US 5,846,341 A · Method of carrying out diagnostics on a process for the thermo-chemical treatment of steels and alloys in a glow discharge and a device for carrying out the said method

Abstract

The proposed method of carrying out diagnostics on a process for the thermo-chemical treatment of steels and alloys in a glow discharge involves monitoring the ionization characteristics of the atmosphere as revealed by the intensity of the electromagnetic radiation in various frequency intervals. The proposed device for carrying out the method in question comprises a primary converter (1) in the form of an electromagnetic radiation emitter unit and contains filtering elements (5) mounted in such a way that they can be positioned in the radiation zone in front of the receiver (6) on a rotating disk (4). The disk (4) is provided with a rotation drive (7) for positioning the elements (5).

Claims12

Dependent claims

A method of carrying out diagnostics on a process for the thermo-chemical treatment of steels and alloys in glow discharge by monitoring characteristics of an ionized atmosphere and subsequently estimating process parameters comprising the steps of:

monitoring ionized atmosphere characteristics by extracting electromagnetic radiation in particular frequency intervals corresponding to active components and to a total number of ionized atmosphere particles;
converting an intensity of the extracted electromagnetic radiation into corresponding electric signals;
and,
estimating process parameters according to a quantity of active components of the ionized atmosphere, the quantity of active components derived by comparing the electric signals with one of the electric signals chosen as a reference signal and corresponding to a radiation intensity from a total number of particles of the ionized atmosphere.

1 more element

A device for diagnostics of heat treatment of steels and alloys in glow discharge comprising:

an instrumental transducer connected through an electric signal converter to a function generator, wherein the instrumental transducer is designed as a filtering module to extract electromagnetic radiation both from active components and from a total number of particles of an ionized atmosphere, the filtering module comprising a set of filtering elements which can be positioned one after another in a region of electromagnetic radiation being received in front of an electromagnetic radiation receiver.

Dependencies are inferred from the claim text.

Method of carrying out diagnostics on a process for the thermo-chemical treatment of steels and alloys in a glow discharge and a device for carrying out the said method

Life of this patent

Method of carrying out diagnostics on a process for the thermo-chemical treatment of steels and alloys in a glow discharge and a device for carrying out the said method

Life of this patent

Abstract

Claims12