Development Of High Time-Resolution Laser Flash Equipment For Thermal Diffusivity Measurements Using Miniature-Size Specimens Irradiated Heavily In A Reactor
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概要
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For measurements of thermal diffusivity of miniature-size specimens heavily irradiated by neutrons, a new Q-switched laser-flash instrument was developed. In the present instrument the time resolution was improved to 0.1 ms by using a laser-pulse width of 25 ns. The realization of high time-resolution made it possible to measure the thermal diffusivity of thin specimens. It is expected that copper of 0.7mm thick, and SUS 304 of 0.1mm could be used for the measurements. In case of ATJ graphite, 0.5mm thick specimen could be used for the reliable measurement in the temperature range of 300-1300K.Experimental TechniquesThermophysical Properties
- 東北大学の論文
- 1994-09-16
著者
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Shikama Tatsuo
The Oarai Branch, Institute for Material Research, Tohoku University
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Shikama Tatsuo
The Oarai Branch Institute For Materials Research Tohoku University
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NAMBA Chusei
National Institute for Fusion Science
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