Surface quality of the Ficus sp. wood veneers submitted to finishing treatments

Pereira, Karolina do Nascimento; Gonçalez, Joaquim Carlos; Raabe, Joabel; Costa, Alexandre Florian da

doi:10.21829/myb.2017.2321224

Cited by 3 publications

(1 citation statement)

References 9 publications

(4 reference statements)

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“…The WoA also was not significant, as shown by the results for the three species studied. The results shown in Table 1 reflect how the intrinsic properties of each species may influence the behaviors of the variables (Amorim et al 2013, Gardner et al 1991, Pereira et al 2017, Piao et al 2010, Santos and Garcia 2019, Tshabalala 2005.…”

Section: Isolated Species and Sanding Analysis And Wettability Variablesmentioning

confidence: 86%

The effect of sanding on the wettability and surface quality of Imbuia, Red oak and Pine wood veneers

Cordeiro

Miranda

Carneiro

et al. 2023

Maderas, Cienc. tecnol.

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The finishing quality of wood products depends on the material's surface and its intrinsic properties. Dynamic wettability is a simple and efficient way to understand the behavior of materials related to solidliquid interactions according to theoretical and practical perspectives. Thus, we sought to investigate the wettability of Imbuia (Ocotea spp.), Red oak (Quercus spp.), and Pine (Pinus elliottii) woods and its effects before and after sanding. Through the sessile drop technique, we evaluated contact angle and work of adhesion. Sanding changed the samples' surface quality due to the decrease in contact angle and the increase in the work of adhesion. In addition, the droplet spreading and adsorption observed on the surface of the woods are an indicator of wettability. Pine and Red oak had their dynamic contact angle reduced by up to 43 %. However, Imbuia was less susceptible to the effects of sanding, since it was found to be a more hydrophobic species; thus, this wood has a more stable surface in terms of dynamic wettability. This may be a result of the effect of low molecular weight compounds on the surface of Imbuia wood. The preparation of the wood surface depends on a synergy between the finishing processes and the chemical composition of the surface. Therefore, the results found can indicate which coatings are more suited to these woods.

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Section: Isolated Species and Sanding Analysis And Wettability Variablesmentioning

confidence: 86%

The effect of sanding on the wettability and surface quality of Imbuia, Red oak and Pine wood veneers

Cordeiro

Miranda

Carneiro

et al. 2023

Maderas, Cienc. tecnol.

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Colorimetry as a criterion for segregation of logging wastes from sustainable forest management in the Brazilian Amazon for bioenergy

et al. 2021

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Effect of Artificial Weathering on Physical and Mechanical Properties of Wood

et al. 2021

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When wood is exposed outdoors, a combination of chemical and mechanical factors and solar radiation contribute to what is described as weathering, being the main degradation agent in this environment. This paper aims to investigate the effect of artificial weathering on mechanical and physical properties of Eucalyptus sp. and Cupiúba (Goupia glabra) woods simulating natural weathering effects. Samples were aged in UV radiation chamber with humidity and temperature control for 100, 200, 300 and 400 hours, considering aging cycles according to ASTM G154 (2006). Wood properties investigated were Conventional value of strength in static bending (fM), Modulus of elasticity in static bending (EM), strength in compression parallel to grain (fc0) and Janka Hardness (fH) according to ABNT NBT 7190 (1997). Effects of artificial weathering on wood properties were evaluated by statistical analysis at 5% significance level. Most of the wood properties investigated did not present significant changes with the aging performed, however, it was noted a decrease in the absolute values of the wood properties absolute values during the aging process. Only fH of Cupiúba wood aged for 100 and 200 hours presented significative performance loss at the significance level considered, which can be related to changes on the wood surface due to weathering exposure.

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Surface quality of the Ficus sp. wood veneers submitted to finishing treatments

Cited by 3 publications

References 9 publications

The effect of sanding on the wettability and surface quality of Imbuia, Red oak and Pine wood veneers

The effect of sanding on the wettability and surface quality of Imbuia, Red oak and Pine wood veneers

Colorimetry as a criterion for segregation of logging wastes from sustainable forest management in the Brazilian Amazon for bioenergy

Effect of Artificial Weathering on Physical and Mechanical Properties of Wood

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