Publication | Closed Access
Effect of Composition and the Processing Parameters on the Electrochemical Corrosion of Iron‐Boron Metallic Glasses
27
Citations
0
References
1982
Year
Materials EngineeringMaterials ScienceChemical EngineeringCorrosion TechnologyEngineeringGlass-ceramicCorrosion ProtectionCorrosionMicrostructureStructural RelaxationProcessing ParametersElectrochemical CorrosionChemistryAmorphous MetalIron‐boron Metallic GlassesCorrosion ResistanceElectrochemistryBoron Content
The electrochemical corrosion of quenched metallic glasses was investigated by the potentiostatic polarization method. Room temperature Mòssbauer spectra were also measured to obtain information about the state of the samples. The potentiostatic measurements were used to obtain current‐voltage curves over a range −800 to +200 mV (vs. SHE) in order to study the effects of boron content, melt overheating, quenching rate, relaxation, and crystallization processes on the corrosion current. It was found that the corrosion current varied with the quenching rate and was influenced by the boron content in the range investigated. The rate of corrosion was also different at the opposite sides of the as‐quenched ribbons. The corrosion current for eutectic Fe‐B ribbons was found to increase in the course of the structural relaxation and during the crystallization to , but slightly decreased again when the equilibrium structure was reached.