US2006207386A1PendingUtilityA1

Alloy powder for forming hard phase and ferriferous mixed powder using the same, and manufacturing method for wear resistant sintered alloy and wear resistant sintered alloy

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Assignee: HITACHI POWDER METALS CO LTDPriority: Nov 21, 2003Filed: May 18, 2006Published: Sep 21, 2006
Est. expiryNov 21, 2023(expired)· nominal 20-yr term from priority
Inventors:Hideaki KawataKoichiro Hayashi
B22F 2998/00F01L 3/02C22C 29/02C22C 33/0207C22C 29/18Y10T428/12007C22C 33/0292C22C 29/14C22C 29/16F01L 2301/00B22F 3/11C22C 19/07
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Claims

Abstract

Alloy powder for forming a hard phase for a valve seat material having excellent high temperature wear resistance. The overall composition is consisted of Mo: 48 to 60 mass %, Cr: 3 to 12 mass % and Si: 1 to 5 mass %, and the balance of Co and inevitable impurities.

Claims

exact text as granted — not AI-modified
1 . An alloy powder for forming a hard phase, consisting of Mo: 48 to 60 mass %, Cr: 3 to 12 mass % and Si: 1 to 5 mass %, and the balance of Co and inevitable impurities.  
     
     
         2 . A ferriferous mixed powder for a wear resistant sintered alloy, wherein 5 to 40 mass % of the alloy powder for forming hard phase according to  claim 1  is added to an iron base alloy powder for forming iron alloy matrix.

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