Acicular process for producing particulate material

Details Acicular process for producing particulate material Acicular process for producing particulate material

1986-10-14

1989-06-27

Cooper, Jack

Compositions

Magnetic

Chromium or chromium compound containing

252 6256, 423439, C01B 3130

Patent

active

048427594

ABSTRACT:
The present invention relates to novel acicular particles, processes for using the same, and magnetic materials prepared from such particles. In particular, the invention relates to an acicular particulate material containing iron carbide and having a high coercive force(Hc) an orientation property in a magnetic field.

REFERENCES:
patent: 2535042 (1950-12-01), Cohn et al.
patent: 3572993 (1971-03-01), Rogers
patent: 3748270 (1973-07-01), Hwang
patent: 3885023 (1975-05-01), Gray et al.
patent: 4033891 (1977-07-01), Matsui et al.
patent: 4137342 (1979-01-01), Kanten
patent: 4668414 (1987-05-01), Okamura et al.
Beaulieu et al., "Canadian Metallurgical Quarterly", vol. 12, No. 3 (1973) pp. 265-270.

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