Effect of Phosphorus on Microstructure and Mechanical Properties of IN718 Alloy after Hot Corrosion and Oxidation

@inproceedings{Hu2010EffectOP,
  title={Effect of Phosphorus on Microstructure and Mechanical Properties of IN718 Alloy after Hot Corrosion and Oxidation},
  author={Zhun Qing Hu and Xiao Ming Lou and W. R. Sun and Li Xue Yu and Song Lin Yang and Wei Hua Zhang},
  year={2010}
}
In this paper, the IN718 alloys added with various phosphorus concentration underwent hot corrosion in the mixed salts of 75%Na2SO4 and 25%NaCl at 650 °C and oxidation in air at 650 °C, and then the microstructure and properties of the alloys were characterized. No difference was found of the tensile properties of IN718 alloy after soaking at 100 h in air and in mixed salt. However, phosphorus exhibits an effect to inhibit the ingression of sulfur along the grain boundaries. The thermal… CONTINUE READING

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