Aluminium . nws yog lub teeb ci, muaj zog, thiab tsis muaj txiaj ntsig rau lub ntiaj teb ntawm aluminium alloys, ob lub npe nquag pop tuaj:6061thiab7075.
Thaum ob qho tib si yog nrov, lawv muaj cov yam ntxwv txawv uas ua rau lawv haum rau cov haujlwm sib txawv ntawm 6061 thiab 7075 aluminium {{4 4}}
Ua ntej, ib qho pib nrawm: dab tsi yog aluminium alloys?
Ntshiab txhuas yog cov mos mos .} Cov khoom sib xyaw ua ke, thiab kev ua haujlwm}}} cov ntsiab .
| Ib yam dhau ib yam | Thawj Xib Fwb united eling (s) | Cov yam ntxwv dav dav |
| 1XXX | 99.00% Min Aluminium | Zoo tshaj plaws corrosion kuj, kev ua haujlwm |
| 2XXX | Tooj Liab (Cu) | Siab lub zog, tshav kub-kho tau |
| 3xxx | Manganese (mn) | Zoo ua haujlwm, muaj zog nruab nrab |
| 4XXX | Silicon (si) | Txo melting point (vuam / brazing xov hlau) |
| 5xxx | Magnesium (mg) | Zoo weldability, marine corrosion tsis kam |
| 6xxx | Magnesium (MG) & silicon (Si) | Kev muaj lub zog zoo, Veldability, lub zog |
| 7XXX | Zinc (Zn) | Muaj zog heev, tshav kub-kho tau |
| 8XXX | Lwm Ntsiab Lus | Khoom Tshwj Xeeb Khoom |
Peb cov tsom kwm niaj hnub no yog nyob rau ntawm 6xxx thiab 7xxx series, tshwj xeeb 6061 thiab 7075.
Ntsib Cov Lus Sib Koom Tes: 6061 thiab 7075
Cia peb tau txais cov ntsiab lus ceev ceev ntawm txhua tus ua ntej dhia rau hauv nitty-gritty .
6061 Aluminium:
Feem ntau hu ua "Workhorse" Alloy . Nws paub rau nws cov khoom zoo tagnrho txhua yam.
Tseem ceeb alloying ntsiab:Magnesium (mg) thiab silicon (Si) .
7075 Alul0:
Qhov no yog qhov "Superstar" nyob rau hauv cov nqe lus ntawm lub zog . nws yog ib qho ntawm cov muaj zog aluminium alloys muaj .
Tseem ceeb alloying ntsiab:Zinc (ZN) yog qhov tseem ceeb, nrog ntxiv ntawm magnesium (mg) thiab tooj (CU).
Lub taub hau-rau-lub taub hau sib piv: {{{2} T 6 vs {{4 4} t6
"-T6" Tem yog qhov ntau rau ob qho tib si alloys, qhia tias lawv tau dawstshav kub kuband then artificially aged. This process significantly boosts their strength. Let's compare them in this popular state:
| Ntiag tug | 6061- t6 aluminium | 7075- t6 aluminium | Sau ntawv |
| Tensile Lub Zog (Qhov Kawg) | ~ 45, 000} psi (310 mpa) | ~ 83, 000} psi (572 mpa) | 7075 yog muaj zog heev . |
| Paib lub zog | ~ 40, {000 psi (276 mpa) | ~ 73, 000} psi (503 MPA) | 7075 muaj cov txiaj ntsig ntau tshaj tawm tau lub ntsiab lus . |
| Hardness (Brinell) | ~ 95 Hb | ~ 150 HB | 7075 yog kev txiav txim siab nyuaj rau . |
| Ceev | ~ 2.70 g / cm³ | ~ 2.81 g / cm³ | Zoo heev, 7075 yog me ntsis denser vim tias cov khoom hnyav dua (ZN, Cu). |
| Luam ntawv | Zoo | Zoo rau ncaj ncees | 7075 ua cov khoom zoo dua tab sis tuaj yeem ua kom muaj kev tsis txaus siab rau ntawm kev txua vim kev nyuaj siab. |
| Hwj txwv | Zoo heev (e {{{0} g .}, tig, Mig) | Pluag (feem ntau tsis pom zoo; nquag mus tawg) | Qhov tau txais txiaj ntsig loj rau 6061. |
| Corrosion Kuj | Zoo rau kev zoo heev | Ncaj Ncees (raug rau kev ntxhov siab corrosion tawg - SCC) | 6061 Muaj zoo dav dav corrosion tsis kam . |
| Formarity / Kev Ua Haujlwm | Zoo | Pluag (tshwj xeeb tshaj yog nyob rau hauv T6 npau taws; nquag mus tawg) | 6061 Yooj yim dua rau khoov thiab daim ntawv . |
| Kev Kho Tshav Kub Tshav Kub Kub | Tau | Tau | Ob qho tib si yog cua sov-kho tau rau ntau yam tempers . |
| Tus nqi | Tswj kav | Siab dua | 7075 feem ntau kim dua . |
| Hluav Taws Xob Kev Tshaj Tawm | ~ 43% IACS | ~ 33% IACs | 6061 yog cov hluav taws xob zoo dua . |
| Thermal conductivity | ~167 W/m-K | ~130 W/m-K | 6061 kev coj ua kom sov dua . |
(Nco tseg: Qhov tseem ceeb yog kwv yees thiab tuaj yeem sib txawv raws li qhov tseeb, kev ua, thiab daim ntawv .)
Sib sib zog nqus ntsaub mus rau hauv qhov sib txawv
Cia nthuav tawm ntawm qee qhov tseem ceeb tshaj plaws los ntawm lub rooj saum toj no:
{{0 {}} lub zog & hardness:
Qhov no yog qhov twg 7075 tiag ci . nws muaj zog ntau dua, tab sis nws tsis muaj zog nrog 7075 nyob rau hauv raw zog.
2. weldability:
Loj yeej rau 6061 ntawm no {. Nws yog qhov sib tw kub, yog qhov ua rau muaj lub zog yooj yim thaum muaj lub zog ua ke
{{03. corrosion resistance:
6061 feem ntau muaj qhov zoo dua tiv taus corrosion {{1} {{{{{{rau kev ua kom haum scc kuj, tab sis feem ntau ntawm me ntsistus nqimus rau lub zog ncov lub zog .
4. Daim ntawv muaj peev xwm:
Yog tias koj qhov project yuav tsum tau khoov, shaping, lossis cov qauv sib xyaw ua ke, yog qhov kev zam txim ntau dua yog tias tseem ceeb heev yog sim ua.
5. tus nqi:
Qhov chaw zoo tshaj ntawm 7075 tuaj ntawm tus nqi. Nws yog feem ntau kim dua 6061 vim nws cov khoom siv ua ke thiab feem ntau ua kev ua tiav {}}
Daim ntawv thov Faib: Qhov twg lawv ua tau zoo?
Qhov sib txawv ntawm cov khoom lag luam ib txwm ua rau cov ntawv siv sib txawv:
| Ua kom pom tseeb | 6061 AluminiumCov Ntawv Thov | 7075 Aluminium daim ntawv thov |
| Zoo tag nrho cov kev ua tau zoo, weldability, muaj meej | Cov txheej txheem txheej txheem (thav duab thav duab, cov thav duab tsheb, cov tsheb thauj khoom, rooj tog, kev tsheb tog, dav dav} | Siab zog-rau-qhov hnyav piv, siv kev ntxhov siab ntxhov siab:Kev Tsim Kho Aerospace (Wardenages Tis, Fuselages), Cov Khoom Siv Hluav Taws Xob, Cov Hluav Taws Xob Cov Hluav Taws Xob, Pwm, Cov Zog Hluav Taws Xob, Cov Zog Hluav Taws Xob, Cov Khoom Siv Hluav Taws Xob thiab Gears} |
Yog li, qhov twg koj yuav tsum xaiv?
Tsis muaj ib qho "zoo dua" . Txoj kev xaiv zoo tshaj plaws yog nyob ntawm koj qhov project qhov kev xav tau {}}
Xaiv 6061 Aluminium yog:
Koj xav tau lub zog zoo tag nrho tab sis tsis yog qhov siab tshaj plaws .
Weldability yog qhov tseem ceeb .
Qhov feem xav tau tsim los yog khoov .
Zoo corrosion kuj yog ib qho tseem ceeb uas tsis muaj kev kho mob tshwj xeeb .
Peev nyiaj yog qhov kev txiav txim siab tseem ceeb .
Nws yog rau cov kev siv dav dav hom phiaj .
Xaiv 7075 Aluminium yog:
Siab tshaj plaws lub zog-rau-hnyav piv yog qhov tseem ceeb tshaj plaws tseem ceeb tshaj plaws.
Qhov feem yuav raug rau kev ntxhov siab heev .
Vuam tsis tas yuav, lossis lwm txoj hauv kev yog siv .
Kev sib sau yog tsawg kawg lossis tsis tas yuav .
Koj tuaj yeem tswj hwm nws txoj kev txhim kho kev ua kom zoo (e {{{} g .}, los ntawm cov txheej txheej tshwj xeeb).
Tus nqi yog theem nrab rau kev ua tiav .
Tag
Nkag siab txog tus cwj pwm txawv ntawm 6061 thiab 7075 txhuas yog qhov tseem ceeb ntawm cov khoom, zoo nkauj rau cov khoom siv muaj zog, zoo kawg li cov khoom siv uas txhua ooj thiab psi suav {}}
Los ntawm ua tib zoo xav txog koj qhov project cov neeg kho tshuab xav tau, kev tsim kho kab ke, kev txhawb siab, koj tuaj yeem tsim txiaj ntsig zoo rau txoj haujlwm .