Process for producing soft magnetic material

Metal treatment – Process of modifying or maintaining internal physical... – Magnetic materials

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

75211, 75224, 252 6255, H01F 114

Patent

active

040479838

ABSTRACT:
A method for producing a soft magnetic material consisting essentially of up to 0.05% carbon, up to 1.0% manganese, up to 0.05% sulfur, up to 0.5% silicon, from 0.5 to 1.5% phosphorus, balance iron and residuals. The method comprises the steps of: blending iron powder and phosphorus-bearing powder into a mixture containing from 0.5 to 1.5% phosphorus; pressing the blended mixture; and sintering the mixture in a non-oxidizing atmosphere at a temperature and for a period of time sufficient to produce a density of at least 7 grams per cubic centimeter. The sintering temperature is at least 2200.degree. F. The soft magnetic material is characterized by a magnetizing force to reach 10 kilogauss of no more than 2.0 oersteds, and a coercive force from 10 kilogauss of no more than 0.9 oersted.

REFERENCES:
patent: 2661282 (1953-12-01), Daley
patent: 3120698 (1964-02-01), Elliot
patent: 3497347 (1970-02-01), Dautzenberg et al.
Panasyuk et al., "Chem. Abstracts," vol. 79, 1973, p. 24909k.
Bol'shechenko et al., "Chem. Abstracts," vol. 79, 1973, p. 34095f.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Process for producing soft magnetic material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for producing soft magnetic material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing soft magnetic material will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-271572

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.