High-temperature extensometer
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United States of America Patent
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Dec 23, 1997
Grant Date -
N/A
app pub date -
Mar 25, 1996
filing date -
May 8, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to an apparatus for the one-dimensional, highly precise measurement of extension at the surfaces of hot specimens. The working range extends from normal temperature to about 1800.degree. C., but measurements are also possible up to 2300.degree. C. With respect to atmospheric pressure, the application range extends from vacuum up to pressures of several bar. The high-temperature extensometer in accordance with the invention is distinctly more cost-effective than previous extensometers for hot test specimens, despite its considerably larger measurement range.
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