A method for simulating surface pitting corrosion of materials in flowing seawater

The invention belongs to the field of material corrosion research, in particular to a method for simulating surface pitting corrosion of materials in flowing seawater, which comprises the steps of: dispersing the material into ordered cell units in a cellular automata system, parameterizing the phys...

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Bibliographische Detailangaben
Hauptverfasser: ZHENG HANTIAN, XU PING, XU YANGYANG, WANG QIN, ZHANG WEINING, MU QUANXU, ZHENG XIAOYU, LI PENGFEI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention belongs to the field of material corrosion research, in particular to a method for simulating surface pitting corrosion of materials in flowing seawater, which comprises the steps of: dispersing the material into ordered cell units in a cellular automata system, parameterizing the physico-chemical process in the etching pit growth process according to reaction rules; representing a material structure and the composition of the pitting environment in the whole pitting system by different cell unit state functions, and simulating the random distribution of pitting pit initiation points on the surface of the material by MATLAB; carrying out corrosion transformation in the vicinity of the pitting pit starting point according to the cell unit conversion rule; obtaining the pittingamount of all cell units, and obtaining the pitting morphology of the surface of the material changes with the simulation time. The simulation method has a good simulation effect on diffusion and corrosion process of physica