TRANSITION METAL-INCLUDED TUNGSTEN CARBIDE, TUNGSTEN CARBIDE DIFFUSED CEMENTED CARBIDE, AND PROCESS FOR PRODUCING SAME

Title:

TRANSITION METAL-INCLUDED TUNGSTEN CARBIDE, TUNGSTEN CARBIDE DIFFUSED CEMENTED CARBIDE, AND PROCESS FOR PRODUCING SAME

Document Type and Number:

WIPO Patent Application WO/2010/024160

Kind Code:

A1

Abstract:

Disclosed is a tungsten alloy carbide powder as a tungsten carbide that comprises a transition metal element forcibly dissolved as a solid solution, and is suitable as a material for cemented carbides. A diffused cemented carbide that is comparable with the conventional tungsten carbide diffused cemented carbide and comprises a solid solution phase of at least one transition metal element selected from the group consisting of cobalt, iron, nickel, and manganese, tungsten, and carbon, included in a tungsten carbide skeleton can be provided by carbonizing a powder of a tungsten alloy that comprises at least one transition metal element selected from the group consisting of cobalt, iron, and nickel dissolved as a solid solution in a tungsten grating and exhibits a peak derived from a bcc tungsten phase in an X-ray diffraction diagram.

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Inventors:

MORISHITA MASAO (JP)
YAMAMOTO HIROAKI (JP)
IKEBE MASAAKI (JP)
IWASAKI MASAHIRO (JP)
YANAGITA HIDEFUMI (JP)
NISHIMAKI HIROSHI (JP)

Application Number:

PCT/JP2009/064495

Publication Date:

March 04, 2010

Filing Date:

August 19, 2009

Export Citation:

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Assignee:

SANALLOY INDUSTRY CO LTD (JP)
MORISHITA MASAO (JP)
YAMAMOTO HIROAKI (JP)
IKEBE MASAAKI (JP)
IWASAKI MASAHIRO (JP)
YANAGITA HIDEFUMI (JP)
NISHIMAKI HIROSHI (JP)

International Classes:

C22C29/08; B22F9/22

Foreign References:

JPH07500804A	1995-01-26
JPH10183265A	1998-07-14
JP2002047506A	2002-02-15
JP2001073012A	2001-03-21
JPS5925950A	1984-02-10

Other References: