UV kürlenmeli vernik uygulanmış sedir odununun yapay yaşlandırma uygulaması sonrasında bazı yüzey özelliklerinin belirlenmesi

Ayata, Ümit; Gürleyen, Levent

doi:10.33725/mamad.1005120

Cited by 5 publications

(2 citation statements)

References 18 publications

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“…Hardness values were determined by pendulum hardness measuring device (Model 299/300 Erichsen, Hemer, Germany) according to ASTM D4366-16 (2021) standard, according to the König method (from 6 o to 3 o ) (Ayata et al 2021b).…”

Section: Test Standardsmentioning

confidence: 99%

Effects of artificial weathering on some surface properties of Anatolian chestnut (Castanea sativa Mill.) wood applied with yacht varnish

Ulay

2023

BioRes

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Anatolian chestnut wood is an industrial material used in various indoor and outdoor applications in Turkey. This study investigated the effects of artificial weathering (times: 144, 288, 432, and 576 h) conditions on color parameters (L*, ∆L*, a*, ∆a*, b*, ∆b*, ∆E*, ho, ∆H*, C*, and ∆C*), glossiness values at 60° in different directions (║ and ⊥), pendulum hardness (König method) values, and surface adhesion strength (pull-off method, MPa) on the layers of yacht varnishes applied to Anatolian chestnut (Castanea sativa Mill.) wood. The results showed that the univariate analysis of variance was significant by obtaining the weathering factor for all tests. While the brightness values perpendicular (⊥) and parallel (║) to the fibers increased at 144 and 288 h, they decreased at 432 and 576 h. Adhesion strength to the surface decreased 4.35% at the 576th h of weathering. At the end of weathering, a*, C*, b*, and pendulum hardness values increased, while ho and L* values decreased compared to un-weathered samples. The ∆a* and ∆E* values increased with increased weathering time.

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Section: Test Standardsmentioning

confidence: 99%

Effects of artificial weathering on some surface properties of Anatolian chestnut (Castanea sativa Mill.) wood applied with yacht varnish

Ulay

2023

BioRes

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“…By comparing the condition before and after any treatment, it is possible to calculate a relative color change expressed as the Euclidean distance ΔE* (Anonymous 1997;MacDougall 2001;Bristow 2009). A CS-10 (CHNSpec Technology Co., Ltd., Hangzhou, China) colorimeter for measuring color with the CIE L*a*b* system device was used [illumination system: 8/d (8°/diffused illumination), CIE D65 light source, CIE 10° standard observer] according to ASTM D2244-3 ( 2007) standard (Ayata et al 2021a(Ayata et al , 2021bAyata 2022). The following formulas were used to calculate the color change (Ayata et al 2018).…”

Section: Determination Of Optical Propertiesmentioning

confidence: 99%

Determination of color characteristics of some wood species treated with bleaching chemicals

Çakıcıer,

Ulay

2023

BioRes

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With the application of bleaching treatments, the color of the wood material changes. When different bleaching agents are applied to the same wood, different results are likely to be obtained. In this study, wood species doussié (Afzelia africana), iatandza (Albizia ferruginea), merbau (Intsia bijuga (Colebr.) O. Kuntze), mahogany (Swietenia mahagoni L.), and hornbeam (Carpinus betulus L.) along with one and two component (B-One-C and B-Two-C) wood bleaching chemicals were applied to the wood material surfaces with sponge technique. Then, color parameters (ho: hue angle, a*: red color tone, b*: yellow color tone, C*: chroma, and L*: lightness) were determined on bleached and unbleached materials. According to the results obtained, B-One-C application increased ho, a*, b*, C*, and L* values in all wood species. The highest ∆E* values were determined in mahogany, doussié, hornbeam, and merbau wood species treated with B-Two-C. The chemicals used in the study showed different results on the same wood.

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The effects of thermal aging on color and glossiness in UV cured coatings applied to sessile oak

Şahin,

Ayata,

Esteves

2024

Maderas-Cienc Tecnol

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Color and glossiness are two important aesthetic properties of wood flooring and wood furniture that significantly affect consumers choice. With time the coating deteriorates altering the surface properties. Understanding these changes is important for furniture industry, impacting design choices, material selection, and long-term maintenance. The effects of thermal aging (30 °C for 30 days, 60 °C for 60 days, and 90 °C for 90 days) on color parameters (C*, L*, b*. a*, ho) and glossiness on both perpendicular (⊥) and parallel (║) directions at 20°, 60°, and 85° angles in UV-cured coatings applied on sessile oak were studied. Results show that statistically significant differences were observed in the glossiness values, as well as in C*, b*, a*, L* and ho. As the temperature and duration of the thermal aging process increased, there was a noticeable increase in the values of color parameters b*, a*, and C*, while the values of ho and L* decreased. The characteristics of the surfaces exposed to thermal aging have undergone a complete transformation.

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UV kürlenmeli vernik uygulanmış sedir odununun yapay yaşlandırma uygulaması sonrasında bazı yüzey özelliklerinin belirlenmesi

Cited by 5 publications

References 18 publications

Effects of artificial weathering on some surface properties of Anatolian chestnut (Castanea sativa Mill.) wood applied with yacht varnish

Effects of artificial weathering on some surface properties of Anatolian chestnut (Castanea sativa Mill.) wood applied with yacht varnish

Determination of color characteristics of some wood species treated with bleaching chemicals

The effects of thermal aging on color and glossiness in UV cured coatings applied to sessile oak

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