Mafotokozedwe Akatundu
Mawonekedwe akulu ndi kuchuluka kwa ntchito ya 2A16 aluminiyamu ndodo: Ichi ndi mtundu wa aluminiyamu yolimba yosagwira kutentha, yomwe imadziwika ndi: mphamvuyo siikwera kwambiri pakutentha kwabwinobwino, koma imakhala ndi mphamvu yakukwawa kwambiri pakutentha kwambiri, ndipo aloyi ili Mapulasitiki amphamvu, osatulutsa mpweya, amatha kulimbitsa, kuwotcherera, kuwotcherera, kuwotcherera kwa msoko, kuwotcherera kwabwino, chizolowezi chochepa chopanga ming'alu, kulimba kwa mpweya wabwino wa ma welds, kukhazikika kwa dzimbiri kwa ma welds, dzimbiri la mapepala okhala ndi aluminiyamu Kukhazikika kudakali kwabwino. , ndipo kukana dzimbiri kwa extruded theka-yomaliza mankhwala si mkulu.Pofuna kupewa dzimbiri, chithandizo cha anodizing kapena kujambula chiyenera kugwiritsidwa ntchito poteteza: machinability akadali abwino.
Ntchito Zimagwiritsidwa ntchito makamaka pazigawo zomwe zimagwira ntchito pa 250-350 ° C, monga mayendedwe a masamba a kompresa, ma disks, ndi mbale zowotcherera zomwe zimagwira ntchito kutentha komanso kutentha kwambiri, monga zotengera, malo osungiramo mpweya, etc.
Ndodo ya aluminiyamu ya 2024 ndizitsulo zolimba zolimba za aluminiyamu pamndandanda wa aluminium-copper-magnesium.Kapangidwe kake ndi koyenera komanso kachitidwe kake kabwinoko.Ndilo kuchuluka kwakukulu kwa duralumin.2024 aluminium bar ndi ya aluminiyamu yolimba kwambiri, yomwe imatha kulimbikitsidwa ndi chithandizo cha kutentha.Ili ndi pulasitiki yapakatikati m'malo ozimitsidwa komanso ongozimitsidwa, ndipo kuwotcherera kwa malo ndikwabwino.Pamene kuwotcherera mpweya ntchito, ali ndi chizolowezi kupanga intergranular ming'alu.Ntchito yodulira ikadali yabwino, ndipo machinability pambuyo pa annealing ndi otsika: kukana kwa dzimbiri sikwapamwamba, ndipo njira zochizira anodizing ndi penti zimagwiritsidwa ntchito nthawi zambiri kapena pamwamba pake amakutidwa ndi wosanjikiza aluminiyamu kuti apititse patsogolo kukana kwa dzimbiri.
2A16 Aluminium yozungulira bar
Mapangidwe a Chemical ndi Mechanical Property 1060
Al | Si | Cu | Mg | Zn | Mn | Ti | Ni | Fe+Ni | Fe |
余量 | ≤0.30 | 6.00-7.00 | ≤0.05 | ≤0.10 | 0.40-0.80 | 0.10-0.20 | --- | --- | ≤0.30 |
Tensile Strength (Mpa) | ≥355 |
yield strength (Mpa) | ≥235 |
EL(%) | ≥12% |
Kachulukidwe (g/cm³) | 2.68 |
Chemical yopangidwa ndi 2024 aluminiyamu ndodo
Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Al |
0.5↓ | 0.5↓ | 3.8-4.9 | 0.3-0.9 | 1.2-1.8 | 0.10↓ | 0.25↓ | 0.15↓ | 余量 |
Makina azitsulo za 2024 aluminiyamu ndodo
Kulimba kwamakokedwe | 0.2% imatulutsa mphamvu | Elongation | Kutopa mphamvu | Kuuma |
470MPa | 325MPa | 10% | 105MPa | 120HB |