发明名称 |
Method for producing aluminum oxide coated iron powder |
摘要 |
A method is disclosed for producing aluminum oxide coated iron powder which comprises contacting iron powder of fine particle size with a liquid aluminum compound wherein the aluminum is hydrolyzable and adding water to the compound and the iron powder to form a slurry, removing essentially all of the liquid from the slurry to produce iron powder with a coating of hydrolyzed aluminum oxide, and firing the iron powder with the hydrolyzed aluminum oxide coating in a non-oxidizing atmosphere to produce iron powder with a coating of aluminum oxide.
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申请公布号 |
US4900590(A) |
申请公布日期 |
1990.02.13 |
申请号 |
US19890292713 |
申请日期 |
1989.01.03 |
申请人 |
GTE PRODUCTS CORPORATION |
发明人 |
RITSKO, JOSEPH E.;JOHNSON, WALTER A.;KOPATZ, NELSON E. |
分类号 |
B22F1/02;C23C18/12;C23C24/00 |
主分类号 |
B22F1/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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