Kuyini ukunamathela kwe-DACROMET?

2024-09-05

Ukufakwa kwe-Dacrometi-zinc-aluminium coating yensimbi esetshenziswa ezinsimbini ezonileyo (njengensimbi, insimbi ecijile, namanye ama-alloys ensimbi) ukuze izivikele ekugqwaleni. Ukugqoka kuvame ukusetshenziswa ngokucwilisa izingxenye zensimbi emanzini asekelwe emanzini ahlanganiswe ne-zinc eyimpuphu ne-aluminium, bese uwabhaka emazingeni okushisa aphezulu. Le nqubo ibangela isibopho se-metallurgical phakathi kwezinto eziboshwe kanye nesisekelo.

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Igama elithi "Dacromet" yigama elinophawu lokuhweba, kodwa selisetshenziswe kabanzi ukuchaza lolu hlobo lobuchwepheshe bokumboza. Ilahla isinyathelo sokukhetha esibaluleke kakhulu kunqubo ye-electroplating evamile, ngaleyo ndlela igwema ukukhiqizwa kwenani elikhulu lamanzi angcolile aqukethe i-asidi, i-chromium-, kanye nezinc. Yonke inqubo yokukhiqiza ifinyelela ukungabikho kokukhishwa kwamanzi angcolile, ukufeza ngempela ukukhiqizwa okuluhlaza kanye nokubeka ibhentshimakhi yokuvikela imvelo embonini yokwelapha ngaphezulu. Lesi sici asiphenduli nje kuphela obizweni lokuthuthuka okusimeme emhlabeni wonke, kodwa futhi sizuza umusa wabathengi abaningi abanaka ukuvikelwa kwemvelo.

I-coating inikeza ukumelana nokugqwala okuhle kakhulu, ingamelana namazinga okushisa aphezulu, futhi ayiphehli kalula, ikwenze ilungele izingxenye zezimoto, i-hardware, nezinye izinhlelo zokusebenza lapho ukuqina nokumelana nezindawo ezinokhahlo kuyadingeka. Kodwa-ke, kufanele kuqashelwe ukuthi ukwakheka okuqondile kanye nendlela yokusetshenziswa kungahluka, futhi ucwaningo luyaqhubeka nokuthuthukisa izakhiwo zalo nokwandisa ukusetshenziswa kwalo.

♦ Umphumela wokuvikela we-Dacromet film layer on the substrate yensimbi

1. Ukuvikelwa Kwezithiyo

I-Dacromet coating yakha isithiyo esingokomzimba esihlukanisa i-substrate yensimbi nezinto ezigqwalayo ezifana nomswakama, umoya-mpilo, namakhemikhali. Lesi sithiyo sivimbela lezi zakhi ukuthi zingathintani ngokuqondile nensimbi, ngaleyo ndlela zivimbele ukwakheka kokugqwala nezinye izinhlobo zokugqwala.

2. Ukuvikelwa Kokugqwala Komhlatshelo

I-Dacromet coating ngokuvamile yenziwe nge-zinc ne-aluminium, kokubili okusebenza kakhulu nge-electrochemically kune-iron. Ezindaweni lapho i-coating ingaklwejwa noma yonakaliswe, lezi zinsimbi zisebenza njenge-anode yomhlatshelo, zigqwala kakhulu kune-ayoni. Lokhu kusho ukuthi zizogqwala ngaphambi kokuba insimbi engaphansi yenze, ngaleyo ndlela andise impilo yengxenye yensimbi.

3. Ukuzinza Okushisayo

I-coating izinzile emazingeni okushisa aphezulu, okwenza ifaneleke izinhlelo zokusebenza lapho izingxenye ezimboziwe zingase zivezwe ekushiseni. Lokhu kuzinza futhi kuvumela ukusetshenziswa kwezingxenye ezimbozwe nge-Dacromet ezindaweni lapho ezinye izimbobo zingase zehlise izinga.

4. Ukunamathela

Inqubo yokubhaka ngesikhathi sokusetshenziswa kwe-Dacromet idala isibopho esiqinile se-metallurgical phakathi kwe-coating ne-substrate. Lokhu kunamathela okuqinile kusiza ekuvimbeleni ukumboza ukuthi kungaphehli noma ukuxebuka ngaphansi kwezimo ezivamile, ukuqinisekisa ukuvikelwa kwesikhathi eside.

5. Ukumelana Kwamakhemikhali

Izembatho ze-Dacromet zinikeza ukumelana okuhle kumakhemikhali ahlukahlukene, kuhlanganise nama-acids nama-alkali, okuthuthukisa ngokwengeziwe amandla abo okuzivikela ezindaweni zezimboni.

Ukuncintisana okuyinhloko kwe-Dacrometilele ekumelaneni kwayo nokugqwala okuhle kakhulu. Ngogqinsi oluwugqinsi lwama-microns angu-8 kuphela, lungabonisa ukumelana nokugqwala okudlula kude izikhathi ezingu-7-10 kunalokho kwe-zinc yendabuko ye-electroplating ekuhlolweni kwesifutho sikasawoti. Lokhu kumelana nesimo sezulu okungajwayelekile kwenza i-Dacromet coating ibe yinketho efanelekile yezingxenye zemishini ezindaweni ezinokhahlo. Kungakhathaliseki ukuthi ukuguguleka kwesifutho sikasawoti ebunjiniyela basolwandle noma ukugqwala kwamakhemikhali emkhakheni wezimboni, i-Dacromet inganikeza umgoqo oqinile wokuvikela ukuze kuqinisekiswe ukusebenza kwesikhathi eside nokuzinzile kwemishini.

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