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Three-dimensional finite element modelling of heat transfer for linear friction welding of Scots pine
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0002-4686-4010
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0002-4526-9391
Department of Mechanical Engineering, ENSTIB-LERMAB, University of Lorraine.
2014 (English)In: Wood Material Science & Engineering, ISSN 1748-0272, E-ISSN 1748-0280, Vol. 9, no 2, p. 102-109Article in journal (Refereed) Published
Abstract [en]

Finite element numerical analyses were performed to determine three-dimensional heat flux generated by friction to wood pieces during linear friction welding. The objective was to develop a computational model to explain the thermal behaviour of welded wood material rather than experimental methods, which are usually expensive and time consuming. This model serves as a prediction tool for welding parameters, leading to optimal thermo-mechanical performance of welded joints. The energy produced by the friction welding of small wood specimens of Scots pine (Pinus sylvestris L.) was determined by thermocouples and used as input data in the model. The model is based on anisotropic elasticity and the thermal properties were modelled as isotropic. This numerical simulation gave information on the distribution of the temperature in the welding interface during the entire welding process. A good agreement between the simulation and experimental results showed the appropriateness of the model for planning welded wood manufacture and prediction of thermal behaviour of wood during other mechanically induced vibration processes. The specimens presented in this model required a heat flux of 11 kW/m2 to achieve a satisfactory welding joint

Place, publisher, year, edition, pages
2014. Vol. 9, no 2, p. 102-109
Keywords [en]
Forestry, agricultural sciences and landscape planning - Wood fibre and forest products
Keywords [sv]
Skogs- och jordbruksvetenskap samt landskapsplanering - Träfiber- och virkeslära
National Category
Other Mechanical Engineering
Research subject
Wood Technology
Identifiers
URN: urn:nbn:se:ltu:diva-10807DOI: 10.1080/17480272.2014.903297Scopus ID: 2-s2.0-84901232077Local ID: 9ab6c462-4726-4d0b-9354-697f34784bbcOAI: oai:DiVA.org:ltu-10807DiVA, id: diva2:983755
Note
Validerad; 2014; 20140415 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Vaziri, MojganBerg, SvenSandberg, Dick

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