Abstract
Corrosion process is a natural case that happened at the various metals, where the corrosion process in electrochemical can be explained by using galvanic cell. The iron corrosion process is based on the acidity degree (pH) of a condensation, iron concentration and condensation temperature of electrolyte. Those are applied at electrochemistry cell. The iron corrosion process at this electrochemical cell also able to generate electrical potential and electric current during the process takes place. This paper considers how to build a mathematical model of iron corrosion, electrical potential and electric current. The mathematical model further is solved using the finite element method. This iron corrosion model is built based on the iron concentration, condensation temperature, and iteration time applied. In the electric current density model, the current based on electric current that is happened at cathode and anode pole and the iteration time applied. Whereas on the potential electric model, it is based on the beginning of electric potential and the iteration time applied. The numerical results show that the part of iron metal, that is gristle caused by corrosion, is the part of metal that has function as anode and it has some influences, such as time depth difference, iron concentration and condensation temperature on the iron corrosion process and the sum of reduced mass during corrosion process. Moreover, difference influence of time and beginning electric potential has an effect on the electric potential, which emerges during corrosion process at the electrochemical cell. Whereas, at the electrical current is also influenced by difference of depth time and condensation temperature applied.Keywords: Iron Corrosion, Concentration of iron, Electrochemical Cell and Finite Element Method
Highlights
Iron is one of the most important metals that has many benefits to the human society
This paper focuses on a mathematical modeling of an electro chemistries reaction that taken place during corrosion process and the model solved using finite element method, in which it is shown geometrically as an electrochemistry cell process
Finite element method is one of approach method of numeric that bases on the problems at every part of element that is named by finite element
Summary
Iron is one of the most important metals that has many benefits to the human society. Rustiness can be described as a material ruination by action which embossing area, where resistance of a material on the rustiness depends on the numerous variables such as material properties and environmental characteristics [1]. The important aspect in a material rustiness is mass transport characteristic, that occur due to evacuation of temperature, migration and diffusion. This paper focuses on a mathematical modeling of an electro chemistries reaction that taken place during corrosion process and the model solved using finite element method, in which it is shown geometrically as an electrochemistry cell process. This paper illustrates the reduction-oxidation reaction in electrochemistry cell by using a partial differential model based on the law of physical chemistry
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