Suchergebnisse - Ümit Ayata

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  1. 1

    Testing of Bleaching Application on Kingwood (Dalbergia cearensis Ducke) Wood von Hüseyin Peker, Ümit Ayata

    Veröffentlicht 2025-01-01

    In this study, surface changes (whiteness index: WI*, color parameters, and glossiness properties) occurring after bleaching with oxalic acid (C2H2O4) and hydrogen peroxide (H2O2) + sodium hydroxide (NaOH) chemicals in kingwood (Dalbergia cearensis Ducke) wood, used for high-quality applications suc...

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  2. 2

    The Effect of Weathering on Color and Glossiness Properties of Polyurethane-Modified Water-Based Varnish Layers Applied to Thermally Treated Ash Wood von Göksel Ulay, Mete Akter, Nevzat Çakıcıer, Hüseyin Peker, Ümit Ayata, Abdi Atılgan, Seymen Çiftçi

    Veröffentlicht 2025-07-01

    The effects of artificial weathering (168, 336, and 504 h) on the glossiness values and color parameters of varnished, polyurethane-modified ash wood were investigated. Samples included control samples without treatment and thermally treated samples under two different conditions (190 °C for 1.5 h a...

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