G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 27/85 (2006.01) G01N 27/72 (2006.01) G01N 27/83 (2006.01)
Patent
CA 2190520
To provide an effective method of nondestructively and easily judging plasticization of steel used in a real construction. A magnetic sensor 10 is made to scan along the surface of steel to detect a magnetic field caused by a magnetic anisotropy induced by plastic deformation of the steel, and the existence and position of the plasticization is judged from the state of distribution of the magnetic field. As a magnetic sensor, a differential type one comprised of detection coils 10a and 10b, the winding directions of which are opposite to each other, is used to compensate a magnetic field intrinsic to the steel.
Chinone Kazuo
Ishikawa Noboru
Nakayama Satoshi
Odawara Akikazu
Yamakawa Hiroshi
Borden Ladner Gervais Llp
Chinone Kazuo
Ishikawa Noboru
Nakayama Satoshi
Odawara Akikazu
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