Method for quantitatively detecting the decarburization reaction

Details Method for quantitatively detecting the decarburization reaction Method for quantitatively detecting the decarburization reaction

1984-12-14

1987-03-03

Andrews, Melvyn J.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

266 90, C21D 1100

Patent

active

046473190

ABSTRACT:
The decarburization reaction which occurs in the production of an electrical steel sheet is quantitatively detected by passing an electromagnetic wave beam into the vicinity of the sheet, which is positioned in an annealing furnace, and then measuring the absorption amount of the electromagnetic wave beam, which is absorbed by water vapor in the vicinity of the steel sheet and/or by CO gas formed due to the reaction between the water vapor and the steel sheet.

REFERENCES:
patent: 2886478 (1959-05-01), Beard
patent: 2914434 (1959-11-01), Snavely
patent: 3463631 (1969-08-01), Vaysseire et al.
patent: 4288062 (1981-09-01), Gupta et al.
"Steel Handbook IV, 3rd Edition", Edited by the Japan Institute for Iron and Steel, p. 561.

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