https://padlet.com/fitrims1348/v83q8he6j6fkrqj3 How does corrosion occur? en-us 2022-12-02 05:23:22 UTC 2022-12-02 08:02:25 UTC hello@padlet.com https://padlet.net/icons/png/1f9d0.png fitrims1348 https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406208794 corrosion occurs in metal elements, such as iron which is included in metal elements]]> 2022-12-02 05:48:52 UTC https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406208794 fitrims1348 https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406209024 2022-12-02 05:49:13 UTC https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406209024 fitrims1348 https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406209327 2022-12-02 05:49:42 UTC https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406209327 fitrims1348 https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406239778 At low and wet temperatures corrosion occurs by electrochemical reaction mechanisms forming oxidation and reduction reactions]]> 2022-12-02 06:27:44 UTC https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406239778 fitrims1348 https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406246016 According to electrochemical theory, metal will corrode if there are cathode and anode parts on the metal surface]]> 2022-12-02 06:37:04 UTC https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406246016 fitrims1348 https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406249258 1. Anode: where an anodic reaction occurs (generates electrons and releases positive ions)
2. Cathode: (undergoes cathodic reaction and accepts electrons from the anode)
3. Water
4. Oxygen]]> 2022-12-02 06:42:32 UTC https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406249258 fitrims1348 https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406262802 When a metal part has a difference in heat/voltage/concentration, the metal can corrode]]> 2022-12-02 07:02:04 UTC https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406262802 fitrims1348 https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406263157 When a metal part is cold deformed, that region has a higher energy than the surroundings and becomes more anodic]]> 2022-12-02 07:02:34 UTC https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406263157 fitrims1348 https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406263278 When metal is embedded in water, the parts exposed to water which have a lower oxygen content will corrode]]> 2022-12-02 07:02:47 UTC https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406263278 fitrims1348 https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406263427 The difference in the concentration of oxygen in the solution causes the anode (lower oxygen content) and cathode (more oxygen content) areas to arise.]]> 2022-12-02 07:02:59 UTC https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406263427 fitrims1348 https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406263635 When metal is exposed to a homogeneous ac temperature environment, corrosion can occur in parts that are exposed to higher temperatures so that they become the anode and those that are cold become the cathode]]> 2022-12-02 07:03:15 UTC https://padlet.com/fitrims1348/v83q8he6j6fkrqj3/wish/2406263635