Sintered friction material for railway vehicles and method for producing the same

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United States of America Patent

PATENT NO 11674206
APP PUB NO 20190292634A1
SERIAL NO

16463878

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Abstract

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There is provided a sintered friction material for railway vehicles that has excellent frictional properties and wear resistance even in a high speed range of 280 km/hour or more. The sintered friction material for railway vehicles is a green compact sintered material containing, in mass %, Cu: 50.0 to 75.0%, graphite: 5.0 to 15.0%, one or more selected from the group consisting of magnesia, zircon sand, silica, zirconia, mullite, and silicon nitride: 1.5 to 15.0%, one or more selected from the group consisting of W and Mo: 3.0 to 30.0%, and one or more selected from the group consisting of ferrochromium, ferrotungsten, ferromolybdenum, and stainless steel: 2.0 to 20.0%, with the balance being impurities.

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATIONTOKYO 100-8071
FINE SINTER CO LTD1189-11 NISHINOHORA AKECHI-CHO KASUGAI-SHI AICHI 480-0303

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asabe, Kazutaka Tokyo, JP 18 63
Ichikawa, Yuki Tokyo, JP 36 120
Kubota, Manabu Tokyo, JP 82 247
Nakano, Takeshi Kasugai, JP 103 671
Okahira, Tokitake Kasugai, JP 3 2
Shimazoe, Isao Kasugai, JP 4 6

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