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    The Study of the Effect of Multilayer MXene Incorporation on the Properties of Polyacrylate Composites Fabricated by Stereolithography
    (2026-01-01)
    Anurakparadorn, Kanat
    ;
    Sukpimai, Kamtorn
    This study explores the incorporation of multilayer Ti3C2Tx MXene into a polyacrylate-based photocurable resin for stereolithography (SLA). Composites with 3–10 wt% MXene were fabricated and characterized for microstructure, electrical, mechanical, and dimensional accuracy. SEM and XRD confirmed successful MXene formation with partial agglomeration. Electrical conductivity improved up to 8 wt% loading but declined at 10 wt% due to filler aggregation. Mechanical testing showed reduced strength and stiffness but increased ductility with higher MXene content. Optical microscopy revealed high printing resolution, with ~3% error at the top surfaces and ~13% at the bottom. These results demonstrate the feasibility of SLA-printed MXene composites while highlighting the need for optimized dispersion to balance performance.
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    The Response of Natural Esters when Being Under a Direct Current Electric Field for a Long Time
    (2024-01-01)
    Thungsook, Kittisak
    ;
    Manger, Rene
    ;
    Zink, Markus H.
    ;
    Kobus, Maja
    ;
    Pattanadech, Norasage
    This study examines the dielectric behavior of natural esters exposed to a DC electric field over an extended period of time. The dielectric response was investigated by using polarization and depolarization current measurements. The natural ester sample was subjected to a DC electric field of 0.1 kV/mm, 0.5 kV/mm, 1 kV/mm, 1.5 kV/mm, and 2 kV/mm, respectively. Besides, the moisture content of natural esters was also controlled using a natural method. The test results showed that after being exposed to an electric field for an extended period of time of the natural ester, different forms of charge accumulation might be found partly depending on the initial condition of the investigated natural ester.