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Thermal history coating : ウィキペディア英語版 | Thermal history coating A thermal history coating (THC) is a robust coating containing various non-toxic chemical compounds whose crystal structures irreversibly change at high temperatures. This allows for temperature measurements and thermal analysis to be performed on intricate and inaccessible components, which operate in harsh environments. Like thermal barrier coatings, THCs provide protection from intense heat to the surfaces on which they are applied. The temperature range that THCs provide accurate temperature measurements in is 900 °C to 1400 °C with an accuracy of ±10 °C.〔J. P. Feist, J. R. Nicholls, M. J. Fraser, A. L. Heyes (2006) "Luminescent material compositions and structures incorporating the same" Patent PCT/GB2006/003177〕 ==Application of THCs== THCs are applied by atmospheric plasma spraying, which is a thermal spraying technique. This ensures that the coatings are robust to allow long life-times in harsh environments, such as on jet engine components, which experience temperatures in excess of 1000 °C〔(【引用サイトリンク】url=http://www.rolls-royce.com/interactive_games/journey02/flash.html )〕 and angular velocities of up to 10,000rpm〔(【引用サイトリンク】url=http://cs.stanford.edu/people/eroberts/courses/ww2/projects/jet-airplanes/how.html )〕 (revolutions per minute).
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Thermal history coating」の詳細全文を読む
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