JPS5687641A - Manufacture of silver-tin oxide electrical contact - Google Patents

Manufacture of silver-tin oxide electrical contact

Info

Publication number
JPS5687641A
JPS5687641A JP16497879A JP16497879A JPS5687641A JP S5687641 A JPS5687641 A JP S5687641A JP 16497879 A JP16497879 A JP 16497879A JP 16497879 A JP16497879 A JP 16497879A JP S5687641 A JPS5687641 A JP S5687641A
Authority
JP
Japan
Prior art keywords
manufacture
alloy
sno
air
electrical contact
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
JP16497879A
Other languages
Japanese (ja)
Inventor
Hirozo Matsumoto
Shigeru Oda
Kazuyo Mihashi
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP16497879A priority Critical patent/JPS5687641A/en
Publication of JPS5687641A publication Critical patent/JPS5687641A/en
Pending legal-status Critical Current

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  • Powder Metallurgy (AREA)

Abstract

PURPOSE: To manufacture Ag-SnO2 electrical contacts by a simpler operation by internally oxidizing fine powder of an Ag-Sn alloy contg. a specified amount of Sn followed by cold molding, sintering and hot pressing.
CONSTITUTION: ≤100μm Powder of an Ag-Sn alloy contg. 4W9wt% Sn is heated at 500W750°C in the air to preferentially oxidize the Sn by internal oxidation. The resulting powder having the composition of Ag-SnO2 is cold press molded and sintered at 800°C in air, and then this sintered body is hot pressed to manufacture an Ag-SnO2 electrical contact material. Since the Ag-Sn alloy is treated in such a finely powdered state, the time required to internally oxidize the alloy is reduced, and the internal oxidation can be accomplished easily even in the air.
COPYRIGHT: (C)1981,JPO&Japio
JP16497879A 1979-12-19 1979-12-19 Manufacture of silver-tin oxide electrical contact Pending JPS5687641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16497879A JPS5687641A (en) 1979-12-19 1979-12-19 Manufacture of silver-tin oxide electrical contact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16497879A JPS5687641A (en) 1979-12-19 1979-12-19 Manufacture of silver-tin oxide electrical contact

Publications (1)

Publication Number Publication Date
JPS5687641A true JPS5687641A (en) 1981-07-16

Family

ID=15803498

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16497879A Pending JPS5687641A (en) 1979-12-19 1979-12-19 Manufacture of silver-tin oxide electrical contact

Country Status (1)

Country Link
JP (1) JPS5687641A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609525A (en) * 1981-11-26 1986-09-02 Siemens Aktiengesellschaft Cadmium-free silver and metal oxide composite useful for electrical contacts and a method for its manufacture
CN105458273A (en) * 2015-11-26 2016-04-06 浙江工业大学 Method for promoting oxidation of Ag-Sn alloy powder through high energy ball milling method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609525A (en) * 1981-11-26 1986-09-02 Siemens Aktiengesellschaft Cadmium-free silver and metal oxide composite useful for electrical contacts and a method for its manufacture
CN105458273A (en) * 2015-11-26 2016-04-06 浙江工业大学 Method for promoting oxidation of Ag-Sn alloy powder through high energy ball milling method

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