Ebisara na 2018-08-091. Onye ọ bụla oyi akwa nke zinc na aluminom na zinc aluminum mkpuchi bụ na a passive ala , mgbe galvanized oyi akwa naanị nwere passivation oyi akwa nke 0.05 ~ 0.2μm na outermost oyi akwa;
2. Ihe mkpuchi zinc na aluminom na mkpuchi zinc aluminom na-arụ ọrụ zuru oke nke nchebe anode ịchụàjà, ebe mkpuchi zinc ga-apụta ihe mkpofu nke zinc mgbe e mebisịrị oyi akwa passivation.
3. Akụkụ inorganic acid na mkpuchi na mkpuchi nwere ike ichebe matrix ígwè n'otu oge ahụ mgbe ị na-echebe zinc na aluminom , ebe zinc plating adịghị.
4. The zinc mkpuchi passivation oyi akwa na 70 ~ 100 ℃ degrees centigrade, na crystallization nke mmiri malitere evaporate, dapụtara na passivation oyi akwa cracking, emetụta corrosion iguzogide nke zinc mkpuchi, na zinc aluminum mkpuchi na 260 degrees ma ọ bụ elu okpomọkụ sintering, otú ahụ. na ihe dị otú ahụ.
Oge nzipu: Jan-13-2022