A numerical study of the shear-strength-predicting capabilities of test specimens for wood–adhesive bonds

Serrano, Erik

doi:10.1016/s0143-7496(03)00096-4

Cited by 70 publications

(31 citation statements)

References 10 publications

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“…The example of reinforced epoxy, an adhesive typically not used in the wood industry, shows that the addition of fibrous filler primarily improves the toughness of an adhesive bond [177][178][179][180][181][182][183][184]. Confirming results achieved in modelling studies [185,186], a comparative study of a broad variety of wood adhesives [187][188][189] indicated a strong correlation between the toughness of an adhesive and the ultimate shear strength of corresponding wood adhesive bonds. Urea-formaldehyde resins (UF) are a widely used class of low-priced wood adhesives, which are well known for their pronounced brittleness and their tendency to develop microcracks (Fig.…”

Section: Applications and New Advances In Cellulose Nanocompositesmentioning

confidence: 82%

Review: current international research into cellulose nanofibres and nanocomposites

et al. 2010

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This paper provides an overview of recent progress made in the area of cellulose nanofibre-based nanocomposites. An introduction into the methods used to isolate cellulose nanofibres (nanowhiskers, nanofibrils) is given, with details of their structure. Following this, the article is split into sections dealing with processing and characterisation of cellulose nanocomposites and new developments in the area, with particular emphasis on applications. The types of cellulose nanofibres covered are those extracted from plants by acid hydrolysis (nanowhiskers), mechanical treatment and those that occur naturally (tunicate nanowhiskers) or under culturing conditions (bacterial cellulose nanofibrils). Research highlighted in the article are the use of cellulose nanowhiskers for shape memory nanocomposites, analysis of the interfacial properties of cellulose nanowhisker and nanofibrilbased composites using Raman spectroscopy, switchable interfaces that mimic sea cucumbers, polymerisation from the surface of cellulose nanowhiskers by atom transfer radical polymerisation and ring opening polymerisation,

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Section: Applications and New Advances In Cellulose Nanocompositesmentioning

confidence: 82%

Review: current international research into cellulose nanofibres and nanocomposites

et al. 2010

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“…The shear area of the ASTM D-905 block shear specimens was 1923 mm 2 , which is more than 2 times greater than that in the MD specimens (900 mm 2 ). It is well known that the shear stress distribution in an adhesively bonded joint tends to be more uniform as the size of the bond area decreases (Serrano 2004); hence, apart from the high proportion of wood failure in the ASTM D-905 testing system and its negative effect on the stability of the data, variability in the results obtained by the ASTM D-905 method could be related to its larger area of bondline.…”

Section: Variability In Shear Strength Valuesmentioning

confidence: 99%

“…In this regard, adhesives have several chemical and mechanical characteristics that need to be considered, but the shear strength is one of the most important factors. In fact, the shear strength, as one of the most common interfacial stresses under service conditions (Pizzo et al 2003;Serrano 2004), is commonly used as the reference parameter to compare the bond strength of different adhesives (Vick and Okkonen 1998;Örs et al 2000;Serrano 2004;Burdurlu et al 2006;Konnerth et al 2006;Raftery et al 2009;Lu et al 2013;Bomba et al 2014;Derikvand et al 2014;Li et al 2015;Šedivka et al 2015).…”

Section: Introductionmentioning

confidence: 99%

A Modified Method for Shear Strength Measurement of Adhesive Bonds in Solid Wood

Derikvand

Pangh

2015

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An experimental method was developed in this investigation to evaluate the shear strength of adhesive bonds in solid wood materials. The new method was tested against the standard test methods described in ASTM D-905, EN 205, and EN 302-1. Specimens were constructed of Oriental Beech (Fagus orientalis L.) and bonded with three different wood adhesives. Using the proposed method in the study, unintentional errors in cutting and testing processes of the shear specimens were decreased, which led to a decrease in the variability of the results. The worst stability was observed in the data obtained when the EN 205 and ASTM D-905 standard methods were used.

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“…The most commonly used reference parameter for the bond strength of the glued wood is its shear bond strength (Serrano 2004;Burdurlu et al 2006;Konnerth et al 2006;Raftery et al 2009;Derikvand et al 2014). The bond strength is the ability of the bonded wood to hold the wood-based composite elements together, ensuring its overall strength.…”

Section: Introductionmentioning

confidence: 99%

Shear Bond Strength of Two-Layered Hardwood Strips Bonded with Polyvinyl Acetate and Polyurethane Adhesives

Gašparík¹,

Gaff²,

Ruman³

et al. 2016

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This article deals with the effects of various parameters on the shear bond strength (SBS) of glued wood. A four-factor analysis showed that the combination of only non-densified wood pieces achieves higher shear bond strength values than densified ones. In this case, only the piece combination was a significant factor. The other factors (glue type, wood species, and number of loading cycles) had no significant effect. Although the differences were not large, a higher SBS was achieved in beech wood glued with polyvinyl acetate (PVAc) glue. Glued wood consisting of the combination of densified and non-densified pieces had slightly lower SBS values. In this case, all the factors were statistically significant. Beech wood had a more significant impact on the SBS than aspen wood. The effect of the type of glue showed an opposite trend than that in the previous variant, i.e., a higher SBS was achieved with polyurethane (PUR) glue. Wood subjected to cyclic loading had slightly higher SBS values than non-cyclically loaded wood. The degree of densification had no significant effect. Glued wood composed entirely of densified pieces showed greater SBS variation between versions.

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A numerical study of the shear-strength-predicting capabilities of test specimens for wood–adhesive bonds

Cited by 70 publications

References 10 publications

Review: current international research into cellulose nanofibres and nanocomposites

Review: current international research into cellulose nanofibres and nanocomposites

A Modified Method for Shear Strength Measurement of Adhesive Bonds in Solid Wood

Shear Bond Strength of Two-Layered Hardwood Strips Bonded with Polyvinyl Acetate and Polyurethane Adhesives

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