Hanyar rarrabewa don electrogalvanizing da zafi galvanizing coatings

Fasteners suna cikin sassa na yau da kullun, yawanci kuma ana kiran su "daidaitattun sassa".Ga wasu fasteners tare da babban ƙarfi da daidaito, jiyya na saman yana da mahimmanci fiye da jiyya na thermal.Kowane irin fasteners amfani a cikin wani babban adadin inji kayan aiki, kusan duk bukatar da za a tattara bayan surface jiyya, domin cimma anticorrosion, ado, sa juriya, rage gogayya coefficient da sauran effects, da kuma inorganic surface jiyya electrogalvanizing da zafi galvanizing ne. fasahar kariya ta cathodic.

Ka'idar electrogalvanizing karfe fastener kayayyakin ne da yin amfani da electrolysis, samuwar uniform, m, da-hade karfe ko gami deposition Layer a kan surface na workpiece, da samuwar wani Layer na shafi a kan karfe surface, domin cimma kariyar tsarin lalata karfe.Saboda haka, shafi na electrogalvanized motsi ne na jagora daga ingantacciyar wutar lantarki zuwa na'urar mara kyau ta amfani da halin yanzu.Zn2+ a cikin electrolyte an nucleated, girma da kuma ajiye a kan substrate karkashin aikin yuwuwar samar da galvanized Layer.A cikin wannan tsari, babu tsarin yaduwa tsakanin zinc da baƙin ƙarfe.Daga hangen nesa, dole ne ya zama ruwan tutiya mai tsabta.A ainihi, zafi tsoma galvanized baƙin ƙarfe-zinc gami Layer da tsarki tutiya Layer, da kuma galvanized kawai Layer na tsarki tutiya Layer, don haka, tare da baƙin ƙarfe-zinc gami Layer daga shafi ne yafi dogara ne a kan ganewa na shafi hanya, dace da. galvanized fasteners, karfe waya, karfe bututu da sauran kayayyakin.Ana amfani da hanyar Metallographic da hanyar XRD don gano abin rufewa don bambanta electrogalvanizing da galvanizing mai zafi, da kuma ba da jagora don nazarin gazawar.

Akwai hanyoyi guda biyu don gano electrogalvanizing da zafi galvanizing coatings.Daya ita ce hanyar metallographic: hanyar metallographic ba ta iyakance ta kewayon abun ciki da girman samfurin ba, kuma ya dace da duk samfuran electrogalvanizing da zafi galvanizing.Ɗayan ita ce hanyar diffraction X-ray: mai dacewa da diamita na fiye da 5mm plating bolts da kwayoyi a cikin jirgin sama hexagonal;A m diamita ne mafi girma daga 8mm karfe bututu surface radian kayayyakin, don tabbatar da cewa samfurin za a iya sanya a cikin m size of 5mm × 5mm surface lebur samfurin, da kowane irin shafi kayayyakin.Za a iya tabbatar da tsarin crystal na shafi abun ciki ≥5% lokaci.Samfuran da ke da kauri mai kauri mai tsaftataccen tutiya ba su dace da rarrabawar X-ray ba.