Publications (2)

Publication Number Publication Date
JPS56133450A true JPS56133450A (en) 1981-10-19
JPH0121221B2 JPH0121221B2 (en) 1989-04-20

Family

ID=12494291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3731780A Granted JPS56133450A (en) 1980-03-24 1980-03-24 Electrical contact material

Country Status (1)

Country Link
JP (1) JPS56133450A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102443829A (en) * 2011-12-08 2012-05-09 天津大学 Surface plating of Ag-Ni electric contact and preparation process thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990013685A1 (en) * 1989-05-10 1990-11-15 Furukawa Electric Co., Ltd. Electric contact material, method of producing said material, and electric contact produced therefrom

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102443829A (en) * 2011-12-08 2012-05-09 天津大学 Surface plating of Ag-Ni electric contact and preparation process thereof
CN102443829B (en) * 2011-12-08 2014-07-16 天津大学 Surface plating of Ag-Ni electric contact and preparation process thereof

Also Published As

Publication number Publication date
JPH0121221B2 (en) 1989-04-20

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