磨き工程が京瓦の表面構造および機能に及ぼす影響

概要

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Kyo-Gawara is one of smoked roof tile and made by using traditional technique in Kyoto. One of traditional technique is Migaki process that craftsman strokes surface of the tile with paddle one by one. Empirically, it is said that Migaki process can improve surface properties like water shedding quality. In this study, using specimens having different number of times of Migaki process, investigation about influence of Migaki process on surface properties was performed. As a result, contact angle increased and surface roughness decreased with increase of times of Migaki process. From the result of XPS analysis, binding energy of carbon-carbon bonding becames larger with increase of times of Migaki process.