1243 押込み試験法による溶射TBC皮膜の機械的特性評価におけるスプラット間空隙の影響(J11-2 粒子付着・成膜プロセスと膜の機械的特性(2) 皮膜の機械的特性と成膜プロセス,ジョイントセッション,21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

概要

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Indentation test was carried out to measure mechanical properties (especially elastic modulus) of 8 wt.% Y_2O_3 partially stabilized ZrO_2 (YSZ) top coat used for Thermal barrier coatings (TBCs). The top coat was fabricated by air plasma spraying (APS) method. The APS coatings have very characteristic microstructure that consists of ceramic splats and inter-splat pores. Focusing on the intrinsic splat-structure on the mechanical behavior of APSed YSZ TBCs, quasi-splat structure specimens were also specified for the comparison. Special discussions were made on the effect of inter-splat pore on the elastic modulus evaluated by the indentation method.
社団法人日本機械学会の論文
2008-08-02