• Title/Summary/Keyword: Explision welding

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A Study on the Shape and Microstructural Change of Explosion-Welding Al/Steel Interface with Explosive Thickness (폭약살포 높이에 따른 Al/steel 폭발 접합계면의 형상 및 조직 변화에 관한 연구)

  • 김희진;강봉용
    • Journal of Welding and Joining
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    • v.14 no.4
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    • pp.62-70
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    • 1996
  • Al or Al-alloy have been known to be able to be claded on various materials by using explosive welding process, however, the intermetallic layer frequently formed along the interface have made this process very complicated. In this study, it was focussed to select the process variables, which can get rid of interfacial layer in the Al-claded steel plate. As a result, it was demonstrated that there was a certain range of explosive thickness which did not form the intermetallic phase as well as the non-bonded area. On the other hand, ultasonic tests performed for identifying the presence of interfacial layer nondestructively showed that it could be applied for the intended purpose but its result was weakly related with the microstructural quality of interface.

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