Galvanizing e bua ka thekenoloji ea phekolo ea holim'a metsi ea ho roala lesela la zinki holim'a tšepe, motsoako kapa lisebelisoa tse ling ho bapala mokhoa oa ho thibela botle le mafome.
Zinc e qhibiliha habonolo ka li-acids hammoho le alkali, kahoo e bitsoa amphotropic metal.Zinc e fetoha hanyane haholo moeeng o omileng.Moea o mongobo, filimi e teteaneng ea alkaline zinc carbonate e thehoa holim'a zinki. hydrogen sulfide le Marine sepakapaka, zinki kutu ho hanyetsa e futsanehile, haholo-holo mocheso o phahameng le mongobo o phahameng o nang le sepakapaka organic acid, zinki barbotage ho bonolo ho corrode. Tekanyetso ea eleketrode bokgoni ba zinki ke-0.76V, bakeng sa matrix tšepe, zinki barbotage ke oa anodic barbotage, e haholo-holo sebelisoa ho thibela kutu ea tšepe, tshebetso ya lona e sireletsang le botenya barbotage e amana haufi-ufi haholo.Zinc barbotage ka mor'a Phekolo ea passivation, e silafalitsoeng kapa e koahetsoeng ka sesebelisoa se sireletsang leseli, e ka ntlafatsa haholo tšireletso ea eona le mokhabiso.
Ho qhomisa ho batang
Cold galvanizing, eo hape e bitsoang electrogalvanizing, ke tšebeliso ea lisebelisoa tsa electrolytic ka mor'a oli, pickling, letsoai la zinki ka har'a tharollo, le ho hokahanya electrode e mpe ea thepa ea electrolytic, e fapaneng le poleiti ea zinki, e kopantsoeng le electrode e ntle ea electrolytic. thepa matla, ho sebelisa ea hona joale ho tloha positive, ho ea mpeng tla beha lera zinki holim'a phala, batang plating phala pele sebetsa ka mor'a galvanizing.
Mecheni e galvanized
Ka har'a moqomo o potolohang o nang le plating, bolo ea khalase, phofo ea zinki, metsi le mothati, bolo ea khalase joalo ka ha ho na le tšusumetso e bohareng e potoloha le moropa, likhohlano le hamore holim'a sethala e hlahisa matla a 'mele.Tlas'a ketso ea k'hemik'hale ea lik'hemik'hale, phofo ea zinc e koahetsoeng "chelete e batang" ho ea holimo, e etsa seaparo se boreleli, se ts'oanang le se qaqileng ka botenya bo itseng.
Chelete e chesitsoeng
Mokhoa o ka sehloohong oa ho kenya tšepe holim'a tšepe ke galvanizing e chesang.
Ho hlahisa magala a chesang ho tloha mekhoeng ea khale 'me ho na le lilemo tse lekholo le mashome a supileng ho tloha ha e ne e sebelisoa indastering ka 1836. Leha ho le joalo, indasteri ea mapolanka a chesang-dip e ntlafalitsoe ka tekanyo e kholo hammoho le tsoelo-pele e potlakileng ea tšepe e pholileng. lilemong tse mashome a mararo tse fetileng.
Ts'ebetso ea tlhahiso ea poleiti e chesang e nang le masenke haholo-holo e kenyelletsa: poleiti ea pele ea ho cheka e chesang ka mor'a phekolo e phethiloe tlhahlobo ea lihlahisoa, joalo-joalo, ho latela tloaelo, ho ea ka mokhoa o fapaneng oa phekolo ea plating, mokhoa o chesang oa ho phunya o arotsoe ka ntle. le annealing ka hare mola annealing.
Nako ea poso: May-13-2022