Hard particle powder for sintered body

US2019256955A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2019256955-A1
Application numberUS-201916271620-A
CountryUS
Kind codeA1
Filing dateFeb 8, 2019
Priority dateFeb 16, 2018
Publication dateAug 22, 2019
Grant date

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

Provided is a hard particle powder for a sintered body, consisting of: 0.01≤C≤3.5 mass %, 0.5≤Si≤4.0 mass %, 0.1≤Mn≤10.0 mass %, 0.1≤Ni≤35.0 mass %, 0.1≤Cr≤40.0 mass %, 5.0≤Mo≤50.0 mass %, 0.1≤Fe≤30.0 mass %, and 0.01≤REM≤0.5 mass %, with a balance being Co and inevitable impurities.

First claim

Opening claim text (preview).

What is claimed is: 1 . A hard particle powder for a sintered body, consisting of: 0.01≤C≤3.5 mass %, 0.5≤Si≤4.0 mass %, 0.1≤Mn≤10.0 mass %, 0.1≤Ni≤50.0 mass %, 0.1≤Cr≤40.0 mass %, 5.0≤Mo≤50.0 mass %, 0.1≤Fe≤30.0 mass %, and 0.01≤REM≤0.5 mass %, with a balance being Co and inevitable impurities. 2 . The hard particle powder for a sintered body, according to claim 1 , wherein the content of Mn is: 4.0≤Mn≤7.0 mass %. 3 . The hard particle powder for a sintered body, according to claim 1 , wherein the content of Ni is: 0.2≤Ni≤30 mass %. 4 . The hard particle powder for a sintered body, according to claim 1 , wherein the content of Fe is: 2.0≤Fe≤20 mass %. 5 . A sintered body comprising: a hard particle powder, a pure iron powder, and a graphite powder, wherein the hard particle powder consists of: 0.01≤C≤3.5 mass %, 0.5≤Si≤4.0 mass %, 0.1≤Mn≤10.0 mass %, 0.1≤Ni≤35.0 mass %, 0.1≤Cr≤40.0 mass %, 5.0≤Mo≤50.0 mass %, 0.1≤Fe≤30.0 mass %, and 0.01≤REM≤0.5 mass %, with a balance being Co and inevitable impurities. 6 . The sintered body according to claim 5 , wherein the content of Mn is: 4.0≤Mn≤7.0 mass %. 7 . The sintered body according to claim 5 , wherein the content of Ni is: 0.2≤Ni≤30 mass %. 8 . The sintered body according to claim 5 , wherein the content of Fe is: 2.0≤Fe≤20 mass %.

Assignees

Inventors

Classifications

  • Manufacturing of components used in valve arrangements · CPC title

  • C22C30/00Primary

    Alloys containing less than 50% by weight of each constituent · CPC title

  • based on cobalt · CPC title

  • Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials · CPC title

  • Testing or simulation · CPC title

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What does patent US2019256955A1 cover?
Provided is a hard particle powder for a sintered body, consisting of: 0.01≤C≤3.5 mass %, 0.5≤Si≤4.0 mass %, 0.1≤Mn≤10.0 mass %, 0.1≤Ni≤35.0 mass %, 0.1≤Cr≤40.0 mass %, 5.0≤Mo≤50.0 mass %, 0.1≤Fe≤30.0 mass %, and 0.01≤REM≤0.5 mass %, with a balance being Co and inevitable impurities.
Who is the assignee on this patent?
Daido Steel Co Ltd
What technology area does this patent fall under?
Primary CPC classification C22C30/00. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Thu Aug 22 2019 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).