Mafotokozedwe Akatundu
3003 ndi aloyi ya AL-Mn, yomwe imagwiritsidwa ntchito kwambiri polimbana ndi dzimbiri.Mphamvu ya alloy iyi siili yokwera ndipo singathe kulimbikitsidwa ndi chithandizo cha kutentha.Chifukwa chake, njira yozizira yogwira ntchito imagwiritsidwa ntchito kukonza zida zake zamakina: imakhala ndi mapulasitiki apamwamba m'malo opindika., Mu theka-ozizira ntchito kuumitsa, pulasitiki akadali zabwino, ndi ozizira ntchito kuumitsa ndi otsika plasticity, kukana dzimbiri bwino, weldability wabwino, ndi machinability osauka.Amagwiritsidwa ntchito kwambiri pamagawo otsika omwe amafunikira mapulasitiki apamwamba komanso kuwotcherera bwino, kugwira ntchito mumadzi kapena gasi sing'anga, monga matanki amafuta, mafuta opangira mafuta, zotengera zosiyanasiyana zamadzimadzi ndi magawo ena ang'onoang'ono opangidwa ndi zojambula zakuya: Waya amagwiritsidwa ntchito. kupanga ma rivets.
The kukana dzimbiri wa 3003 zotayidwa aloyi ndi zabwino kwambiri, pafupi ndi kukana dzimbiri mafakitale koyera zotayidwa, ndipo ali wabwino dzimbiri kukana mlengalenga, madzi abwino, madzi a m'nyanja, chakudya, organic acid, mafuta, ndale inorganic mchere njira, etc. The dzimbiri. kukana kulinso kwabwino kwambiri.
Ndodo ya aluminiyamu ya 3A21 ndi ya aloyi yolimba ya aluminiyamu komanso aloyi yopangidwa ndi aluminiyamu potengera kapangidwe kake.Poyerekeza ndi 23A21, chifukwa cha zinthu zamkuwa zamkuwa, mphamvu zimakhala zapamwamba komanso mphamvu zotentha zimakhala bwino, koma pulasitiki yotentha kwambiri si yabwino ngati ya 3A21., 3A21 zotayidwa aloyi ali machinability wabwino, kukhudzana kuwotcherera, malo kuwotcherera ndi anagubuduza kuwotcherera ntchito, arc kuwotcherera ndi kuwotcherera mpweya osauka ntchito;kutentha mankhwala akhoza kulimbikitsidwa, pali extrusion kwenikweni.
3003 aluminiyamu ndodo mankhwala kapangidwe ndi makina katundu
Al | Si | Cu | Mg | Zn | Mn | Ti | Ni | Fe+Ni | Fe |
余量 | ≤0.60 | 0.05-0.20 | --- | ≤0.10 | 1.00-1.50 | --- | --- | --- | ≤0.70 |
TensileStrength(Mpa) | 140-180 |
yield strength (Mpa) | ≥115 |
EL(%) | ≤2% |
Kachulukidwe (g/cm³) | 2.75 |
Chemical zikuchokera ndi makina katundu wa 3A21 zotayidwa ndodo
Al | Si | Cu | Mg | Zn | Mn | Ti | Ni | Ti+Zr | Fe |
malire | ≤0.60 | ≤0.20 | ≤0.50 | ≤0.10 | 1.00-1.60 | ≤0.15 | --- | ≤0.20 | ≤0.70 |
TensileStrength(Mpa) | 140-180 |
yield strength (Mpa) | ≥115 |
EL(%) | ≤2% |
Kachulukidwe (g/cm³) | 2.75 |