Title:
Manufacturing method of powder for Ag / SnO2 electrical contact and manufacturing method of Ag / SnO2 electrical contact material
Document Type and Number:
Japanese Patent JP6333099
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To manufacture an Ag/SnOelectric contact material having fine oxide particle, uniform distribution, environment friendly, relatively low in cost and good in conductivity and abrasion resistance.SOLUTION: There is provided a manufacturing method of an Ag/SnOelectric contact material including a process 1 for conducting ball milling at a rolling speed of 800 to 1500 times/minute to a mixture powder by mixing tin oxide, lanthanum oxide, copper oxide and cadmium oxide with mass ratio of 1:0.08 to 0.5:0.05 to 0.7:0.08 to 0.5 to obtain a nanocomposite powder, a process 2 of conducting ball milling at the rolling speed of 130 to 250 times/minute to powder by blending 11 to 22 mass% of the nanocomposite powder obtained in the process 1 and 78 to 89 mass% of silver powder and mixing uniformly to put the silver powder in the nanocomposite powder, a process 3 of granulating the powder obtained in the process 3, a process 4 of conducting molding and sintering to the powder granulated in the process 3 and a process 5 of conducting annealing to the material obtained in the process 4.
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Inventors:
Seiji Ikeda
Shunsuke Wang
Ninghua
Yang Yang
Attached Chong
Liu Shoto
Kaga
Guang Fengyang
Yang Yang super
Shunsuke Wang
Ninghua
Yang Yang
Attached Chong
Liu Shoto
Kaga
Guang Fengyang
Yang Yang super
Application Number:
JP2014144876A
Publication Date:
May 30, 2018
Filing Date:
July 15, 2014
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
C22C1/05; B22F1/00; B22F7/00; C22C1/10; C22C32/00; H01B1/02
Domestic Patent References:
JP9111371A |
Foreign References:
CN103276234A | ||||
CN103276235A | ||||
CN102864364A |
Attorney, Agent or Firm:
Michiharu Soga
Kajinami order
Kazuhiro Oyaku
Shunichi Ueda
Junichiro Yoshida
Satoshi Iino
Kajinami order
Kazuhiro Oyaku
Shunichi Ueda
Junichiro Yoshida
Satoshi Iino