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    XU Dao-rong, HU Xue-an, ZHANG Wei-wei, HE Qian-jin. Hot Corrosion Behavior of Fe3Al Overlay at High Temperatures[J]. Materials and Mechanical Engineering, 2006, 30(6): 20-22.
    Citation: XU Dao-rong, HU Xue-an, ZHANG Wei-wei, HE Qian-jin. Hot Corrosion Behavior of Fe3Al Overlay at High Temperatures[J]. Materials and Mechanical Engineering, 2006, 30(6): 20-22.
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    Hot Corrosion Behavior of Fe3Al Overlay at High Temperatures

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    • Overlaying welding was conducted on austenitic stainless steel A304 using gas arc tungsten welding process with Fe3Al as welding wire.NaCl-induced and Na2SO4-induced hot corrosion tests were conducted respectively at the temperatures of 750 ℃ and 950 ℃,Fe3Al overlay with some α-Fe solid solution could be acquired.NaCl-induced hot corrosion of Fe3Al overlay was much more severe than Na2SO4-induced corrosion.Fusion zone was most vulnerable place in both hot corrosion situation.
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