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Nkhani

Chifukwa chomwe timasankha aluminiyumu yokongoletsera ndi chifukwa chakuti mawonekedwe ake ndi okhazikika, ndipo ali ndi kukana kwa dzimbiri pakugwiritsa ntchito nthawi yayitali.Komabe, mbiri zina za aluminiyamu zimakhala ndi dzimbiri pamtunda, zomwe zimachitika makamaka chifukwa cha kupangidwa kolakwika kwa zinthu panthawi yopanga.

1. Pakuponyera, gawo la magnesium ndi silicon silili loyenera, monga kukhalapo kwa silicon yowonjezera, yomwe imakhala ndi silicon yochepa mu free state, idzapanga ternary compounds mu aluminiyamu alloy pa nthawi yomweyo. .Magawo osasungunuka odetsedwa awa kapena magawo odetsedwa aulere omwe amapangidwa mu aloyi amakonda kusonkhanitsa pamalire ambewu, ndikufooketsa mphamvu ndi kulimba kwa malire ambewu nthawi yomweyo, amakhala ulalo wofooka kwambiri wa kukana dzimbiri, ndipo dzimbiri zimayambira pamenepo.

2. Pogwiritsa ntchito kusungunula, ngakhale kuti chiwerengero cha magnesium ndi silicon chili mkati mwa muyezo, koma nthawi zina chifukwa cha kusakanikirana kosakwanira komanso kosakwanira, zomwe zimapangitsa kuti pakhale kugawanika kwa silicon mu kusungunuka, pali madera olemera ndi malo osauka.Kuchepa kwa silicon yaulere mu matrix a aluminium sikungochepetsa kukana kwa dzimbiri kwa aloyi, komanso kukulitsa kukula kwambewu ya aloyi.

3. Kuwongolera kwa magawo osiyanasiyana aukadaulo pa nthawi ya extrusion, monga kutentha kwa bar preheating ndikwambiri, chitsulo chotulutsa chitsulo chotuluka, mphamvu yoziziritsa mpweya pa nthawi ya extrusion, kutentha kwaukalamba ndi kusunga nthawi ndi kuwongolera kwina kosayenera ndikosavuta kupanga tsankho la silicon ndi kudzipatula, kotero kuti magnesium ndi silicon zisakhale kwathunthu Mg2Si, silicon yaulere ilipo.
Mwachidule, ngati pamwamba pa zotayidwa mbiri ndi zosavuta dzimbiri ntchito, ndi chifukwa muyezo khalidwe la zotayidwa mbiri ndi otsika kwambiri kupanga, kotero tiyenera kupeza katswiri wopanga posankha mbiri zotayidwa, motero mbiri zotayidwa inu. kusankha kudzakhala kotetezeka kwambiri.

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Nthawi yotumiza: May-10-2022

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