Journal of Fashion Business (패션비즈니스)

The Korean Society of Fashion Business (한국패션비즈니스학회)
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A Study on the Mechanical Properties of Knit Fabric Using 3D Printing -Focused on PLA, TPU Filament-

3D프린팅을 이용한 편성물의 역학적 특성 연구 -PLA, TPU 필라멘트를 중심으로-

  • Han, Yoojung (Dept. of Fashion Industry, Ewha Womans University) ;
  • Kim, Jongjun (Dept. of Fashion Industry, Ewha Womans University)
  • 한유정 (이화여자대학교 의류산업학과) ;
  • 김종준 (이화여자대학교 의류산업학과)
  • Received : 2018.06.04
  • Accepted : 2018.09.16
  • Published : 2018.09.30
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Abstract

Using FDM 3D printing, yarn shape and composition were modeled and 3D printed with PLA and TPU filaments currently used for apparel. Based on this, mechanical characteristics were measured to determine 3D printing yarn according to type of filaments in the 3D printed output and deformation and recovery characteristics due to differences in structure type. As a result of examining tensile and shear characteristics of PLA and TPU 3D printing compiles, TPU overall was measured with significantly lower stress than PLA. This is due to high elasticity of TPU's character, revealing that it has better flexibility than PLA. In addition, during deformation due to external forces, the more freedom between the head and foot parts of the loop, and the lower the force associated with each other, the more flexible it is. TPU revealed that it was easier to tension and recovery from tensile deformation than PLA, indicating potential for clothing materials using 3D printing. If high-molecular materials, such as PLA flexibility, it is likely to provide some flexibility through development of styles, including degree of freedom in modeling. Based on this, we provide basic data for developing 3D printing textures that can be satisfied with textile for apparel.

Keywords

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