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Zasnova 3D tiskanih struktur z oblikovnim spominom iz PLA materiala
ID Štrukelj, Martin (Author), ID Klemenc, Jernej (Mentor) More about this mentor... This link opens in a new window

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Abstract
V diplomskem delu je predstavljen razvoj strukture z oblikovnim spominom v obliki satovja z namenom balistične zaščite. Glavni cilj je izoblikovati strukturo, ki se bo po obremenitvi, kot je udarna obremenitev ali tlačno testiranje, deformirala in nato zaradi spremembe temperature povrnila v prvotno stanje ter ponovno služila svoji uporabi. V teoretičnem delu so opisani značilna oblika satovja, lastnosti materiala PLA in mehanske lastnosti glede na smer dodajanja materiala pri izdelavi strukture ter vrste obremenitve, s katerimi smo preizkušali naše vzorce. V praktičnem delu so opisani postopek razvoja strukture od začetne skice do končnega modela, izdelava vzorcev z aditivno tehnologijo, simulacije v programskem okolju Abaqus ter na koncu še realni preizkusi in analiza rezultatov, kjer smo opazovali, kako se struktura dejansko obnaša med obremenitvijo in koliko se ta povrne v prvotno stanje.

Language:Slovenian
Keywords:celična struktura, numerične simulacije, kompozit, balistična zaščita, pnevmatski top
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Year:2025
Number of pages:XX, 45 str.
PID:20.500.12556/RUL-171622 This link opens in a new window
UDC:620.172.254:678:004.925.84(043.2)
COBISS.SI-ID:247244035 This link opens in a new window
Publication date in RUL:29.08.2025
Views:473
Downloads:133
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Secondary language

Language:English
Title:Design of 3D printed shape memory structures made of PLA material
Abstract:
The thesis presents the development of a shape-memory structure in honeycomb form for ballistic protection purposes. The main objective was to design a structure that undergoes deformation under load, such as impact or compression testing, and returns to its original shape due to temperature-induced recovery, thus allowing it to be reused. The theoretical part of the thesis describes the typical honeycomb shape and the properties of PLA material. The mechanical properties depend on the element’s printing orientation and the types of loads applied during sample testing. The practical part outlines the complete development process of the structure, from the initial sketch to the final model, including additive manufacturing of the samples, simulations in the Abaqus software, and finally, real-life testing and analysis. The results reveal how the structure behaves under compressive loading and the extent to which it recovers its original shape.

Keywords:cellular structure, numerical simulations, composite, ballistic protection, pneumatic cannon

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