1. Khetha mocheso o nepahetseng oa ho lahla
Mocheso o nepahetseng oa ho lahla le oona ke ntlha ea bohlokoa ho hlahisa boleng bo phahamengmekoallo ea aluminium. Litšitiso tse kang lijo-thollo tse mahoashe le kristale ea masiba li bonolo ho etsahala ha mocheso o le holimo.
Kamora ho ntlafatsoa ha lijo-thollo, mocheso oa forging oa 6063 aluminium alloy o ka eketsoa ka nepo, hangata lipakeng tsa 720-740 ℃, hobane:
(1) Aluminium e nang le metsi e khomarela ka mor'a hore lijo-thollo li hloekisoe le ho tiisa kristale ka mokhoa o bonolo. (2) Ho na le sebaka se sengata sa mokelikeli sa mekhahlelo e 'meli karolong e ka pele ea kristale ea aluminium bareng ha ho etsoa. Thempereichara e phahameng ea forging e na le sebaka se moqotetsane haholo, se loketseng ho phonyoha ha khase e sa kenyelletsoeng ka pele ho crystallization. Ha e le hantle, mocheso o ke ke oa e-ba holimo haholo, mocheso o phahameng haholo oa ho forging o tla fokotsa nako ea bohlokoa ea mohloekisi oa lijo-thollo le ho etsa hore lijo-thollo li be ngata haholo.
2. Ha maemo a le teng, preheat ka botlalo, omisa mokhoa oa ho lahla joalo ka tanka ea ho phalla le shunt plate ho thibela ho itšoara ha metsi le aluminium ea metsi ho etsa hore hydrogen e monye.
3. Ka aluminium bar forging, leka ho thibela moferefere le ho roala ha aluminium ea metsi, u se ke ua sebelisa lisebelisoa feela ho hlohlelletsa mokelikeli oa aluminium ka tanka ea phallo le poleiti ea shunt, e le hore aluminium ea mokelikeli e ka holim'a filimi ea oxide tlas'a tšireletso ea phallo e tsitsitseng ka har'a crystallization ea crystallization.
Sena ke hobane thepa meferefere mokelikeli aluminium le mokelikeli phallo rolling tla tsohle etsa holim'a aluminium oxide filimi petsoha, ho etsa oxidation e ncha, ka nako e tšoanang, filimi oxide amehang aluminium mokelikeli.
Lipatlisiso li bontša hore filimi ea oxide e na le matla a matla a adsorption, e na le metsi a 2%, ha filimi ea oxide e ameha ka aluminium ea metsi, metsi a filimi ea oxide le karabelo ea aluminium ea metsi, e etsa hore ho be le hydrogen absorption le slag.
4. The aluminium bar aluminium liquid filtration, filtration ke mokhoa o molemo oa ho tlosa slag e seng ea tšepe ka har'a mokelikeli oa aluminium, ha ho etsoa motsoako oa 6063 aluminium alloy, hangata e nang le mefuta e mengata ea likhalase tsa fiber fiber filtration kapa ho hloekisa poleiti ea ceramic, ho sa tsotellehe hore na ke mofuta ofe oa mokhoa oa ho hloekisa o sebelisoang.
E le ho etsa bonnete ba hore ho hloekisoa ho tloaelehileng ha aluminium ea metsi, aluminium e nang le metsi e lokela ho tlosoa holim'a scum pele e hloekisoa, hobane scum ea holim'a metsi e bonolo ho koala letlooeng la filthara ea lintho tse tala, e le hore filtration e se ke ea etsoa ka mokhoa o tloaelehileng, tsela e bonolo ea ho tlosa scum ea aluminium ea metsi ke ho lokisa poleiti ea slag ho tloha ka tanka ea metsi, e le hore e tlosoe ka tanka ea metsi.
Nako ea poso: Jan-17-2022