The corrosion behaviour of amorphous metal fiber compared with stainless steel fiber
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摘要
Amorphous metal fiber has high corrosion resistance,excellent mechanical properties and is good material for reinforcing concrete matrix.The structure of amorphous metal fiber was tested by X-ray diffraction(XRD).Differential scanning calorimetry(DSC) was used to measure the thermal properties.The corrosion behaviour of amorphous metal fiber compared with stainless steel fiber was investigated by electrochemical polarization in 0.5 M H_2SO_4,0.1 M FeCl_3 and 3.5wt%NaCl solutions.The results show that amorphous metal fiber exhibits more superior corrosion resistance than that of stainless steel fiber.The amorphous metal fiber has excellent pitting corrosion resistance in 3.5 wt%NaCl solution,and the stainless steel fiber is susceptible to pitting corrosion.The amorphous metal fiber is spontaneously passivated in 0.1 M FeCl_3 solutions,and the stainless steel fiber doesn't form passivation.
Amorphous metal fiber has high corrosion resistance,excellent mechanical properties and is good material for reinforcing concrete matrix.The structure of amorphous metal fiber was tested by X-ray diffraction(XRD).Differential scanning calorimetry(DSC) was used to measure the thermal properties.The corrosion behaviour of amorphous metal fiber compared with stainless steel fiber was investigated by electrochemical polarization in 0.5 M H_2SO_4,0.1 M FeCl_3 and 3.5wt%NaCl solutions.The results show that amorphous metal fiber exhibits more superior corrosion resistance than that of stainless steel fiber.The amorphous metal fiber has excellent pitting corrosion resistance in 3.5 wt%NaCl solution,and the stainless steel fiber is susceptible to pitting corrosion.The amorphous metal fiber is spontaneously passivated in 0.1 M FeCl_3 solutions,and the stainless steel fiber doesn't form passivation.
引文

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