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Kuwongolera bwino kwa aluminium alloy smelting ndi kuponyera njira: kusanthula kwathunthu kwa 6063 aluminium alloy introduction.

2024-04-19 09:58:07

Aluminiyamu aloyi wakhala ankagwiritsa ntchito mu ndege, magalimoto, zomangamanga ndi madera ena chifukwa cha kulemera kwake, mphamvu mkulu, kukana dzimbiri ndi katundu wina. 6063 aluminium alloy, monga membala wa banja la aluminium-magnesium-silicon (Al-Mg-Si), amagwiritsidwa ntchito kwambiri pomanga, zoyendera, zamagetsi ndi madera ena chifukwa cha ntchito yake yabwino yopangira komanso makina. Nkhaniyi adzafufuza mu smelting ndi kuponyera ndondomeko 6063 zotayidwa aloyi, kusanthula kufunika kulamulira zikuchokera, ndi kufotokoza mwatsatanetsatane maulalo luso luso monga smelting, kuponyera ndi homogenization mankhwala.


Kufunika kwa ma aluminium alloy composition control

Kuwongolera kapangidwe ka ma aluminiyamu aloyi ndiye chinsinsi chowonetsetsa kuti zinthu zikuyenda bwino. Pakupanga 6063 zotayidwa aloyi, kuwonjezera kulamulira zili zinthu zazikulu aloyi, monga chiŵerengero cha magnesium ndi pakachitsulo, zinthu zonyansa monga chitsulo, mkuwa, manganese, etc. komanso ayenera mosamalitsa kulamulidwa. Ngakhale zinthuzi sizimakhudza kwambiri zinthu za alloy mu kuchuluka kwachulukidwe, zikadutsa malire ena, zimakhudza kwambiri mawotchi komanso kukana kwa dzimbiri. Makamaka nthaka, ngati zili kuposa 0,05%, mawanga oyera adzawonekera pamwamba pa mbiri pambuyo makutidwe ndi okosijeni, kotero kulamulira nthaka zili zofunika kwambiri.

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Makhalidwe oyambira a Al-Mg-Si aluminium alloy

The mankhwala zikuchokera 6063 zitsulo zotayidwa aloyi amachokera pa muyezo GB/T5237-93, makamaka 0.2-0.6% pakachitsulo, 0.45-0.9% magnesium ndi mpaka 0,35% chitsulo. Aloyi iyi ndi aloyi ya aluminiyamu yomwe imatha kutentha kutentha, ndipo gawo lake lalikulu ndi Mg2Si. Panthawi yozimitsa, kuchuluka kwa yankho lolimba la Mg2Si kumatsimikizira mphamvu yomaliza ya alloy. Kutentha kwa eutectic ndi 595 ° C. Panthawiyi, kusungunuka kwakukulu kwa Mg2Si ndi 1.85%, komwe kumatsikira ku 1.05% pa 500 ° C. Izi zikuwonetsa kuti kuwongolera kutentha kozimitsa ndikofunikira kuti mphamvu ya alloy ikhale yolimba. Kuphatikiza apo, chiŵerengero cha magnesium ndi silicon mu aloyi chimakhudza kwambiri kusungunuka kolimba kwa Mg2Si. Kuti mupeze alloy yamphamvu kwambiri, m'pofunika kuonetsetsa kuti chiŵerengero cha Mg: Si ndi chocheperapo 1.73.

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Ukadaulo wosungunula wa 6063 aluminium alloy

Kusungunula ndiye njira yoyamba yopangira ndodo zapamwamba kwambiri. Kutentha kosungunuka kwa 6063 aluminium alloy kuyenera kuyendetsedwa mosamalitsa pakati pa 750-760 ° C. Kutentha kochepa kwambiri kumayambitsa kubadwa kwa slag inclusions, pamene kutentha kwakukulu kumawonjezera chiopsezo cha kuyamwa kwa hydrogen, oxidation ndi nitriding. Kusungunuka kwa haidrojeni mu aluminiyamu yamadzimadzi kumakwera kwambiri kuposa 760 ° C. Choncho, kulamulira kutentha kusungunuka ndiye chinsinsi chochepetsera kuyamwa kwa haidrojeni. Kuphatikiza apo, kusankha kwa flux ndi kugwiritsa ntchito ukadaulo woyenga ndizofunikanso. Zomwe zikuchulukirachulukira pamsika pano makamaka ndi chloride ndi fluoride. Izi zimayamwa mosavuta chinyezi. Choncho, zopangira ziyenera kukhala zouma panthawi yopangira, zosindikizidwa ndi kupakidwa ndikusungidwa bwino. Kuyeretsa kutsitsi kwa ufa ndiyo njira yayikulu yoyenga 6063 aluminium alloy. Kupyolera mu njirayi, wothandizira woyenga amatha kukhudzana kwathunthu ndi madzi a aluminiyumu kuti apititse patsogolo mphamvu zake. Mphamvu ya nayitrogeni yomwe imagwiritsidwa ntchito poyenga ufa iyenera kukhala yotsika kwambiri kuti ichepetse chiopsezo cha okosijeni ndi kuyamwa kwa haidrojeni.


Kuponyera luso la 6063 aluminium alloy

Kuponya ndi gawo lofunikira pakuzindikira mtundu wa ndodo zotayidwa. Kutentha koyenera koponya kumatha kupewa kuchitika kwa zolakwika zoponya. Pamadzi a 6063 aluminiyamu alloy omwe adathandizidwa ndi zoyenga zambewu, kutentha koponyedwa kumatha kukulitsidwa moyenerera mpaka 720-740 ° C. Kutentha kumeneku kumathandizira kuyenda ndi kulimba kwa aluminiyamu yamadzimadzi pomwe kumachepetsa chiopsezo cha pores ndi njere zolimba. Panthawi yoponyera, chipwirikiti ndi kupukuta kwamadzimadzi a aluminiyamu kuyenera kupewedwa kuti zisawonongeke filimu ya oxide ndi mbadwo wa slag inclusions. Kuonjezera apo, kusefa madzi a aluminiyumu ndi njira yabwino yochotsera slag yopanda zitsulo. Kuyenera kuonetsetsa kuti pamwamba scum a aluminiyamu madzi amachotsedwa pamaso kusefera kuonetsetsa yosalala kusefera.


Homogenization mankhwala a 6063 zotayidwa aloyi

Chithandizo cha homogenization ndi njira yofunikira yochizira kutentha kuti muchepetse kupsinjika komanso kusalinganiza kwazinthu zamagulu mkati mwa mbewu. Kusafanana kwa crystallization kumabweretsa kupsinjika komanso kusalinganika kwamagulu pakati pa mbewu. Mavutowa adzakhudza patsogolo yosalala ndondomeko extrusion, komanso katundu mawotchi ndi pamwamba mankhwala katundu wa chomaliza. Chithandizo cha homogenization chimalimbikitsa kufalikira kwa zinthu za aluminiyamu aloyi kuchokera kumalire ambewu kupita kumbewu mwa kusunga kutentha pa kutentha kwakukulu, potero kukwaniritsa kufanana kwa mankhwala mkati mwa mbewu. Kukula kwa mbewu kumakhudza kwambiri nthawi ya chithandizo cha homogenization. Mbeu zabwino kwambiri, nthawi ya homogenization imafupikitsa. Pofuna kuchepetsa mtengo wa mankhwala homogenization, miyeso monga kukonzanso tirigu ndi kukhathamiritsa kwa Kutentha ng'anjo segmentation ulamuliro akhoza kumwedwa.


Mapeto

Kupanga aloyi 6063 zotayidwa ndi ndondomeko zovuta zokhudza kulamulira okhwima zikuchokera, mwaukadauloZida smelting ndi kuponyera luso, ndi yovuta homogenization processing. Poganizira mozama ndikuwongolera zinthu zazikuluzikuluzi, ndodo zapamwamba za aluminiyamu zotayidwa zimatha kupangidwa, zomwe zimapereka maziko olimba azinthu zopangira mbiri. Ndi kupita patsogolo kwa sayansi ndi ukadaulo komanso kukhathamiritsa kwa njira, kupanga ma aluminiyamu aloyi kudzakhala kothandiza komanso kosakonda zachilengedwe, kumathandizira kwambiri pakukula kwamakampani amakono.