Muviri uye hoko-beam chimiro chezvitima zvinomhanya-mhanya zvinogadzirwa uchishandisa aruminiyamu alloy, inozivikanwa nekunaka kwayo senge yakaderera density, yakakwirira simba-ku-huremu reshiyo, yakanaka corrosion resistance, uye yakanakisa yakaderera-tembiricha kuita.Nekutsiva zvigadzirwa zvesimbi zvechinyakare nealuminium, huremu hwemuviri wechitima hunodzikiswa zvakanyanya, zvichiita kuti kuderedzwa kwesimba rekushandisa, kuderedza kusvibiswa kwezvakatipoteredza, uye kugadzira zvese zvakanaka zvehupfumi nemagariro.
Nekudaro, aruminiyamu nealuminium alloys ane yakanyanya reactive makemikari zvivakwa.Kunyangwe kugadzira dense oxide firimu kana yaiswa mweya weokisijeni munzvimbo, ichipa zvirinani kusagadzika pane simbi yakajairwa, ngura inogona kuitika kana aruminiyamu alloy ichishandiswa muzvitima zvinomhanya.Zvitubu zvemvura inoora, kusanganisira kupfachuka, mhepo yemhepo, uye mvura inoputika kubva pasi panguva yekupaka, inogona kukanganisa firimu reoxide.Corrosion mualuminium alloy inoshandiswa mumuviri wezvitima zvinomhanya zvakanyanya inotaridza sekuora kwakafanana, kukora kwegomba, crevice corrosion, uye kushushikana kwekuora mwoyo, zvichiita kuti ive yakaoma nzira inokanganiswa nezvose zviri mukati memamiriro ekunze uye alloy zvivakwa.
Pane nzira dzakasiyana dzeanticorrosion yealuminium alloy, sekushandisa anticorrosive coatings kuti inyatso kuparadzanisa iyo aruminiyamu alloy substrate kubva kune yekunze nharaunda.Yakajairwa anticorrosive coating is epoxy resin primer, inoshandiswa zvakanyanya kune yakanaka kudzivirira kwayo mvura, yakasimba substrate adhesion, uye kuenderana neakasiyana machira.
Nekudaro, zvichienzaniswa nemaitiro ekudzivirira ngura, imwe nzira inoshanda ndeye makemikari passivation kurapwa.Mushure mekupfuura kurapwa kwealuminium uye aruminiyamu alloys, ukobvu hwechigadzirwa uye mechanicha chaiyo inoramba isina kukanganiswa, uye hapana shanduko muchitarisiko kana ruvara.Iyi nzira iri nyore uye inopa yakagadzikana uye inodzivirira-inodzivirira passivation firimu kana ichienzaniswa neyakajairwa anticorrosive coatings.Iyo passivation firimu yakaumbwa kuburikidza nealuminium alloy passivation kurapwa yakagadzikana uye ine yakakwirira corrosion resistance pane echinyakare anticorrosive coatings, pamwe nerubatsiro rwakawedzerwa rwekuzvigadzirisa.
Yedu chromium-yemahara passivation mhinduro, KM0425, yakanakira passivating aruminiyamu zvinhu, aruminiyamu alloys, uye inofa-cast aruminiyamu zvigadzirwa, zvichiwedzera kusakara kwadzo.Icho chitsva uye chemhando yepamusoro chigadzirwa cheyakajairwa-chinangwa passivation yealuminium zvinhu.Yakagadzirwa ne organic acids, isingawanzo midziyo yepasi, yepamusoro-soro corrosion inhibitors, uye shoma shoma ye-high-molecular-weight passivation accelerators, haina asidi, isina chepfu, uye haina kunhuwa.Zvinoenderana neazvino mamiriro ezvakatipoteredza RoHS zviyero, kushandisa iyi passivation mhinduro inova nechokwadi chekuti passivation maitiro haakuvadze iwo ekutanga ruvara uye zviyero zvechishandiso uku uchivandudza zvakanyanya kuramba kwealuminium zvinhu kupfapfaidza munyu.
Nguva yekutumira: Jan-25-2024