Iposwe kwi 2018-08-13Umgaqo-siseko we-Dacromet unyango lwe-surface kukuhlukanisa ukusebenzisana phakathi kwamanzi, i-oksijini kunye nentsimbi ukufumana umphumo onamandla we-antiseptic.Umgaqo ikakhulu yintsebenziswano yeendlela ezintathu zokukhusela.
Isiphumo sothintelo: I-zinc ene-flaky kunye ne-aluminium layers kwi-coating overlap kumphezulu wentsimbi ukwenza umaleko wokuqala okhuselayo, othintela i-corrosive medium efana namanzi kunye ne-oksijini ekudibaneni ne-substrate, edlala eyona mpembelelo yokwahlula ngokuthe ngqo.
I-Passivation: Kwinkqubo yokugubungela unyango lwe-chromic acid kunye ne-zinc, i-aluminium powder kunye nesiseko sesinyithi i-Dacromet, ifilimu ye-passivation eyenziwe phezu komphezulu we-chemical reaction, ifilimu ye-passivation ayifuni ukusabela kwi-corrosion, kwaye isebenza njengomqobo.Isenzo seendaba ezonakalisayo, kunye nesiphumo somqobo, sibonelela ngokhuselo olunemigangatho emibini eyomeleza imiphumo yokuzihlukanisa ngokomzimba.
Ukukhuselwa kweCathodic: Le yeyona mpembelelo ibalulekileyo yokukhusela.Njengoko kunye nomgaqo woluhlu lwe-galvanized, ukukhuselwa kwe-cathodic kusetyenziswa kwi-substrate kwinqanaba lemichiza ngokubingelela i-anode.
Kwelinye icala, ezi ntlobo zintathu zokhuselo zikhusela isiphumo sokugqwala kwe-corrosive medium kwintsimbi.Ngakolunye uhlangothi, i-substrate idliwe ngombane, kwaye akumangalisi ukuba kukho amaxesha amaninzi impembelelo yokukhusela i-zinc electroplating yendabuko.
Ixesha lokuposa: Jan-13-2022