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A Study on the Susceptibility of PLA Biocomposites to Drilling

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cris.virtual.author-orcid0000-0002-9731-6081
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dc.abstract.enWood–plastic composites (WPCs) increase the range of applications of materials by creating new material solutions. As part of this research, PLA (polylactic acid)- and HDPE (high-density polyethylene)-based composites were manufactured. Softwood sawdust or conifer bark with different sizes (large and small) were used as filler. In selected cases, the addition of 3% additives, such as calcium oxide in the case of PLA or polyethylene-graft-maleic anhydride in the case of HDPE, were tested. The manufactured composites were examined for their density profile and their susceptibility to drilling, defined by the value of the axial force occurring during drilling. The obtained results revealed that the type of matrix had the greatest influence on the axial forces during drilling. Regardless of the composite formulation, composites based on PLA had 25% to 56% higher axial forces during drilling than those based on HDPE. Furthermore, increasing the proportion of lignocellulosic fillers resulted in a decrease in the value of axial forces during drilling, with PLA composites experiencing a greater decrease than HDPE composites. The type and size of the filler had a minor impact on the axial force values during drilling. The statistical analysis indicated that the additives had a greater influence on HDPE than on PLA.
dc.affiliationWydział Leśny i Technologii Drewna
dc.affiliation.instituteKatedra Mechanicznej Technologii Drewna
dc.contributor.authorBorysiuk, Piotr
dc.contributor.authorAuriga, Radosław
dc.contributor.authorWilkowski, Jacek
dc.contributor.authorAuriga, Alicja
dc.contributor.authorTrociński, Adrian
dc.contributor.authorSeng Hua, Lee
dc.date.access2026-02-16
dc.date.accessioned2026-03-03T08:50:51Z
dc.date.available2026-03-03T08:50:51Z
dc.date.copyright2022-11-18
dc.date.issued2022
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if2,9
dc.description.number11
dc.description.points100
dc.description.versionfinal_published
dc.description.volume13
dc.identifier.doi10.3390/f13111950
dc.identifier.issn1999-4907
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/7581
dc.identifier.weblinkhttps://www.mdpi.com/1999-4907/13/11/1950
dc.languageen
dc.relation.ispartofForests
dc.relation.pagesart. 1950
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.enPLA
dc.subject.enHDPE
dc.subject.enlignocellulosic filler
dc.subject.enbiocomposites
dc.subject.endrilling
dc.subject.enmachinability
dc.subject.endensity
dc.titleA Study on the Susceptibility of PLA Biocomposites to Drilling
dc.title.volumeSpecial Issue Advanced Technologies in Physical and Mechanical Wood Modification
dc.typeJournalArticle
dspace.entity.typePublication