Spindle-shaped magnetic iron based alloy particles and process f

Details Spindle-shaped magnetic iron based alloy particles and process f Spindle-shaped magnetic iron based alloy particles and process f

1995-05-25

1997-02-04

Wyszomierski, George

Specialized metallurgical processes, compositions for use therei

Processes

Producing or purifying free metal powder or producing or...

75349, 75350, 148105, 423594, 423632, 427127, H01F 111, H01F 136

Patent

active

055993788

ABSTRACT:
Disclosed herein are spindle-shaped magnetic iron based alloy particles containing at least one selected from the group consisting of Ni, Al, Si, P, Co, Mg, B and Zn, which have a particle length of 0.05 to 0.40 .mu.m, a crystallite size of 110 to 180 .ANG., a specific surface area of 30 to 60 m.sup.2 /g, a coercive force of 1,300 to 1,700 Oe and a saturation magnetization (.sigma.s) of not less than 100 emu/g and a process for producing the same.

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