Mafotokozedwe Akatundu
Zinthu zazikuluzikulu zopangira 6061 aluminiyamu ndodo ndi magnesium ndi silicon, ndikupanga gawo la Mg2Si.Ngati ili ndi kuchuluka kwa manganese ndi chromium, imatha kusokoneza zotsatira zoyipa zachitsulo;nthawi zina pang'ono mkuwa kapena nthaka anawonjezera kusintha mphamvu aloyi popanda kuchepetsa kwambiri dzimbiri kukana;padakali kachulukidwe kakang'ono ka conductive.Mkuwa kuti athetse mavuto a titaniyamu ndi chitsulo pamagetsi amagetsi;zirconium kapena titaniyamu amatha kuyenga mbewu ndikuwongolera mawonekedwe a recrystallization;pofuna kupititsa patsogolo machinability, lead ndi bismuth zitha kuwonjezeredwa.6061-T651 ndiye aloyi wamkulu wa 6 mndandanda aloyi, ndipo ndi apamwamba zitsulo zotayidwa aloyi mankhwala analandira kutentha kutentha ndi chisanadze kutambasula.Ngakhale mphamvu zake sizingafanane ndi mndandanda wa 2XXX ndi mndandanda wa 7XXX, magnesiamu ndi silicon alloys ali ndi makhalidwe ambiri ndi ntchito yabwino kwambiri yopangira zinthu zabwino kwambiri, makhalidwe abwino kwambiri a kuwotcherera ndi electroplating, kukana kwa dzimbiri, kulimba kwapamwamba komanso kusokonezeka pambuyo pokonza, zinthu zowuma popanda zolakwika komanso zosavuta kupukuta, filimu yosavuta kuyika, makutidwe ndi okosijeni wabwino kwambiri ndi zina zabwino kwambiri.
6063 aluminiyamu ndodo ndi otsika aloyi Al-Mg-Si mndandanda mkulu plasticity aloyi.Lili ndi zinthu zambiri zofunika:
1. Kulimbikitsidwa ndi chithandizo cha kutentha, kulimba kwamphamvu kwambiri, komanso kusamva kusowa.
2. Ndi thermoplasticity kwambiri, akhoza extruded pa liwiro mkulu mu mbiri zovuta, woonda-mipanda ndi dzenje mbiri kapena ananyezimira mu forgings ndi dongosolo zovuta, lonse quenching kutentha osiyanasiyana, otsika quenching tilinazo, pambuyo extrusion ndi forging demoulding, malinga ngati kutentha. ndi apamwamba kuposa kutentha kuzimitsa.Ikhoza kuzimitsidwa ndi madzi opopera kapena kulowa m'madzi.Zigawo zokhala ndi mipanda yoonda (6<3mm) zimathanso kuzimitsidwa.
3. Wabwino kuwotcherera ntchito ndi kukana dzimbiri, palibe nkhawa dzimbiri akulimbana chizolowezi.Pakati pazitsulo za aluminiyamu zowonjezera kutentha, ma alloys a Al-Mg-Si ndiwo okhawo omwe sanapeze kupsinjika kwa corrosion.
4. Pamwamba pambuyo pokonza ndi yosalala komanso yosavuta anodize ndi mtundu.
Chemical zikuchokera ndi katundu makina 6061 zotayidwa ndodo
Al | Si | Cu | Mg | Zn | Mn | Cr | Fe | Ti |
Chilolezo | 0.4-0.8 | 0.15-0.4 | 0.8-1.2 | 0.25 | 0.15 | 0.04-0.35 | 0.7 | 0.15 |
Kulimba kwamphamvu σb | ≥180MPa |
Mphamvu zokolola σ0.2 | ≥110MPa |
Elongation δ5 (%) | ≥14 |
Elasticity coefficient | 68.9 GPA |
Mphamvu yopindika yomaliza | 228 MPa |
Kukhala ndi Mphamvu Zokolola | 103 MPa |
Kutopa mphamvu | 62.1 MPa |
Kukula kwachitsanzo | awiri: ≤150 |
Chemical zikuchokera ndi katundu makina 6063 zotayidwa ndodo
Al | Si | Cu | Mg | Zn | Mn | Cr | Fe | Ti |
Chilolezo | 0.2-0.6 | 0.1 | 0.45-0.9 | 0.1 | 0.1 | 0.1 | 0.35 | 0.1 |
Tensile mphamvu σb (MPa) | 130-230 |
Mphamvu yayikulu kwambiri ya 6063 | 124 MPa |
Tensile zokolola mphamvu | 55.2 MPa |
Elongation | 25.0% |
Elasticity coefficient | 68.9 GPA |
Kukhala ndi Mphamvu Zokolola | 103 MPa |
Chiwerengero cha Poisson | 0.330 |
Kutopa mphamvu | 62.1 MPa |