Journal of the Korean Society of Industry Convergence (한국산업융합학회 논문집)

The Korean Society of Industry Convergence (한국산업융합학회)
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Evaluation on Mechanical Properties of PC and ABS Plastic Materials by Repetitive Impact

PC와 ABS 플라스틱재료의 반복적인 충격하중에 의한 기계적 특성 평가

  • Lee, Jin-Kyung (Division of Mechanical, Automotive, Robot Component Engineering, Dongeui University)
  • 이진경 (동의대학교 기계자동차로봇부품공학부)
  • Received : 2020.03.23
  • Accepted : 2020.05.11
  • Published : 2020.06.30
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Abstract

In this study, we tried to evaluate the mechanical properties of Polycarbonate(PC) and acrylonitrile-butadiene-styrene(ABS) plastic materials, which are frequently used as parts of home appliances and machinery, when repeated impacts were applied. A repeating impact tester for this research was designed and manufactured to apply repetitive impacts. Two types of plastic were repeatedly impacted under a constant load, and a tensile test was performed on the plastic material that was impacted. The tensile strength of PC plastic materials that received impact more than 2000 times was reduced by about 45 % and elongation was reduced by about 10 % when compared to impact free specimens. On the other hand, in ABS plastic, a reduction of tensile strength of about 20 % was observed at about 2,000 impacted specimen, but at about 20,000 repetitive impacted specimen, a tensile strength decrease of about 65 % was observed. And the elongation was reduced by 10 % due to the cyclic harding behavior of the material.

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References

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