Under-Deposit Corrosion
Application ID: 67821
In this model, the effect of corrosion product on galvanic corrosion between a magnesium alloy (AE44) and mild steel in contact with brine solution is presented, wherein deformed boundaries due to both deposition of corrosion product as well as dissolution of magnesium are considered.
The transport of Mg2+ ions generated at the magnesium surface and OH- ions generated at the mild steel surface and their precipitation reaction forming magnesium hydroxide corrosion product are modeled here using Transport of Diluted Species interface. The tracking of magnesium hydroxide corrosion product (Mg(OH)2) is modeled using the Level Set interface under Mathematics branch.
This model example illustrates applications of this type that would nominally be built using the following products:
however, additional products may be required to completely define and model it. Furthermore, this example may also be defined and modeled using components from the following product combinations:
- COMSOL Multiphysics® and
- either the バッテリデザインモジュール, 腐食解析モジュール, or 電気めっきモジュール and
- either the CFDモジュール, 腐食解析モジュール, 電気めっきモジュール, マイクロフルイディクスモジュール, ポリマー流れモジュール, or 多孔質媒体流れモジュール
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