Download 68th Conference on Glass Problems, Volume 29 by Charles H. Drummond III PDF

By Charles H. Drummond III

This e-book is a state of the art number of contemporary papers on glass difficulties as offered on the 68th convention on Glass difficulties on the Ohio country college. issues comprise production, glass melters, combustion, refractories, and new developments.Content:

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Laboratory results have shown that it is possible to increase the chemical resistance more than 10 times. The mechanical properties like bending strength could be improved for more than 50 %, the scratch resistance was improved, the reflection was decreased with an increased transmission and the surface electrical conductivity was decreased. Most of these effects could be explained by an incorporation of Al into the glass matrix which was shown in diagram 1, where a strong increase of Al up to a depth of 50 nm is evident.

Additionally, the onboard microprocessor can automatically compensate for ambient temperature changes and provide sophisticated processing of measurement data. The result is an instrument that can process up to 1000 measurements per second with greater accuracy and nearly zero instrument drift. The benefits of accuracy and very low drift are obvious for gob, or any other process temperature measurement. The benefits of high speed are essential for gob temperature measurements. Depending on the gob length and velocity.

The two values are compared and the emissivity is calculated. This emissivity value is then applied to all 256 data points and a corrected thermal image is displayed. By applying this correction factor the system essentially becomes independent of changing emissivity and therefore, it can automatically adjust itself when glass type changes. Linescanner PCwithGSllO software Quenching Fig 8. Unique System for Temperature Measurement when Tempering Low-E Glass SYSTEM FEATURES A number of specific challenges had to be overcome in the development of this system.

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