玻璃粉水泥基涂层材料的制备及防腐性能OACSTPCD

In order to reduce the anti-corrosion rate of steel and improve the utilization rate of waste glass,the glass powder cement-based material is used as an inorganic anti-corrosion coating for steel.Electrochemical and nuclear magnetic resonance tests are used to characterize and analyze the anti-corrosion effect of the coating on Q235 steel substrate before and after immersion in NaCl solution with 3.5％mass fraction.The results show that adding glass powder with 15％mass fraction can increase the linear polarization resistance of cement-based coating materials,reduce the self-corrosion current density of the steel substrate in NaCl solution with 3.5％mass fraction,and basically unchange the self-corrosion potential.Glass powder has the effect of refining the pore size of cement-based materials,making the pore structure more compact,thereby reducing the penetration of corrosive media.