G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 27/72 (2006.01) G01N 27/83 (2006.01)
Patent
CA 2091722
ABSTRACT OF THE DISCLOSURE The grain structure of electrical steel strip is tested by inducing a magnetic flux field into the strip by pole pieces at opposite sides of a permanent magnet. A magnetic detector head between the pole pieces responds to the leakage of flux as the steel strip and/or magnetic detection undergoes relative movement. A recorder is used to identify banding and mixed grain structures which cause a smaller flux leakage amplitude than larger desired grains.
Balmer Leroy R.
Crytzer Layton D.
Allegheny Ludlum Corporation
Balmer Leroy R.
Crytzer Layton D.
Riches Mckenzie & Herbert Llp
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