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A Study on The Change of Insert Clamping Force Influence According to the Surface Treatment of Armor Aluminum Alloy Plate

장갑판재의 표면처리에 따른 인서트 체결력 변화 연구

  • Received : 2014.08.01
  • Accepted : 2015.05.04
  • Published : 2015.08.01

Abstract

In some cases which are unable to replace the inserts when the depot maintenance or performance improvement of armored vehicles are carried out could have a risk of declining clamping forces by re-processing chromate. The change in the clamping forces of inserts has been investigated by applying a chromate process to hold the insert on the aluminum plate of the armored vehicle in this paper. In order to identify the effect of types and surface treatment, the breaking strength has been measured by the equivalent test item to the actual conditions. These tests would contribute the establishment of the armored vehicle production process.

장갑차의 창정비나 성능개량시 인서트를 교체할 수 없는 특수한 경우에는 크로메이트처리를 재수행함에 따라 체결력이 저하될 수 있는 리스크가 있다. 본 논문에서는 장갑차의 소재로 사용되는 알루미늄 판재에 인서트를 삽입한 채로 크로메이트를 할 경우, 인서트 체결력의 변화에 대하여 연구하였다. 판재의 표면처리와 인서트의 종류에 따른 영향성을 파악하기 위해 실제조건과 동일한 시편으로 파단강도를 측정하였다. 이러한 시험을 통해 차량 동체 제작 공정 기반을 마련하였다.

Keywords

References

  1. Namgung, H., 2006, "A Study on Environmental- Friendly Chromate Treatment for Zn Electroplating," Master's Thesis, Inha University, pp. 1-7.
  2. Zhao, J., Xia, L., Sehgal, A., Lu, D., McCreery, R. L. and Frankel, G. S., 2001, "Effects of Chromate and Chromate Conversion Coatings on Corrosion of Aluminum Alloy 2024-T3," Surface and Coating Technology, Vol.140, pp. 51-57 https://doi.org/10.1016/S0257-8972(01)01003-9
  3. Maeda, S. and Yamamoto, M., 1998, "The Role of Chromate Treatment after Phosphating in Paint Adhesion," Progress in Organic Coatings, Vol.33, pp. 83-89 https://doi.org/10.1016/S0300-9440(98)00014-9
  4. Kim, S. W. and Lee, C. T., 2006, "Environment- Friendly Trivalent Chromate Treatment for Zn Electroplating," J. Korean Ind. Eng. Chem, Vol.17, pp. 433-442
  5. Korean Industrial Standards, 1988, "Aerospace Process-Chemical Conversion Coating for Aluminium Alloys-General Purpose, KS W 1120"
  6. Military Standards, 2006, "Chemical Conversion Coatings on Aluminum and Aluminum Alloys, MILDTL- 5541"
  7. Military Standards, 2006, "Chemical Conversion Materials for Coating Aluminum and Aluminum Alloys, MIL-DTL-81706"
  8. Military Standards, 1998, "Screw, Cap, Hexagon Head (Finisfed Hexagon Bolt), Steel, Grade 5, Cadmium Plated, UNF-2A, MS90726"
  9. Korean Industrial Standards, 1962, "Aluminum and Alunimum Alloy Sheets and Piates, Strips And Coined Sheets, KS D 6701"
  10. Military Standards, 2007, "Armor Plate, Aluminum Alloy, Weldable 5083, 5456, and 5059, MIL-DTL- 46027K."