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Experimental Research on Silicon-Based Composite Resistance Characteristic under Thermal Load
Abstract:
In order to research the resistance characteristic of silicon-based composite tiles under high temperature thermal load on aircraft during its reentry into the earth's atmosphere, the ordinary resistance measurements were comparatively discussed according to the operational environment of composite, two parallel electrodes probe test method was proposed, and the resistance test platform under high temperature thermal load was developed, by which the resistance characteristic of silicon-based composite tiles was continuous monitored under different thermal load. The result shows that: If the temperature is not higher than 600°C, the resistance will increase with the decrease of temperature until it reached the resistance value at room temperature; If the temperature is higher than 700°C, the resistance characteristic will be changed everlastingly; If the temperature is higher than 800°C, the resistance will be less than 1kΩ and will not change any more.
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595-598
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Online since:
July 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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