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특허 상세정보

Iron-chromium alloy with improved compressive yield strength and method of making and use thereof

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F01L-003/02   
미국특허분류(USC) 123/188.3; 419/008; 251/359; 029/890.122
출원번호 US-0652635 (2010-01-05)
등록번호 US-8479700 (2013-07-09)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Buchanan Ingersoll & Rooney PC
인용정보 피인용 횟수 : 3  인용 특허 : 46
초록

A chromium-iron alloy comprises in weight %, 1 to 3% C, 1 to 3% Si, up to 3% Ni, 25 to 35% Cr, 1.5 to 3% Mo, up to 2% W, 2.0 to 4.0% Nb, up to 3.0% V, up to 3.0% Ta, up to 1.2% B, up to 1% Mn and 43 to 64% Fe. In a preferred embodiment, the chromium-iron alloy comprises in weight %, 1.5 to 2.3% C, 1.6 to 2.3% Si, 0.2 to 2.2% Ni, 27 to 34% Cr, 1.7 to 2.5% Mo, 0.04 to 2% W, 2.2 to 3.6% Nb, up to 1% V, up to 3.0% Ta, up to 0.7% B, 0.1 to 0.6% Mn and 43 to 64% Fe. The chromium-iron alloy is useful for valve seat inserts for internal combustion engines such a...

대표
청구항

1. A chromium-iron alloy comprising in weight %: 1 to 3% C;1 to 3% Si;up to 3% Ni;25 to 35% Cr;1.5 to 3% Mo;up to 2% W;2.0 to 4.0% Nb;up to 3.0% V;up to 3.0% Ta;up to 1.2% B;up to 1% Mn;43 to 64% Fe; and comprising a ferrite-carbide matrix with spherical and/or polyhedron-shaped particles distributed throughout the ferrite-carbide matrix. 2. The chromium-iron alloy of claim 1 comprising in weight %: 1.5 to 2.3% C;1.6 to 2.3% Si;0.2 to 2.2% Ni;27 to 34% Cr;1.7 to 2.5% Mo;0.04 to 2% W;2.2 to 3.6% Nb;up to 1% V;up to 1.0% Ta;up to 0.7% B;0.1 to 0.6% Mn;43 t...

이 특허에 인용된 특허 (46)

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