자동차 안전벨트용 웨빙의 신뢰성에 관한 연구(I) -신뢰성 평가를 위한 스트레스 분석-

A Study on the Reliability of Seatbelt Webbing(I)-Effects of Environmental Stresses on Lifetime of Seatbelt Webbing-

  • 김유겸 (한국원사직물시험연구원 신뢰성평가센터) ;
  • 김갑진 (경희대학교 환경응용화학부 고분자 및 섬유재료공학전공) ;
  • 구현진 (한국원사직물시험연구원 신뢰성평가센터) ;
  • 김동환 (한국원사직물시험연구원 신뢰성평가센터)
  • 발행 : 2003.04.01

초록

We developed a complex acceleration tester in order to identify the major stresses affecting the reliability of webbings. The major failure mode was defined as reduction in tensile strength. The accelerated test was performed for three different webbings with severer temperatures and UV irradiances than the real environmental conditions in order to confirm the effects of stress factors and save the testing time. The temperature, UV irradiance, and abrasion time were found to be the significant stresses affecting the failure of webbings. Results from the experiments using the acceleration tester may be used to establish the conditions for a practical small-scale laboratory accelerated test which could evaluate the reliability of webbings.

키워드

참고문헌

  1. Korean Standard, KS R 4027 Seat Belt
  2. Korean Standard, RS K 0005 Seat Belt Webbing for Automobile
  3. Polym. Degrad. Stab. v.56 Photo-oxidation of Poly(butylene naphthalate) J. Scheirs;J. Gardette
  4. Weathering Testing Guidebook - Material Testing Solutions Atlas Co.
  5. Principles and Procedures of Statistics(2nd Ed.) R. G. D. Steel;J. H. Torrie
  6. Polym. Degrad. Stab. v.75 The Effect of Ultraviolet Stabilizers on the Photodegradation of Poly(ethylene terephthalate) G. J. M. Fechine;M. S. Rabello;R. M. Souto-Maior