Chii chinonzi DACROMET coating?

2024-09-05

Dacromet kupfekaisimbi ye zinc-aluminium coating inoiswa kune simbi (senge simbi, simbi yakakandwa, uye mamwe alloys esimbi) kudzivirira kubva mukuora. Iko kuvharidzirwa kunowanzoiswa nekunyudza zvidimbu zvesimbi mumvura-based paste inoumbwa nemafuta akaomeswa zinc uye aruminiyamu, uye wozoibika pakupisa kwakanyanya. Iyi nzira inoguma mune metallurgical chisungo pakati pezvinhu zvakavharwa uye nheyo yezvinhu.

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Izwi rekuti "Dacromet" izita rekutengesa, asi rave kushandiswa zvakanyanya kutsanangura rudzi urwu rwekupfeka tekinoroji. Inosiya nhanho yekunhonga iyo inonyanya kukosha mune yechinyakare electroplating process, nekudaro kudzivirira kugadzirwa kwehuwandu hwakawanda hweasidhi-, chromium-, uye zinc-ine tsvina ine mvura. Iyo yese yekugadzira maitiro inowana zero tsvina yekubuda kwemvura, kunyatsowana kugadzirwa kwegirinhi uye kuseta bhenji rekuchengetedza kwezvakatipoteredza kuindasitiri yekurapa kwepamusoro. Ichi chimiro hachingodaira chete kushevedzo yebudiriro yepasi rose, asi zvakare inohwina kufarirwa nevatengi vakawanda vanoteerera kuchengetedza kwezvakatipoteredza.

Iyo yekupfekedza inopa yakanakisa corrosion kuramba, inogona kumira tembiricha yakakwira, uye haibatike nyore, ichiita kuti ive yakanakira zvinhu zvemotokari, Hardware, uye mamwe maapplication uko kusimba uye kuramba kune dzakaoma nharaunda kunodiwa. Nekudaro, zvinofanirwa kucherechedzwa kuti iyo chaiyo kuumbwa uye nzira yekushandisa inogona kusiyana, uye tsvagiridzo inoenderera mberi nekuvandudza zvimiro zvayo uye kuwedzera mashandisiro ayo.

♦ Izvo zvinodzivirira zveDacromet film layer pane substrate yesimbi

1. Kudzivirira Kudzivirira

Iyo Dacromet coating inoumba chipingamupinyi chemuviri chinoparadzanisa simbi substrate kubva kune zvinoparadza zvinhu zvakaita sehunyoro, okisijeni, uye makemikari. Ichi chipingamupinyi chinodzivirira zvinhu izvi kubva pakusangana zvakananga nesimbi, nokudaro zvichitadzisa kuumbwa kwe ngura uye mamwe marudzi ekuora.

2. Chibayiro Kudzivirirwa Corrosion

Iyo Dacromet coating inowanzogadzirwa ne zinc uye aluminium, izvo zviri zviviri zvakanyanya electrochemically kushanda kupfuura iron. Munzvimbo dzinogona kukwenya kana kukuvadzwa, simbi idzi dzinoita sechibairo anode, dzinoora zvakanyanya kune iron. Izvi zvinoreva kuti vachaita ngura pamberi pesimbi yepasi, nokudaro vachiwedzera hupenyu hwechikamu chesimbi.

3. Thermal Kugadzikana

Iyo yekupfekedza inogadzikana pakudziya kwepamusoro, izvo zvinoita kuti ive yakakodzera kune maapplication apo zvikamu zvakavharwa zvinogona kuratidzwa nekupisa. Uku kugadzikana kunobvumirawo kushandiswa kweDacromet-yakavharwa zvikamu munzvimbo umo mamwe machira anogona kudzikisira.

4. Kunamatira

Iyo yekubheka maitiro panguva yekushandiswa kweDacromet inogadzira yakasimba metallurgical bond pakati pekuputira uye substrate. Uku kunamatira kwakasimba kunobatsira kudzivirira kuvhara kubva pakubhururuka kana kusvuura pasi pemamiriro akajairika, kuve nechokwadi chekuchengetedzwa kwenguva refu.

5. Kemikari Resistance

Dacromet coatings inopa kumira kwakanaka kune akasiyana makemikari, kusanganisira acids uye alkalis, zvichiwedzera kuwedzera kugona kwavo kwekudzivirira munzvimbo dzeindasitiri.

Iyo yakakosha kukwikwidza kweDacrometinorara mukudzivirirwa kwayo kwakanakisa. Nehukukutu hwekuvharisa hwema microns masere chete, hunogona kuratidza kuramba kwecorrosion kunodarika 7-10 nguva dzechinyakare electroplating zinc mumayedzo ekupfapfaidza munyu. Uku kunoshamisa kwemamiriro ekunze kuramba kunoita kuti Dacromet yekupfekedza ive sarudzo yakanaka yemidziyo yemidziyo munzvimbo dzakaoma. Kunyangwe iri munyu wekupfapfaidza kukukurwa muinjiniya yemugungwa kana kukanganisa kwemakemikari mumunda weindasitiri, Dacromet inogona kupa chivharo chakasimba chekudzivirira kuti ive nechokwadi chekushanda kwenguva refu uye kwakagadzikana kwemidziyo.

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