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Hot incremental forming of biocomposites developed from linen fibres and a thermoplastic matrix
Torres, Sandino (Author), Ortega, Roberto (Author), Acosta, Pablo (Author), Calderón, Edisson (Author)

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Abstract
The use of biodegradable materials has a growing field of application due to environmental concerns, however, scientific research on incremental forming using biomaterials is scarce. Thus, this study focuses on the single point incremental forming (SPIF) process applied to a composite sheet that combines a biodegradable thermoplastic matrix (Solanyl) reinforced with natural fibres (flax). The influence of the process parameters on the final geometry is determined, evaluating the effect of the following factors: step depth, wall angle and temperature reached during the process. Additionally, a heated aqueous medium is incorporated which facilitates the formability of the composite sheets. This method is especially useful for materials that have poor formability at room temperature. The benefits of using controlled heat include the reduction of formation forces applied to the plate, improved accuracy due to the reduction of elastic recovery, and the manipulation of the samples remarkably close to the glass transition temperatures. Through this experimental study with the variables analysed, a maximum shaping depth of 310 mm is obtained. These results confirm that the single point shaping used with bioplastic materials is possible and has positive outcomes for incremental forming.

Language:English
Keywords:incremental forming, bio-composites, hot formability, analysis of variance, deformation
Work type:Article (dk_c)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Year:2021
Number of pages:Str.123-132
Numbering:Vol. 67, no. 3
UDC:621.7.01:539.37
ISSN on article:0039-2480
DOI:10.5545/sv-jme.2020.6936 This link opens in a new window
COBISS.SI-ID:69395203 This link opens in a new window
Views:140
Downloads:26
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Record is a part of a journal

Title:Strojniški vestnik
Shortened title:Stroj. vestn.
Publisher:Zveza strojnih inženirjev in tehnikov Slovenije [etc.], = Association of Mechanical Engineers and Technicians of Slovenia [etc.]
ISSN:0039-2480
COBISS.SI-ID:762116 This link opens in a new window

Document is financed by a project

Funder:Drugi - Drug financer ali več financerjev
Funding Programme:Secretaría de Educación Superior, Ciencia, Tecnología e Innovación
Name:Combined process of incremental forming and injection molding in sheets of biodegradable thermoplastic material

Funder:Drugi - Drug financer ali več financerjev
Funding Programme:Instituto Tecnológico Superior Central Técnico
Name:Combined process of incremental forming and injection molding in sheets of biodegradable thermoplastic material

Funder:Drugi - Drug financer ali več financerjev
Funding Programme:Escuela Politécnica Nacional
Name:Combined process of incremental forming and injection molding in sheets of biodegradable thermoplastic material

Secondary language

Language:Slovenian
Title:Vroče inkrementalno preoblikovanje biokompozitov iz lanenih vlaken in termoplastične matrice
Keywords:inkrementalo preoblikovanje, biokompoziti, vroče preoblikovanje, analiza variance, deformacija

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