US 11,939,653 B2
Electrically-conductive material having excellent wear resistance and heat resistance
Terumasa Tsuruta, Tomioka (JP)
Assigned to TANAKA KIKINZOKU KOGYO K.K., Tokyo (JP)
Appl. No. 17/298,425
Filed by TANAKA KIKINZOKU KOGYO K.K., Tokyo (JP)
PCT Filed Nov. 25, 2019, PCT No. PCT/JP2019/045935
§ 371(c)(1), (2) Date May 28, 2021,
PCT Pub. No. WO2020/110986, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 2018-224339 (JP), filed on Nov. 30, 2018.
Prior Publication US 2022/0028573 A1, Jan. 27, 2022
Int. Cl. C22C 5/04 (2006.01); C22C 5/00 (2006.01); C22C 5/06 (2006.01); C22C 9/06 (2006.01); C22C 19/03 (2006.01); H01B 1/02 (2006.01); H01B 13/00 (2006.01); H02K 13/00 (2006.01)
CPC C22C 5/04 (2013.01) [C22C 5/00 (2013.01); C22C 5/06 (2013.01); C22C 9/06 (2013.01); C22C 19/03 (2013.01); H01B 1/02 (2013.01); H01B 13/00 (2013.01); H02K 13/00 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An electrically-conductive material comprising Ag in an amount of 10 mass % or more and 70 mass % or less, Pd in an amount of 30 mass % or more and 90 mass % or less, Ni in an amount of 11 mass % or more and 45 mass % or less, and inevitable impurities, wherein
a ratio of a Ni content (mass %) to a Ag content (mass %) (Ni (mass %)/Ag (mass %)) is 0.13 or more and 5.0 or less, and
metal structures have a AgPd alloy phase and a PdNi alloy phase, and a volume ratio of the PdNi alloy phase is 18 vol % or more and 80 vol % or less.