Method and a device for detecting changes in a surface state and

Details Method and a device for detecting changes in a surface state and Method and a device for detecting changes in a surface state and

1988-10-06

1990-04-10

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

2503581, 356445, G01N 2155

Patent

active

049163175

ABSTRACT:
A method of detecting changes in a surface state and of monitoring said surface state, in particular for a body whose surface is at a given temperature and is in contact with a flowing liquid at a given temperature which may optionally be different from the temperature of said surface, wherein a reference metal body is placed in said liquid, said body having a surface at a temperature which is adjustable independently of the temperature of said liquid, and said body acting as an electrode which is optionally raised to an adjustable potential, and the surface state of said body is detected by measuring the intensity of light radiation reflected from at least one mirror-forming portion of the surface of the reference body.

REFERENCES:
patent: 4142802 (1979-03-01), Pollak et al.
Tozer, "Developing the Laser Corrosion Monitor", Physics in Technology, 6(6), pp. 251-257, Nov. 1975.

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