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Tool wear for lesser known tropical wood species
Swedish University of Agricultural Sciences.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.
Luleå University of Technology, Department of Engineering Sciences and Mathematics.ORCID iD: 0000-0002-0145-080X
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2011 (English)In: Wood Material Science & Engineering, ISSN 1748-0272, E-ISSN 1748-0280, Vol. 6, no 3, p. 155-161Article in journal (Refereed) Published
Abstract [en]

This study investigated the relationship between tool wear and some chemical and physical properties for four different Mozambican lesser known tropical species,: Pseudolachnostylis maprounaefolia (ntholo), Sterculia appendiculata (metil), Acacia nigrescens (namuno) and Pericopsis angolensis (muanga). Tool wear is an important aspect for sawmilling and for the woodworking industry. For Mozambique, the utilization of available lesser known wood species will help to increase domestic industry and the economic usage viability of sustainable forest management. A set of experiments was performed on a shaper with a mechanical feed mechanism. Tools of a cemented carbide grade for woodworking were used, and the cutting parameters were fixed. Edge recession and tool wear radius were measured for monitoring tool wear. The wear mechanism was investigated using a scanning electron microscope. The experimental results showed that the chemical properties of the wood species have a great effect on tool wear. Wood silica content was the most important factor affecting tool wear. Wood density and extractives had a low influence on tool wear. The highest tool wear was observed in ntholo, which also had the highest ash and silica contents. A single parameter for evaluation of tool wear was not sufficient to describe the amount of total tool wear

Place, publisher, year, edition, pages
2011. Vol. 6, no 3, p. 155-161
Keywords [en]
Materials science - Other processing/assembly
Keywords [sv]
tool wear, tropical species, cemented carbide, wear mechanism, silica, Teknisk materialvetenskap - Övrig bearbetning/sammanfogning
National Category
Other Mechanical Engineering
Research subject
Wood Technology
Identifiers
URN: urn:nbn:se:ltu:diva-6231DOI: 10.1080/17480272.2011.566355Scopus ID: 2-s2.0-80052252912Local ID: 46e51524-4cfd-4c82-9965-b042c6d3421eOAI: oai:DiVA.org:ltu-6231DiVA, id: diva2:979108
Note
Validerad; 2011; 20110325 (matse)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Cristovao, LuisGrönlund, AndersEkevad, Mats

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