Ihe bara uru nke na-ekpo ọkụ itinye galvanizing nke galvanized mpempe akwụkwọ dabere na corrosion eguzogide nke na-ekpo ọkụ akpọrepu warara warara ígwè na-ukwuu mma mgbe elu oyi akwa nke na-ekpo ọkụ itinye galvanizing na-ekpuchi, nke nwere ike ịzọpụta akụrụngwa na ihe onwunwe na-enye zuru play na magburu onwe aku na uba uru na eke gburugburu ebe obibi uru.
Isi ihe na-arụ ọrụ nke ọma nke na-ekpo ọkụ itinye galvanizing oyi akwa nke galvanized mpempe akwụkwọ maka na-ekpo ọkụ akpọrepu warara nchara bụ dị ka ndị a:
(1) mgbe nnukwu efere ígwè dị n'elu na-emebi emebi, naanị zinc corrosion, n'ihi na zinc corrosion ihe na-arụ ọrụ nke ọma na-arụ ọrụ nke ọma, ya mere ọnụ ọgụgụ corrosion na-adị ngwa ngwa, ndụ ọrụ ga-abụ 15-30 ugboro nke galvanized ígwè efere.
(2) kasị nkịtị ọnọdụ bụ galvanized mpempe akwụkwọ na mmepụta na nhazi, echichi, ngwa, n'elu scratches, ma ọ bụ ihe ọ bụla ọzọ mere oyi akwa n'okpuru akụkụ mebiri emebi, na-ekpo ọkụ akpọrepu warara nchara n'anwụ site ọnya na eke gburugburu ebe obibi, ma ọ bụrụ na ndị chemicals. nke na-abụghị ọla ihe, kpughere blocks ga-etched pụọ, ma mmezi e ji mara oyi akpọrepu ígwè mpempe akwụkwọ pụrụ iche, na-eme ka etching ọnụego ngwa ngwa, n'ụzọ dị otú a The zinc na mkpuchi na ígwè na-ekpo ọkụ akpọrepu warara nchara mejupụtara galvanic. cell na mmiri na oyi na gburugburu ebe obibi, n'ihi na ọkọlọtọ electrode ikike nke zinc bụ nanị -1.05V, ihe na-erughị -0.036V nke ígwè, otú zinc dị ka anodic oxidation site ikuku oxidation, na ígwè dị ka a na-adịghị mma efere iji nweta mmezi. N'ihi na ngwaahịa mgbe zinc dị oke njupụta, oge mmeghachi omume na-adị ngwa ngwa, n'ikwu ya n'ụzọ ọzọ, a na-emeziwanye nguzogide corrosion n'ozuzu ya. Ụdị ụzọ mgbochi a ka a na-akpọ nguzogide corrosion.
Oge nzipu: Dec-22-2021