KhoeboIndustry

Aluminium alloys: thepa le thepa ea tšepe

Aluminium ke tšepe e hlokahalang haholo kahong le likarolong tse ling tsa bophelo ba motho. Leha ho le joalo, ka mokhoa o hloekileng o sebelisoa ka seoelo. Hangata li sebelisoa aluminium alloys.

Li-alloys tsohle li ka aroloa ka setry le tse holofetseng. Mofuta oa pele o hlahisoa ke mokhoa oa ho qhibiliha, 'me bakeng sa ho hlahisa li-alloys tsa bobeli, khatello e sebelisoa. Lisebelisoa tsa aluminium tsa cast cast hangata li emeloa ke motsoako oa aluminium le silicon. Lisebelisoa tse joalo li na le nako e telele, tse nang le matla a ho hanyetsa kutu, li khaola hantle. Ha e le li-alloys tse holofetseng, tse ling tsa tsona, tse ling li tsebahala, tseo ho tsona ho fumanoang aluminium, magnesium le koporo. Ho tloha teroneng ena ea tšepe, profile, sheets, tape e entsoe. Alloy leha e le efe e ka sebetsanoa ka mokhoa leha e le ofe.

Mefuta ea alloys e aluminium e ka aroloa e le 'mele, e ts'ebetsoe le ea lik'hemik'hale. Ha e le lisebelisoa tsa 'mele, li-alloys li na le matla a lekanang le a aluminium ka boeona. Ba na le matla a maholo, a ka hlōlisanang le titanium le tšepe. Empa mona ho hlokahala hore u nahane hore mocheso o qhibilihisang oa alloys o monyane (hoo e ka bang likhato tse 200). Ke habohlokoa hore re hlokomele hore liallo tsa aluminium li na le tsamaiso e ntle ea motlakase, li tsamaisa motlakase oa motlakase ka mokhoa o tsotehang.

Ha e le lisebelisoa tsa mechine, li phahame ka ho eketseha ha tekanyo ea doping. Li-alloys tse entsoeng ka aluminium li sebelisetsoa ho haha mehaho ea tlaase le e bohareng e kenang. Ke habohlokoa hore re hlokomele hore thepa ea alloys e fapane haholo ka mor'a hore ho futhumetse ho mocheso o itseng, o etsang hore o sebelisoe.

Kaha li-alloys li lokela ho sebetsanoa pele li sebelisoa, 'me ho theha mehaho e meng, liallo li lokela ho ts'oaroa, tlhokomelo e lokela ho lefshoa ke hore ho kenyelletsa alloys ea aluminium ho na le litšobotsi tse itseng. Tshebetso ena e na le mathata a mang:

- Li-alloys li thata ka ho fetisisa ka lebaka la filimi ea oxide e hlahang holim 'a tšepe (e atisa ho silafatsa sekepe, e leng se thibelang fusion e tloaelehileng ea metse ea tšepe);

- filimi ea oxide le alloy ka boeona e na le lintlha tse fapaneng tsa melting, phapang e le ea bohlokoa;

- kaha ho atolosoa ha aluminium ho phahame ka ho lekaneng, ka mor'a ho senya, tšepe e ka senya ka matla;

- li-alloys li na le metsi a mangata, ka hona, ha li khabisoa ka tšepe, li phalla li ka hlaha.

Bakeng sa ho hlatsoa ha alloys, li-electrode tsa carbon kapa tsa tšepe li sebelisoa haholo. Tshebetso ena e etsoang ka ho sebelisa polarity ea DC. Pele o qala mosebetsi, sebaka se lokelang ho opeloa se lokela ho phekoloa ka acetone kapa peterole 'me se hloekisoe ka borashe ea tšepe. E le hore ho khone ho ratoa haholoanyane, likarolo tseo ho lokelang ho behoa ho tsona li tlameha ho futhumetsoa ho isa mocheso o itseng (200 likhato). E le hore u fumane sesebelisoa se setle ka mor'a ho roala, u lokela ho pholile butle-butle.

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