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Aluminium anodizing Uchishandisa aluminium anode anticorrosion precautions?

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Aluminium anodizing Uchishandisa aluminium anode anticorrosion precautions?

2024-10-24

cd

Mukugadzirwa kwemazuva ano uye minda yekugara, nhamba huru yezvigadzirwa zvesimbi zvinokonzeresa kurasikirwa kukuru kwehupfumi gore rega rega nekuda kwekuora, uye mune yakawedzera kudzika mamiriro ekugadzirwa kwemaindasitiri, kukuvadza uku kuri kuwedzerawo. Nekubuda kwe-anti-corrosion chibayiro anode zvigadzirwa, matambudziko akadaro akagadziriswa zvinobudirira kune imwe nhanho. Zvisinei, nokuti zvibairo anode zvigadzirwa muhupenyu chaihwo hazvisi zvakasiyana chete, asiwo maitiro uye kushandiswa kwemaitiro ezvigadzirwa zvakasiyana zvakasiyanawo zvakasiyana, izvo zvinoda kuti nhamba yakawanda yevatengi vakwanise kushandisa nzira dzakakodzera kune zvakasiyana-siyana zvigadzirwa. Isu tinotora aluminium anode semuenzaniso, muchokwadi, kuitira kuti tinzwisise kuita uye chaiyo mhedzisiro ye-anti-corrosion aluminium anode zvigadzirwa, uye kunyangwe kushandiswa kwekuchengetedza, chekutanga kunofanirwa kutariswa kubva mukuita kwechigadzirwa pachacho, uye kune nzvimbo dzakasiyana dzekushandisa, kushandiswa kwekuchengetedza kazhinji kuchave kwakasiyana. Iwo maburi madiki akaumbwa neanodizing aluminium dzimwe nguva anoonekwa seakavharika capillaries ari mukushandiswa, uye aya maburi madiki ari perpendicular kumusoro kwesimbi yepasi. Mushure mealuminium anodizing, ma pores anozadzwa nealuminium anodizing solution uye aruminiyamu munyu anogadzirwa panguva yealuminium anodizing process. Zvisinei, izvi zvakasara zve sulfuric acid uye aluminium salt mu micropores zvakaoma kubvisa, uye kushambidza pamusoro pekunze kwakaoma kubvisa zvinhu zviri mu micropores. Nemhaka yokuti zera rekuomesera kurapwa rinobva pakusimba kwezvinhu, pane dambudziko rekuwedzera zera rekuomesa nguva yekurapa, asi maitiro ekugadzirisa saizi yezviyo haina kuteererwa. Mushure me alkali etching kurapwa uye anodic oxidation kurapwa, zvakaoma kuwana yunifomu anodic oxidation firimu. Kutungamirirwa kwekushisa kwehutano hwekupisa kunofungidzirwa kubva pakuona kwekupedzisa. Kana saizi yezviyo zvealuminium alloy anode yakaiswa panzvimbo yakakura yendege isina kuchena, iyo alkali etching kurapwa haina yunifomu, ipapo kutaridzika kwealuminium anodizing kurapwa hakugone kuenderana, izvo zvinokonzeresa kuderera kukuru goho rezvinhu, saka sarudza batch imwechete yezvinhu zvine mamiriro akafanana ekugadzirisa. Panguva ino, nzira ye convection uye diffusion inogona kusarudzwa. Mukuita convection, mhinduro yese inosanganisira zvinhu zvakanyungudutswa zvinofamba pamwechete, kubvongodza inzira yekufambisa; Diffusion ndiyo gradient yemakemikari concentration, kana iri residual solution mumicropore, mhinduro iri mumicropore haibviri kubvongodza, saka iyo diffusion process ndiyo chete nzira yekubvisa sulfuric acid nealuminium munyu mumicropore.