Lalacewar Filiform yana bayyana galibi akan aluminum

Filiform lalata wani nau'in lalata ne na musamman wanda ke bayyana galibi akan aluminum. Lamarin ya yi kama da tsutsa mai rarrafe a ƙarƙashin rufin, koyaushe yana farawa daga gefen yanke ko lalacewa a cikin Layer.

Lalacewar Filiform yana tasowa cikin sauƙi lokacin da abin da aka lulluɓe ya fallasa ga gishiri a hade tare da yanayin zafi 30/40 ° C da ƙarancin dangi 60-90%. Don haka wannan matsala ta iyakance ga yankunan bakin teku kuma an haɗa shi tare da haɗin haɗin gwiwar aluminum gami da riga-kafi.

Don rage lalata filiform ana shawarce ta don tabbatar da ingantaccen etching na alkaline wanda zai biyo bayan wankan acid kafin murfin juyawa na chrome. An ba da shawarar kawar da saman aluminum na 2g/m2 (mafi ƙarancin 1.5g/m2).

Anodizing azaman riga-kafi don aluminum fasaha ce ta musamman da aka haɓaka don hana lalata filiform. Ana buƙatar tsari na anodization na musamman lokacin da kauri da porosity na Layer anodization yana da mahimmancin mahimmanci.