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논문 기본 정보

자료유형
학술저널
저자정보
Woo, In Young (Department of Mechanical System Design Engineering, Seoul National University of Science and Technology) Kim, Do Yeon (Department of Mechanical System Design Engineering, Seoul National University of Science and Technology) Kang, Hong Pil (Department of Mechanical System Design Engineering, Seoul National University of Science and Technology) Lyu, Min-Young (Department of Mechanical System Design Engineering, Seoul National University of Science and Technology)
저널정보
한국고무학회 Elastomers and composites 엘라스토머 및 콤포지트 제55권 제1호
발행연도
2020.1
수록면
46 - 50 (5page)

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Material extrusion (ME)-type 3D printing is the most popular among the 3D printing processes. In this study, the cross-section morphologies of ME-type 3D printing manufactured specimens were observed with respect to the thermal properties of the material. The cross-section morphology of a specimen is related to the deposition strength, and the outside profile of the cross-section is related to the surface roughness. The filaments used in this study, with different thermal conductivities, were the acrylonitrile-butadiene-styrene (ABS), the high impact polystyrene (HIPS), the glycol-modified polyethylene terephthalate (PETG), and the polylactic acid (PLA). The cross-sections and the surfaces of the 3D manufactured specimens were examined. In ME-type 3D printing, the filaments are extruded through a nozzle and they form a layer. These layers rapidly solidify and as a result, they become a product. The thermal conductivity of the material influences the cooling and solidification of the layers, and subsequently the cross-section morphology and the surface roughness.

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