Journal of the Korean Society of Clothing and Textiles (한국의류학회지)

The Korean Society of Clothing and Textiles (한국의류학회)
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Evaluation of Physical Properties of Material Combination for Fabricating Protection Pads for Women's Army Combat Uniforms

여군 전투복 내 관절 부위 보호 패드 개발을 위한 설계 변인 조합에 따른 물성 평가

  • Okkyung Lee (Research Institute of Human Ecology, Chungnam National University) ;
  • Heeran Lee (Dept. of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Soyoung Kim (Advanced Material Research Center, Kumoh National Institute of Technology) ;
  • Yejin Lee (Dept. of Clothing and Textiles, Chungnam National University)
  • 이옥경 (충남대학교 생활과학연구소) ;
  • 이희란 (금오공과대학교 소재디자인공학과) ;
  • 김소영 (금오공과대학교 신소재연구소) ;
  • 이예진 (충남대학교 의류학과)
  • Received : 2022.10.18
  • Accepted : 2023.01.17
  • Published : 2023.04.30
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Abstract

In this study, the properties of various material combinations were evaluated and an ideal material for fabricating protection pads for women's army combat uniforms was determined. Eight specimens were used for the evaluation: two types of materials, namely thermoplastic polyurethane for 3D printing, T and ethylene-vinyl acetate, E; two infill densities, namely 10%, 10 and 30%, 30; two types of pad designs, i.e., without holes, A and with holes, B; 2×2×2=8 and control E. The tensile strength, flexural strength, impact absorption, and weight of these specimens were evaluated. Results revealed that E was the most flexible material; however, its tensile strength and impact absorption were very low. Protection pads made from T (T-10A, T-10B, T-30A, and T-30B) had excellent tensile strength and impact absorption; however, they had low performance in ease of movement. Alternatively, protection pad with holes and an infill density of 30% produced using a combination of T and E had a high initial tensile modulus and exhibited excellent impact absorption. Moreover, it was flexible and light, which satisfies the standards and conditions required by protection pads. However, if T-E-10A and T-E-30B exhibited low impact absorption, as required, they can be regarded as appropriate materials for protection pads.

Keywords

Acknowledgement

본 연구는 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행됨(No. NRF-2022R1C1C2011204).

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