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재료 압출 방식 3D 프린팅에서 비대칭 적층 경로의 적층을 통한 인장 강도 향상
출처
한국고분자학회
발행일
2021-07-25
분야분류
IT소재부품, 해외동향, IT부품정보, IT부품정보 네트워크,
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The deposition strength of material extrusion type 3D printed article is greatly influenced by the tool path. In this study, a 3D printed tensile specimen was fabricated with an asymmetric tool path and its tensile properties were analyzed. As a result of the experiment, specimen with asymmetric tool path based on 15° reference tool path showed higher tensile strength than that of the 0° reference tool path. In addition, specimen with asymmetric tool path based on 45° reference tool path showed the lowest tensile strength. After the tensile test, the fractured specimen was observed to determine the relationship between the tool path and tensile strength. In 3D printing, it was confirmed that higher tensile strength than the bulk tensile strength of the material can be obtained through the control of the asymmetric tool path.