造成網絡機櫃腐蝕的原因有哪些

網絡機櫃作為機房重要的組成設備，必然要確保在任何條件下都不能被腐蝕。那麼，造成網絡機櫃腐蝕的原因有哪些呢?

1. 表面污染：油污、灰塵以及酸鹼鹽等在一定條件會轉為腐蝕介質，與機櫃的金屬發生化學反應，繼而發生化學腐蝕

2. 清洗：清潔劑的殘液會與機櫃金屬發生化學腐蝕的生成物與金屬形成電化學腐蝕

3. 表面劃傷：各種劃傷會對機櫃金屬的保護能力降低，容易與化學介質發生反應

4. 碳鋼污染：與碳鋼件接觸造成劃傷與腐蝕介質形成原電池，產生電化學腐蝕

5. 切割和焊接：割渣、飛濺等易生鏽物質的附着，以及焊接區域的物理缺陷和化學缺陷等腐蝕介質形成原電池而產生電化學腐。

6. 烤校或鈍化：火焰加熱和酸洗都會導致金屬表面不均與，與腐蝕介質形成原電池後，發生電化學腐蝕。

7. 材質：金屬材質的化學缺陷和表面物理缺陷，易與腐蝕介質形成原電池後，發生電化學腐蝕。

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What are the causes of corrosion in the network cabinet?

1. Surface contamination: oil, dust, acid and alkali salts will turn into corrosive media under certain conditions, chemical reaction with the metal of the cabinet, followed by chemical corrosion

2. Cleaning: The residual liquid of the cleaning agent will form an electrochemical corrosion with the metal and metal generated by the cabinet metal.

3. Surface scratching: all kinds of scratches will reduce the protection ability of the metal of the cabinet and easily react with chemical media.

4. Carbon steel pollution: contact with carbon steel parts causes scratches and corrosive media to form galvanic cells, resulting in electrochemical corrosion

5. Cutting and welding: The adhesion of rust-prone substances such as slag and splash, as well as the corrosive medium such as physical defects and chemical defects in the welding area, form the primary battery and cause electrochemical corrosion.

6. Bake or passivation: Flame heating and pickling will result in uneven metal surface and electrochemical corrosion after forming a galvanic cell with corrosive media.

7. Material: Chemical defects and surface physical defects of metal materials, which are susceptible to electrochemical corrosion after forming a primary battery with corrosive media.

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