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  • Hot incremental forming of biocomposites developed from linen fibres and a thermoplastic matrix
    Torres, Sandino ...
    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.
    Source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 67, no. 3, Mar. 2021, str.123-132)
    Type of material - article, component part
    Publish date - 2021
    Language - english
    COBISS.SI-ID - 69395203

    Link(s):

    https://www.sv-jme.eu/sl/article/hot-incremental-forming-of-biocomposites-developed-from-flax-fibre-and-a-thermoplastic-matrix/
    Repository of the University of Ljubljana – RUL
    Digitalna knjižnica Slovenije - dLib.si
    DOI

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