Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Fractographic Studies in Ballistically Damaged Polycrystalline Alumina

탄도충격으로 파괴된 다결정 Alumina의 파면조직

  • 김종희 (한국과학원 재료공학과)
  • Published : 1978.03.01
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Abstract

탄도충격에 의하여 파괴된 단결정 alumina의 파면조직을 광학 및 투과 전자현미경으로 연구 분석하였다. 파면의 주된 파괴 양상은 결정 입개면의 분리 또는 결정입내 파괴로 구성되어 있고 이러한 파괴과정은 복잡한 cleavage 양상과 결정입자 내에서의 소성변형을 수반하고 있다. 미세조직 관찰 결과에 의하면 alumina ceramics의 충격 파괴과정에서 에너지의 흡수가 국부적인 소성변형으로 나타나고 있음을 알 수 있었다.

Keywords

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