Journal of Guangdong University of Technology ›› 2009, Vol. 26 ›› Issue (4): 42-44.

• Comprehensive Studies • Previous Articles     Next Articles

Research on the High Temperature Corrosion of the Heat Exchange Tube of Thermal Storage

  

  1. Faculty of Materials and Energy,Guangdong University of Technology,Guangzhou 510090,China
  • Online:2009-12-01 Published:2009-12-01

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Abstract: Al-12.07%Si eutectic alloy has strong corrosive effect at high temperatures.310S stainless steel and 20G steel heat-exchange tubes are coated by graphite to isolate Al-Si alloy.Graphite with good corrosion-resistant effect will protect the heat-exchange tubes from corrosion by molten Al-Si alloy.

Key words: Al-Si alloy； corrosion； 310S stainless steel； 20G boiler steel； graphite-coat；

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