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首页> 外文期刊>Nanobiotechnology, IET >Effect of machined profile, zinc oxide and titanium dioxide particles on checking southern pine deck boards during weathering
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Effect of machined profile, zinc oxide and titanium dioxide particles on checking southern pine deck boards during weathering

机译：机械加工型材，氧化锌和二氧化钛颗粒对风化期间检查南方松木甲板板的影响

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The aim of this research was to test the hypothesis that the combination of profiling, treatment and a surface coating with nanoparticles will be effective at reducing checking in deck boards exposed to the weather. In this study southern pine () deck boards were machined to flat (control) and ribbed surface profiles. The specimens were treated with aqueous copper amine azole (CA-C) using a vacuum/pressure method and coated with nano-ZnO and micronised TiO. Boards were exposed to accelerated weathering for 576 h. The number, length and width of checks that developed in the boards were quantified and the average amounts of cupping, twist and bowing occurring in the weathered wood were examined. The results of the statistical analysis showed that all of the coated ribbed decking samples had lower average check numbers, lengths and widths compared to the end-matched flat untreated specimens. Checks were also shorter and narrower in the profiled southern pine deck board than in the unprofiled specimens. Furthermore, the lowest amount of cupping, twist and bowing were observed for specimens profiled and coated with the TiO. Therefore, the authors conclude that the coated ribbed decks looked significantly better than the flat decking.
机译：这项研究的目的是检验以下假设：将轮廓，处理和纳米粒子表面涂层相结合将有效减少暴露于天气的甲板上的检查。在这项研究中，将南部松木（）面板加工成平坦（对照）和肋状表面轮廓。使用真空/压力法将样品用含水铜胺唑（CA-C）处理，并用纳米ZnO和微粉化TiO涂覆。电路板暴露于加速风化下576小时。量化在木板上形成的支票的数量，长度和宽度，并检查风化木材中发生的拔罐，扭曲和弯曲的平均数量。统计分析的结果表明，与末端匹配的扁平未处理样本相比，所有带涂层肋纹甲板样本均具有较低的平均校验数，长度和宽度。异形南部松木盖板上的检查也比未异形样品短且窄。此外，对于异形和涂覆TiO的样品，观察到的最低量的拔罐，扭曲和弯曲。因此，作者得出的结论是，涂有涂层的肋板看起来比平甲板好得多。

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