Hydrogen measurement at carburizing processes

Thema:

Publikationsform: Fachartikel
Artikelnummer: 00541_2008_04_09
Ausgabe: 04
Zeitschrift: Hydrogen measurement at carburizing processes
Autor: Stefan Heineck/Frank Theisen
Verlag: Vulkan-Verlag GmbH
Seiten: 3
Publikationsformat: PDF
Sprache: English
Themenbereich: Thermoprozesstechnik

Details

Sensor based process control is essential at actual quality assurance and permanent increasing quality requirements. Especially this is widespread inside Europe and contributes the economical future on the worldwide market place. The carburizing process is a core technology in the area of heat treatment of metals and comes across in nearly each heat treatment shop. Beside the use of oxygen probes also the measurement of the process gas via CO/CO2 analysis is a current technology at carburizing processes. The measurement principle of a CO/CO2 analysis is normally infrared absorption. With this principle the measurement gases have to be prepared extensive, like possible parts of soot or water must be removed prior. Soot or water can distort the measurement result essential. In consequence the analysis equipment has to be maintained, checked and calibrated often.

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