Journal of Ocean Engineering and Technology (한국해양공학회지)

Korean Society of Ocean Engineers (한국해양공학회)
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Evaluating the Mechanical Properties of Fiber Yarns for Developing Synthetic Fiber Chains

  • Kim, Kyeongsoo (Special Ships Advanced Technology Center, Research Institute of Medium & Small Shipbuilding) ;
  • Kim, Taewan (Department of Mechanical Engineering, Pukyong National University) ;
  • Kim, Namhun (Special Ships Advanced Technology Center, Research Institute of Medium & Small Shipbuilding) ;
  • Kim, Dokyoun (Technical Research Center, DSR. Corp.) ;
  • Kang, Yongjun (Technical Research Center, DSR. Corp.) ;
  • Kim, Seonjin (Department of Mechanical Engineering, Pukyong National University)
  • Received : 2021.10.05
  • Accepted : 2021.11.15
  • Published : 2021.12.31
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Abstract

In this study, three types of synthetic fiber materials were evaluated, namely, DM20, SK78, and T147, to replace steel chains in shipbuilding and offshore fields with fiber chains as there is increasing demand for chains with lighter weights and improved usabilities. The strength and quasi-static stiffness were analyzed to select suitable yarns for the fiber chains. The durability of the yarn was evaluated by performing a 3-T (time to rupture) test as a specific tension level. The results of the experiment revealed excellent dynamic stiffness in DM20 and highest values of the windward and leeward stiffness in T147. 3-T linear design characteristic curves for a specific tension level were derived for the three types of fiber materials. The findings of this study can provide insights for improving strength and durability in fiber chain design.

Keywords

Acknowledgement

This research was supported by the Ministry of Trade, Industry & Energy (MOTIE) of Korea (S2641260).

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