Assessment of surface properties and solvent-borne coating performance of red oak wood produced by peripheral planing

Ugulino, Bruna; Hernández, Roger E.

doi:10.1007/s00107-016-1090-6

Cited by 22 publications

(13 citation statements)

References 51 publications

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“…The anatomical influence can be reduced with the help of such filters and the roughness profile can be optimised for surface evaluation of the sample [29,30]. Moreover, when analysing deep valleys on the sample surface, the robust Gaussian filter does not produce distortions that maybe formed by other filters [31]. The mean surface roughness (Sa) is the most widely used parameter for describing the variations in surface height and was calculated according to ISO 4287 (1997).…”

Section: (B)mentioning

confidence: 99%

Resilient hemp shiv aggregates with engineered hygroscopic properties for the building industry

Hussain

Calabria-Holley

Lawrence

et al. 2019

Construction and Building Materials

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This study focuses on the surface treatment of an extremely hydrophilic natural plant material, hemp shiv, using a functionalised silica based coating to provide hydrophobicity while retaining its moisture buffering ability. The chemical composition and physical structure of bio-based materials results in their extremely hydrophilic behaviour. In this work, a simple one step coating process was used to enhance the water-repellence of hemp shiv without compromising its ability to adsorb and release moisture. The coating modified the morphology and surface roughness of hemp shiv providing a hydrophobic surface having a water contact angle of 118° and reduced the bulk water absorption by 250% over 24 hours. Mercury intrusion porosimetry (MIP) showed that the treatment refined the pore size distribution of hemp shiv, reducing the size of larger pores but not completely blocking the smaller pores thereby allowing hemp shiv to buffer moisture. Fourier-transform infrared spectroscopy (FTIR) revealed the chemical composition was modified by the coating, reducing the hydroxyl groups. Hemp shiv aggregates treated with functionalised silica based coating show potential for the development of robust lightweight building materials with enhanced hydrophobicity.

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Section: (B)mentioning

confidence: 99%

Resilient hemp shiv aggregates with engineered hygroscopic properties for the building industry

Hussain

Calabria-Holley

Lawrence

et al. 2019

Construction and Building Materials

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“…Generally, in terms of adherence, small differences were found when comparing the two varnish products. Results of other studies revealed that water-based finishes induced greater surface roughness, increasing the contact area and thus resulting in a better adherence to the wood surface [13,35].…”

Section: Evaluation Of the Coating Propertiesmentioning

confidence: 99%

“…The substrate preparation prior to the varnish application and the coating product present a specific influence on the properties of the final finished product [13]. The wood grain may raise, twist, and lift during the wetting and sanding, which can be reduced with a proper sanding process [14].…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of Selected Properties of Alder Wood as Functions of Sanding and Coating

2017

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Abstract:The objective of this study was to optimize the sanding and coating processes of black alder wood to promote and support its use in furniture manufacturing. Two criteria have been applied for process optimization, namely, the minimum surface roughness of the samples and power consumption during sanding as a function of various sanding systems. The surface roughness of the sanded specimens and the power consumption during sanding strongly depends on the grit size used. Two eco-varnishes were applied to the samples by spraying. Moreover, the effect of the surface preparation and varnish type on the coating properties expressed by the varnish layer adherence to the substrate and surface glossiness was evaluated. For better glossiness values, the UV-cured varnish was preferred. The sanding with a grit sequence of 60, 120, and 150 grit size abrasives was found to be optimal when applied to black alder wood, and it is recommended to obtain performant UV-coated wood surfaces for furniture products.

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“…Surface quality of solid wood products is one of the most important properties infl uencing further manufacturing processes such as fi nishing (coating) or strength of adhesive joint (Kilic et al, 2006; Aguilera and Muñoz, 2011; Ugulino and Hernández, 2016). Nevertheless, determination of surface quality in planing is a complex process depending on the heterogeneous structure of wood species (Belleville et al, 2016;Malkoçoğlu and Özdemir, 2006;Malkoçoğlu, 2007;Sofuoğlu and Kurtoğlu, 2015), kinematics of the cutting process (Hernández and•Cool, 2008;Gottlöber et al, 2015), and machining conditions (Jokerst and Stewart, 1976;Malkoçoğlu, 2007;Minami and Nishio, 2015;Stewart, 1980;Ugulino and Hernández, 2016).…”

Section: Introduction 1 Uvodmentioning

confidence: 99%

Comparison of Surface Quality and Tool-Life of Glulam Window Elements after Planing

Dobrzyński

Orłowski

Biskup³

2019

Drv. ind. (Online)

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The quality of the surface of wooden elements, that have been planed, has a crucial importance in the whole production process, since the obtained effects affect the quality of wooden surface after finishing (painting). The occurrence of defects is usually the reason for qualifying a workpiece as scrap or for requiring additional work. This paper presents the selected results of research of the effect of the cutting tool wear on the surface quality of elements after planing. Research experiments were conducted on the SCM Superset Class machine tool. Glulam elements of pine wood (Pinus sylvestris L.) were researched. The raw material samples (semi-finished products), 6 m long before planing, had been machined by suppliers also by planing. These workpieces were selected according to the plant requirements, e.g. their moisture content, straightness, and other defects. This paper presents the measuring results of surface roughness and some examples of surface profiles, as well as the dependence of total length of the planed elements on the type of blade material. From an economic point of view, the results showed that the use of solid carbide blades were more cost effective.

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Assessment of surface properties and solvent-borne coating performance of red oak wood produced by peripheral planing

Cited by 22 publications

References 51 publications

Resilient hemp shiv aggregates with engineered hygroscopic properties for the building industry

Resilient hemp shiv aggregates with engineered hygroscopic properties for the building industry

Evaluation of Selected Properties of Alder Wood as Functions of Sanding and Coating

Comparison of Surface Quality and Tool-Life of Glulam Window Elements after Planing

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