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Title:
METAL POWDER FOR POWDER METALLURGY AND IRON-BASED SINTERED COMPACT
Document Type and Number:
WIPO Patent Application WO/2004/024372
Kind Code:
A1
Abstract:
A metal powder for powder metallurgy containing iron as a main component, characterized in that it further contains an indium soap; and the metal powder for powder metallurgy, characterized in that it still further contains, in addition to said indium, at least one selected from among a bismuth soap, a nickel soap, a cobalt soap, a copper soap, a manganese soap and a aluminum soap. The above mixed metal powder for powder metallurgy allows the production of a sintered compact exhibiting enhanced rust inhibiting effect with ease, with little change of a conventional process.

Inventors:
Yahagi, Masataka c/o Isohara, Factory Of Nikko (Materials Co. Ltd., 187-4, Usuba, Hanakawa-ch, Kitaibaraki-shi Ibaraki, 319-1535, JP)
Imori, Toru c/o Isohara, Factory Of Nikko (Materials Co. Ltd., 187-4, Usuba, Hanakawa-ch, Kitaibaraki-shi Ibaraki, 319-1535, JP)
Nakamura, Atsushi c/o Isohara, Factory Of Nikko (Materials Co. Ltd., 187-4, Usuba, Hanakawa-ch, Kitaibaraki-shi Ibaraki, 319-1535, JP)
Narusawa, Yasushi c/o Nikko Materials Co. Ltd. (GNF Plant, 3-3-1, Shirogane-ch, Hitachi-shi Ibaraki, 317-0056, JP)
Masuda, Seiji c/o Nikko Materials Co. Ltd. (GNF Plant, 3-3-1, Shirogane-ch, Hitachi-shi Ibaraki, 317-0056, JP)
Application Number:
PCT/JP2003/011151
Publication Date:
March 25, 2004
Filing Date:
September 01, 2003
Export Citation:
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Assignee:
NIKKO MATERIALS CO., LTD. (10-1, Toranomon 2-chome Minato-ku, Tokyo, 105-8407, JP)
Yahagi, Masataka c/o Isohara, Factory Of Nikko (Materials Co. Ltd., 187-4, Usuba, Hanakawa-ch, Kitaibaraki-shi Ibaraki, 319-1535, JP)
Imori, Toru c/o Isohara, Factory Of Nikko (Materials Co. Ltd., 187-4, Usuba, Hanakawa-ch, Kitaibaraki-shi Ibaraki, 319-1535, JP)
Nakamura, Atsushi c/o Isohara, Factory Of Nikko (Materials Co. Ltd., 187-4, Usuba, Hanakawa-ch, Kitaibaraki-shi Ibaraki, 319-1535, JP)
Narusawa, Yasushi c/o Nikko Materials Co. Ltd. (GNF Plant, 3-3-1, Shirogane-ch, Hitachi-shi Ibaraki, 317-0056, JP)
Masuda, Seiji c/o Nikko Materials Co. Ltd. (GNF Plant, 3-3-1, Shirogane-ch, Hitachi-shi Ibaraki, 317-0056, JP)
International Classes:
B22F3/02; B22F1/00; C22C33/02; C22C38/00; C22C38/04; C22C38/08; C22C38/10; C22C38/16; (IPC1-7): B22F1/00; B22F3/02
Foreign References:
JPH04176801A1992-06-24
JP01001522B2
JP2003003201A2003-01-08
JPH06290919A1994-10-18
JPS6446201A1989-02-20
JPH06290919A1994-10-18
JPH06134101A1994-05-17
Other References:
See also references of EP 1537929A1
Attorney, Agent or Firm:
Ogoshi, Isamu (Ogoshi International Patent Office, Toranomon 9 Mori Bldg. 3F 2-2, Atago 1-chom, Minato-ku Tokyo, 105-0002, JP)
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