Iron-based sintered compact and method for production thereof

Details Iron-based sintered compact and method for production thereof Iron-based sintered compact and method for production thereof

2008-03-25

2008-03-25

King, Roy (Department: 1793)

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Special medium during sintering

C420S008000

Reexamination Certificate

active

07347969

ABSTRACT:
Provided is an iron-based sintered body with a rustproof function comprising a layer containing 0.01 to 5 at % of indium on the surface of the iron-based sintered body, or an iron-based sintered body with a rustproof function containing 0.01 to 5 at % of indium throughout the sintered body, and the iron-based sintered body having iron as its principal component is manufactured by performing sintering in a gas atmosphere containing indium vapor or indium. Thereby obtained is an iron-based sintered body, as well as the manufacturing method thereof, capable of easily improving the rustproof effect without having to hardly change the conventional process.

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patent: 6132487 (2000-10-01), Mori
patent: 2005/0166709 (2005-08-01), Yahagi et al.
patent: 61-034101 (1986-02-01), None
patent: 64-001522 (1989-01-01), None
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patent: 06-290919 (1994-10-01), None
patent: 10-046201 (1998-02-01), None
patent: 2003-003201 (2003-01-01), None
“Sintering Furnaces and Atmospheres” ASM Handbook, vol. 7, pp. 453-467.
Patent Abstracts of Japan, 1 page English Abstract of JP 2003-003201, Jan. 2003.
Patent Abstracts of Japan, 1 page English Abstract of JP 04-176801, Jun. 1992.
esp@cenet database, 1 page English Abstract of JP 06-290919, Oct. 1994.
esp@cenet database, 1 page English Abstract of JP 64-001522, Jan. 1989.
esp@cenet database, 1 page English Abstract of JP 10-046201, Feb. 1998.
esp@cenet database, 1 page English Abstract of JP 61-034101, Jan. 1986.

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