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Annealing effect on microstructure, hardness and electrochemical corrosion behavior of copper- manganese alloy

Author

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  • Abu Bakr El-Bediwi
  • S. Bader
  • Zuhor Farag

Abstract

The Cu98Ge2 alloy was annealed at 500 °C, 600 °C and 700 °C for 2 hours and characterized by x-ray diffractmeter, scanning electron microscope, digital Vickers micro-hardness tester and Gamry Potentiostat/Galvanostat with a Gamry framework system based on ESA 300. X-ray and scanning electron microscope analysis show a significant change on microstructural of Cu98Mn2 alloy after annealing at different temperature for 2 hours. Lattice microstrain of Cu98Mn2 alloy varied after annealed at different temperature for two hours. Vickers hardness and corrosion rate values of Cu98Mn2 alloy increased after annealing at different temperature for 2 hours. Corrosion current of Cu98Mn2 alloy decreased after annealing at 500 °C and 600 °C but it increased at 700 °C for 2 hours. The best annealing temperature for Cu98Mn2 alloy is 500 °C for 2 hours.

Suggested Citation

  • Abu Bakr El-Bediwi & S. Bader & Zuhor Farag, 2016. "Annealing effect on microstructure, hardness and electrochemical corrosion behavior of copper- manganese alloy," International Journal of Scientific Research in Science, Engineering and Technology, International Journal of Scientific Research in Science, Engineering and Technology, vol. 2(2), pages 1221-1226, December.
    • Handle: RePEc:ijs:ijsrse:v2:y2016:i2:id:hijsrset1622385
    Note: Article URL: https://ijsrset.com/IJSRSET1622385
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