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是什么原因導致鈑金機箱外殼腐蝕的?

發(fā)布日期:2019-11-19 14:45:31 作者:admin 點(diǎn)擊:1393


鈑金機箱外殼使用長(cháng)了會(huì )出現銹蝕的問(wèn)題是由于外在環(huán)境引起的,而我們在鈑金機箱外殼表面要經(jīng)過(guò)處理,這樣就不會(huì )出現腐蝕的現象。那是什么原因導致的機箱機柜腐蝕所存在的問(wèn)題?

表面污染:附著(zhù)在非標鈑金機箱外殼工件表面的油污、灰塵及酸、堿、鹽等在一定條件轉化為腐蝕介質(zhì),與不銹鋼件中的某些成分發(fā)生化學(xué)反應,產(chǎn)生化學(xué)腐蝕而生銹。

表面劃傷:各種劃傷對非標鈑金機箱外殼鈍化膜的破壞,使不銹鋼保護能力降低,易與化學(xué)介質(zhì)發(fā)生反應,產(chǎn)生化學(xué)腐蝕而生銹。

清洗問(wèn)題:非標鈑金機箱外殼酸洗鈍化后清洗不干凈造成殘液存留,直接腐蝕不銹鋼件(化學(xué)腐蝕)。


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