한국신뢰성학회지:신뢰성응용연구 (Journal of Applied Reliability)

  • 제18권1호
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  • Pages.56-65
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  • 2018
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  • 1738-9895(pISSN)
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  • 2733-8320(eISSN)
한국신뢰성학회 (The Korean Reliability Society)
권호 표지

저장탄약신뢰성평가 데이터를 이용한 기계식시한신관 KM577A1 저장수명 추정 연구

A Study on the Estimation of Shelf Life for Fuze MTSQ KM577A1 from ASRP Data

  • 투고 : 2017.08.18
  • 심사 : 2018.03.14
  • 발행 : 2018.03.25
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초록

Purpose: The purpose of this study is to estimate shelf life of fuze MTSQ (Mechanical Time & Super Quick) KM577A1 from Ammunition Stockpile Reliability Program (ASRP) data. Methods: For many years, ammunition test data had been gathered from ASRP. In this study, lot selection criteria and reliability score of functioning time for fuze are proposed. Reliability score of functioning time and failure data are used to estimate shelf life. Results: The results of this study are as follows; The failure modes of fuze MTSQ KM577A1 are dud, inverse function and mechanical time functioning failure (not operating in intended time). Dud and inverse function are major failure modes. Fuze MTSQ KM577A1's shelf life ($B_5$) is estimated 18.2 years conservatively. Conclusion: Degradation of chemical components in fuze MTSQ KM577A1 is major factor for its reliability. And shelf life ($B_5$) of fuze MTSQ KM577A1 is estimated 18.2 years conservatively.

키워드

참고문헌

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