Cov lus piav qhia ntxaws txog cov yam ntxwv sib xyaw thiab kev siv ntawm 1XXX rau 8XXX Series Aluminium Alloys

 

I. Txheej txheem cej luam ntawm Aluminium Alloys

 

Lub ntsiab lus ntawm Aluminium Alloy

Aluminium alloy yog cov khoom siv raws li txhuas, tsim los ntawm kev ntxiv qee qhov ntawm lwm cov alloying ntsiab xws li tooj liab, manganese, silicon, magnesium, zinc, thiab lwm yam. Nrog rau qhov sib ntxiv ntawm cov ntsiab lus alloying, aluminium alloys tswj cov khoom tseem ceeb ntawm txhuas xws li Lub teeb yuag, zoo heev hluav taws xob thiab thermal conductivity, thaum tseem muaj zog dua, zoo dua casting thiab kev ua tau zoo, thiab superior corrosion kuj.

 

Classification ntawm Aluminium Alloys

Aluminium alloys feem ntau muab faib ua ob pawg raws li muaj pes tsawg leeg thiab kev ua haujlwm: wrought aluminium alloys thiab casting aluminium alloys.

 

Wrought Aluminium Alloys

Cov hlau no tau ua tiav los ntawm cov txheej txheem yas deformation xws li dov, extrusion, kos duab, thiab forging los tsim cov khoom ntawm ntau yam duab. Wrought aluminium alloys muaj cov khoom siv zoo thiab kev ua haujlwm thiab tau siv dav hauv aerospace, tsheb thauj mus los, thiab kev tsim kho.

 

Casting Aluminium Alloys

Cov alloys yog melted thiab ncaj qha cam khwb cia rau hauv ntau yam blanks, muaj zoo heev casting zog thiab fluidity. Casting aluminium alloys yog tsim rau kev tsim complex-puab thiab nyias-walled qhov chaw.

 

Txheej txheem cej luam ntawm 1XXX rau 8XXX Series Aluminium Alloys

Raws li cov qauv thoob ntiaj teb, aluminium alloys tau muab faib ua 1XXX rau 8XXX series, txhua tus muaj cov yam ntxwv tshwj xeeb thiab kev ua haujlwm zoo:

 

1XXX Series

Ntshiab aluminium, muaj ntau dua 99.00% txhuas, muaj qhov zoo tshaj plaws hluav taws xob thiab thermal conductivity thiab zoo corrosion kuj, tab sis kuj tsis tshua muaj zog.

 

2 XXX Series

Feem ntau alloyed nrog tooj liab, cov no muaj lub zog siab tab sis tsis zoo corrosion kuj, feem ntau yog siv hauv kev lag luam aerospace.

 

3XXX Series

Feem ntau alloyed nrog manganese, cov no muaj xeb kuj zoo thiab kev ua tau zoo, feem ntau siv hauv kev kho kom zoo nkauj architectural thiab cov khoom siv tshuaj.

 

4XXX Series

Feem ntau alloyed nrog silicon, cov no muaj lub zog siab thiab zoo vuam kev ua tau zoo, haum rau welded qauv.

 

5XXX Series

Thawj feem ntau muaj cov hlau nplaum, cov no muaj qhov ntom ntom me me thiab muaj zog, feem ntau siv hauv nkoj thiab tsheb qauv.

 

6 XXX Series

Feem ntau alloyed nrog magnesium thiab silicon, cov no muaj kev ua tau zoo thiab vuam kev ua tau zoo, dav siv hauv cov khoom siv.

 

7XXX Series

Feem ntau alloyed nrog zinc, cov no muaj lub zog siab tshaj plaws tab sis tsis zoo corrosion kuj, feem ntau yog siv rau ultra-high-strength qauv.

 

8XXX Series

Muaj lwm yam alloying ntsiab xws li lithium, hlau, thiab lwm yam., cov no muaj cov khoom tshwj xeeb xws li siab rigidity thiab zoo kub kuj.

 

Daim ntawv thov dav thiab cov yam ntxwv ntawm cov ntaub ntawv aluminium alloy ua rau lawv tseem ceeb hauv kev lag luam niaj hnub no. Raws li kev siv thev naus laus zis thiab kev xav tau ntawm cov khoom siv tau nce ntxiv, kev tshawb fawb thiab kev siv cov aluminium alloys yuav txuas ntxiv mus ntxiv, nthuav lawv cov ntawv thov thoob plaws ntau qhov chaw.

 

▲ Aluminium Element

 

 

II Cov yam ntxwv thiab kev siv ntawm 1XXX Series Aluminium Alloys

 

Chemical Composition thiab Physical Properties

Lub 1XXX series aluminium alloys, paub txog lawv qhov siab tshaj plaws purity ntawm aluminium alloys, feem ntau muaj txhuas nrog cov ntsiab lus ntawm 99.00% lossis siab dua. Cov koob no feem ntau yog sawv cev los ntawm cov qib xws li 1050, 1070, thiab 1100. Cov alloys muaj cov khoom siv hluav taws xob zoo heev, thermal conductivity, thiab corrosion kuj ntawm lub cev. Vim lawv cov purity siab, 1XXX series aluminium alloys muaj qhov ntom ntom, feem ntau nyob ib ncig ntawm 2.7 g / cm³, ua rau lawv muaj txiaj ntsig zoo hauv cov ntawv thov xav tau cov ntaub ntawv sib zog.

 

Cov hluav taws xob thiab thermal conductivity ntawm 1XXX series aluminium alloys tuaj yeem ncav cuag li 61% thiab 50% ntawm International Annealed Copper Standard (IACS), feem. Qhov no ua rau lawv nrov hauv kev tsim hluav taws xob cable thiab cov khoom siv hluav taws xob kub. Ntxiv mus, qhov corrosion kuj ntawm 1XXX series aluminium alloys feem ntau yog los ntawm cov yeeb yaj kiab oxide tuab tsim rau ntawm lawv qhov chaw, tiv thaiv kev tiv thaiv ntxiv oxidation thiab corrosion.

 

▲ 1000 Series Alloy System

 

Formability thiab Surface Treatment

Lub 1XXX series txhuas alloys pom zoo formability, uas yog ntaus nqi rau lawv cov melting point thiab zoo plasticity. Lawv tuaj yeem ua tiav rau hauv daim hlau, raj, tuav, thiab ntau dua los ntawm ntau txoj kev ua yas xws li dov, extrusion, thiab ncab. Thaum lub sij hawm tsim cov txheej txheem, 1XXX series txhuas alloys muaj qhov tsawg kawg nkaus springback, tso cai rau kev tswj cov duab yooj yim thiab tsim nyog rau kev tsim khoom.

 

Nyob rau hauv cov nqe lus ntawm kev kho deg, 1XXX series txhuas alloys tuaj yeem kho los ntawm anodizing, electroplating, thiab tshuaj tsuag kom ua tiav qhov kev xav tau thiab kev ua haujlwm. Anodizing yog txoj kev kho saum npoo feem ntau, uas tsis yog tsuas yog txhim kho cov khoom siv corrosion kuj, tab sis kuj tso cai rau ntau yam xim, ua kom nws cov hniav zoo nkauj. Kev kho deg versatility ntawm 1XXX series txhuas alloys suav nrog tshuaj etching, polished nto, matte tiav, thiab ntau dua, catering rau txawv daim ntawv thov scenarios.

 

Lub formability thiab kev kho deg muaj peev xwm ntawm 1XXX series aluminium alloys tau coj mus rau lawv cov ntawv thov dav hauv cov teb xws li kev kho vaj tse, khoom siv hluav taws xob, thiab kev tsim tsheb. Piv txwv li, 1100-qib aluminium alloy, paub txog nws cov formability zoo thiab kev kho deg, feem ntau yog siv los tsim cov kaus poom dej haus thiab cov khoom ntim khoom noj. Qib xws li 1050 thiab 1070 feem ntau siv rau hauv kev tsim cov cable sheaths thiab cov vaj huam sib luag zoo nkauj.

 

▲ Aluminium Khoom thiab Cheebtsam

 

 

III Cov yam ntxwv thiab kev siv ntawm 2XXX Series Aluminium Alloys

 

Chemical Composition thiab Physical Properties

Lub 2XXX series aluminium alloys siv tooj liab ua lub ntsiab alloying, nrog cov ntsiab lus tooj liab feem ntau nyob ntawm 3% thiab 5%. Cov qhab nia sawv cev suav nrog xyoo 2014 thiab 2024. Cov khoom siv lub cev ntawm cov koob no yog cov yam ntxwv ntawm lawv lub zog siab thiab ua haujlwm tau zoo. Qhov ceev ntawm 2XXX series txhuas alloys yog hais txog 2.78 g / cm³, me ntsis siab dua li ntawm 1XXX series alloys, tab sis nrog ib tug tseem ceeb nce nyob rau hauv lub zog, nrog rau qhov kawg tensile zog (\(\sigma_b\)) qhov tseem ceeb nce mus txog 400 MPa.

 

2XXX series aluminium alloys nthuav tawm cov txiaj ntsig tseem ceeb los ntawm cov txheej txheem kho cua sov. Los ntawm kev daws kev kho mob thiab kev laus kev kho mob, lawv cov khoom siv kho tshuab tuaj yeem txhim kho ntxiv. Kev kho mob tuaj yeem ua kom lub zog ntawm cov hlau mus rau qib uas tuaj yeem tshaj li ntawm cov hlau tsis muaj cov pa roj carbon tsawg, thaum kev laus kev kho mob ntxiv boosts lub zog tawm los ntawm nag lossis daus hardening mechanism, tab sis qhov no yuav txo tau ductility.

 

Hais txog hluav taws xob thiab thermal conductivity, 2XXX series aluminium alloys tsis zoo li 1XXX series, tab sis lawv tseem tuav cov khoom zoo ntawm cov ntaub ntawv txhuas. Lawv cov hluav taws xob conductivity tuaj yeem ncav cuag li 40% ntawm International Annealed Copper Standard (IACS). Tsis tas li ntawd, 2XXX series aluminium alloys muaj lub zog ua haujlwm hardening, uas tso cai rau lawv lub zog ntxiv los ntawm kev ua haujlwm txias.

 

▲ 2000 Series Alloy System

 

Hardness thiab Corrosion Resistance

Lub 2XXX series aluminium alloys muaj cov hardness siab heev vim qhov sib ntxiv ntawm tooj liab thiab ntxiv dag zog rau cov khoom siv. Qhov kev nyuaj siab no ua rau 2XXX series alloys ua tau zoo tshwj xeeb hauv kev tsim khoom ntawm cov khoom siv rau cov khoom hnyav, xws li cov qauv ntawm cov dav hlau. Txawm li cas los xij, qhov nce hauv hardness feem ntau nrog rau kev txo qis hauv kev tiv thaiv corrosion, thiab corrosion kuj ntawm 2XXX series alloys tsis zoo li ntawm 1XXX lossis 3XXX series.

 

Nyob rau hauv cov nqe lus ntawm corrosion kuj, 2XXX series alloys raug cuam tshuam rau intergranular corrosion, tshwj xeeb tshaj yog thaum vuam los yog kev kho cua sov txheej txheem. Txhawm rau txhim kho corrosion kuj, kev tiv thaiv tshwj xeeb yog xav tau thaum lub sijhawm ua haujlwm thiab siv 2XXX series alloys, xws li siv cov txheej txheem vuam tshwj xeeb lossis kev kho cua sov kom tsim nyog.

 

Txawm hais tias muaj kev txwv hauv kev tiv thaiv corrosion, 2XXX series aluminium alloys muaj qhov zoo tsis tuaj yeem hloov pauv hauv cov ntawv thov tshwj xeeb. Piv txwv li, 2024 alloy yog dav siv nyob rau hauv aviation Cheebtsam xws li aircraft tis spars thiab cav pistons vim nws siab zog thiab zoo machinability. Tsis tas li ntawd, 2XXX series alloys kuj tau siv dav hauv kev tsim cov tsheb ciav hlau ceev, cov khoom siv tsheb, thiab lwm yam khoom lag luam uas xav tau lub zog siab thiab ua haujlwm zoo.

 

▲ 2XXX series txhuas alloys khoom

 

 

IV Cov yam ntxwv thiab kev siv ntawm 3XXX Series Aluminium Alloys

 

Chemical Composition thiab Physical Properties

Lub 3XXX series aluminium alloys siv manganese ua lub ntsiab alloying, nrog rau cov ntsiab lus manganese xws li 1.0% mus rau 1.5%. Cov neeg sawv cev qib suav nrog 3003 thiab 3105. Qhov ntom ntawm 3XXX series aluminium alloys yog kwv yees li 2.7 g / cm³, zoo ib yam li ntawm 1XXX series, tab sis lawv muaj zog dua, nrog lub zog tensile kawg (\(\sigma_} b\)) tus nqi nce mus txog 200-300 MPa.

 

Lub cev muaj zog ntawm 3XXX series alloys feem ntau yog cov yam ntxwv los ntawm lawv cov kev ua haujlwm zoo los tiv thaiv xeb thiab ua haujlwm tau zoo. Qhov sib ntxiv ntawm manganese ho txhim khu lub alloy qhov corrosion kuj thaum tswj lub teeb yuag ntawm txhuas cov ntaub ntawv. Txawm hais tias cov hluav taws xob thiab thermal conductivity ntawm 3XXX series tsis siab npaum li 1XXX series, lawv tseem khaws cov khoom zoo ntawm cov ntaub ntawv txhuas, nrog cov hluav taws xob conductivity txog li 30% ntawm International Annealed Copper Standard (IACS).

 

3XXX series alloys tuaj yeem ua haujlwm tau zoo thiab tuaj yeem ua tiav rau hauv nplooj ntawv, raj, pas nrig, thiab lwm yam, los ntawm dov, extrusion, thiab lwm yam. Tsis tas li ntawd, 3XXX series alloys muaj qhov zoo tshaj plaws weldability thiab haum rau ntau yam txheej txheem vuam.

 

▲ 3000 Series Alloy System

 

Anti-xeb muaj nuj nqi thiab daim ntawv thov teb

Kev tiv thaiv xeb ua haujlwm ntawm 3XXX series aluminium alloys feem ntau yog vim qhov sib ntxiv ntawm manganese, uas cuam tshuam zoo corrosion kuj nyob rau hauv ib puag ncig. Nyob rau hauv qhov chaw ntub dej lossis tshuaj lom neeg corrosive, qhov kev tiv thaiv corrosion ntawm 3XXX series alloys zoo dua li ntawm 1XXX thiab 2XXX series, tab sis kev tiv thaiv tseem xav tau los tiv thaiv corrosion.

 

3XXX series aluminium alloys yog dav siv hauv kev kho kom zoo nkauj hauv tsev, khoom siv tshuaj, khoom noj khoom haus, thiab kev tsim nkoj, thiab lwm yam. Piv txwv li, 3003 alloy, paub txog nws cov khoom zoo tiv thaiv xeb thiab ua haujlwm tau zoo, feem ntau yog siv los tsim cov kaus poom dej haus, cov khoom ntim khoom noj, thiab cov vaj tsev zoo nkauj. Tsis tas li ntawd, 3XXX series alloys yog tsim rau kev tsim cov tso tsheb hlau luam thiab cov thawv rau cov khoom ua kua, cov khoom siv hauv tsev, cov cuab yeej siv, thiab ntau yam teeb pom kev zoo.

 

Hauv kev lag luam tsheb, 3XXX series aluminium alloys yog siv rau kev tsim tsheb lub cev qhov chaw, radiators, thiab lwm yam, vim lawv qhov hnyav thiab ua haujlwm tau zoo. Hauv thaj chaw aerospace, 3XXX series alloys kuj tseem siv los tsim qee cov qauv tsis tseem ceeb, xws li cov kab roj.

 

Kev ua haujlwm los tiv thaiv xeb thiab ntau daim ntawv thov kev lag luam ntawm 3XXX series aluminium alloys ua rau lawv cov khoom siv tsis tau hauv kev tsim khoom. Nrog rau kev txhim kho thev naus laus zis thiab kev nce hauv daim ntawv thov xav tau, kev siv thev naus laus zis thiab daim ntawv thov ntawm 3XXX series aluminium alloys yuav txuas ntxiv nthuav dav thiab ua kom zoo dua.

 

▲ 3XXX series txhuas alloys khoom

 

 

V yam ntxwv thiab kev siv ntawm 4XXX Series Aluminium Alloys

 

Chemical Composition thiab Physical Properties

Lub 4XXX series aluminium alloys siv silicon ua lub ntsiab alloying, nrog cov ntsiab lus silicon feem ntau yog li ntawm 4.5% mus rau 13.5%. Cov qib sawv cev suav nrog 4032 thiab 4047. Qhov ntom ntawm 4XXX series aluminium alloys yog li 2.7 g / cm³, zoo ib yam li 1XXX thiab 3XXX series, tab sis muaj zog dua thiab hardness, nrog lub zog tensile kawg (\(\sigma{12}) }b\)) tus nqi nce mus txog 200-350 MPa.

 

Lub cev muaj zog ntawm 4XXX series alloys yog qhov tshwj xeeb ntawm lawv cov ntsiab lus melting siab dua thiab kev ua haujlwm vuam zoo heev. Qhov sib ntxiv ntawm silicon ho nce lub melting point ntawm lub alloy, muab zoo thermal stability thaum lub vuam txheej txheem. Tsis tas li ntawd, txawm hais tias cov thermal conductivity thiab hluav taws xob conductivity ntawm 4XXX series tsis siab npaum li cov 1XXX series, lawv tseem tuav cov khoom zoo tshaj ntawm cov ntaub ntawv txhuas.

 

4XXX series alloys muaj kev ua haujlwm zoo thiab tuaj yeem ua tiav rau hauv ntau yam duab los ntawm kev kub dov, txias dov, extrusion, thiab lwm yam. Qhov sib ntxiv ntawm silicon kuj tseem txhim kho qhov hnav tsis kam thiab hardness ntawm 4XXX series alloys, ua rau lawv tsim nyog rau kev tsim khoom uas yuav tsum hnav.

 

 

▲ 4000 Series Alloy System

 

Solidification yam ntxwv thiab kub ua hauj

Cov yam ntxwv solidification thiab kub tsis kam ntawm 4XXX series txhuas alloys yog ze ze rau lawv cov tshuaj muaj pes tsawg leeg. Qhov sib ntxiv ntawm silicon tsis tsuas yog ua kom cov hlau nplaum melting point tab sis kuj txhim kho nws cov stability ntawm qhov kub thiab txias. Thaum lub sij hawm ua cov txheej txheem solidification, silicon nyiam ua kom muaj txiaj ntsig ntawm cov ciam teb, uas yuav pab ua kom cov qauv ntawm cov nplej, txhim kho cov thermal stability thiab kub tsis kam ntawm cov khoom.

 

Lub tshav kub tsis kam ntawm 4XXX series alloys feem ntau yog vim lawv lub peev xwm los tiv thaiv oxidation thiab corrosion ntawm qhov kub thiab txias. Nyob rau hauv ib puag ncig kub, oxide zaj duab xis tsim nyob rau saum npoo ntawm 4XXX series alloys tiv thaiv cov khoom ntawm oxidation thiab corrosion ntxiv, ua kom lub neej ntev kev pab cuam nyob rau hauv high-temperature daim ntaub ntawv.

 

Daim ntawv thov teb ntawm 4XXX series aluminium alloys feem ntau yog tsom rau cov xwm txheej uas xav tau kev ua haujlwm vuam zoo thiab kev kub siab. Piv txwv li, hauv kev lag luam automotive, 4XXX series alloys yog siv los tsim cov khoom siv cav thiab cov pa tawm, uas raug rau qhov kub thiab txias. Tsis tas li ntawd, 4XXX series alloys kuj tsim nyog rau kev ua cov dab dej kub rau cov khoom siv hluav taws xob, thiab cov kav dej thiab cov thawv rau cov khoom siv tshuaj.

 

Nrog rau kev nce qib ntawm kev lag luam thev naus laus zis, kev siv ntawm 4XXX series aluminium alloys kuj tseem nthuav dav hauv high-end teb xws li lub zog tshiab thiab aerospace. Lawv cov cua sov ua haujlwm zoo heev thiab kev ua haujlwm vuam ua rau lawv cov ntaub ntawv tseem ceeb hauv cov cheeb tsam no.

 

▲ 4XXX series txhuas alloys khoom

 

 

VI Cov yam ntxwv thiab kev siv ntawm 5XXX Series Aluminium Alloys

 

Chemical Composition thiab Physical Properties

Lub 5XXX series aluminium alloys yog tus cwj pwm los ntawm lawv cov ntsiab lus magnesium, feem ntau yog li ntawm 3% mus rau 5%. Cov qib sawv cev suav nrog 5005, 5052, thiab 5083. Cov alloys no muaj qhov ntom ntom, feem ntau ntawm 2.68-2.80 g / cm³, ua rau lawv zoo tagnrho rau kev tsim lub teeb. Lawv cov ntsiab lus melting tsawg yog qhov zoo rau kev casting thiab vuam. 5XXX series alloys pom zoo formability, weldability, thiab nruab nrab lub zog. Qhov sib ntxiv ntawm magnesium ho txhim kho lub zog ntawm cov hlau thaum tswj qhov qis qis, uas ua rau lawv nrov rau kev siv cov qauv.

 

Tsis tas li ntawd, 5XXX series alloys muaj kev tiv thaiv zoo corrosion, tshwj xeeb tshaj yog nyob rau hauv marine ib puag ncig, ua tsaug rau magnesium cov nyhuv ntawm kev txhim kho cov khoom corrosion. Txawm hais tias lawv cov hluav taws xob thiab thermal conductivity tsis siab npaum li 1XXX series alloys, lawv tseem muaj cov khoom zoo heev rau cov ntaub ntawv txhuas, nrog cov hluav taws xob conductivity txog li 35% ntawm International Annealed Copper Standard (IACS). Thaum cov teebmeem kev kho cua sov tsis tau hais tawm raws li hauv 2XXX thiab 7XXX series, kev kho cua sov tsim nyog tuaj yeem txhim kho lawv cov khoom siv kho tshuab.

 

▲ 5000 Series Alloy System

 

Lub teeb yuag thiab cov yam ntxwv muaj zog

Cov yam ntxwv sib sib zog nqus ntawm 5XXX series aluminium alloys ua rau lawv siv dav hauv kev thauj mus los, tshwj xeeb tshaj yog nyob rau hauv tsheb thiab nkoj tsim kev lag luam. Vim yog lawv qhov chaw ntov qis thiab cov khoom siv zoo, cov ntaub ntawv no tau siv los tsim cov tsheb tsav tsheb, thiab nkoj hull cov qauv los txo qhov hnyav thiab txhim kho kev ua haujlwm hnyav. Lawv cov yam ntxwv muaj zog muaj zog kuj tseem muaj txiaj ntsig zoo hauv cov ntawv thov uas xav tau ntau dua cov peev txheej thauj khoom. Piv txwv li, 5052 alloy, paub txog nws qhov zoo weldability thiab nruab nrab lub zog, yog dav siv los tsim cov nkoj, tsheb cov qauv, thiab cov hlab ntsha siab. 5083 alloy, nrog lub zog siab dua thiab zoo heev corrosion kuj, feem ntau yog siv rau marine structural Cheebtsam thiab qhov chaw rau cov khoom siv thauj mus los.

 

Kev sib xyaw ua ke ntawm cov yam ntxwv ntawm lub teeb yuag thiab lub zog siab, nrog rau kev ua haujlwm zoo thiab kev sib txuas, ua rau 5XXX series aluminium alloys tseem ceeb hauv kev lag luam niaj hnub no. Raws li kev xav tau ntawm cov khoom siv hnyav thiab ib puag ncig zoo nce ntxiv, daim ntawv thov ntawm 5XXX series aluminium alloys yuav txuas ntxiv nthuav dav, tshwj xeeb tshaj yog nyob rau hauv tsheb teeb, aerospace, thiab kev thauj mus los.

 

▲ 5XXX series txhuas alloys khoom

 

 

VII Cov yam ntxwv thiab kev siv ntawm 6XXX Series Aluminium Alloys

 

Chemical Composition thiab Physical Properties

Lub 6XXX series txhuas alloys, nrog magnesium thiab silicon raws li lawv cov ntsiab alloying, yog cov cua sov-kho tau thiab muab cov machinability zoo thiab weldability. Cov qib sawv cev suav nrog 6061, 6063, thiab 6082. Cov tshuaj muaj pes tsawg leeg ntawm cov alloys feem ntau muaj 0.5% mus rau 1.0% magnesium thiab 0.2% mus rau 0.6% silicon. Tsis tas li ntawd, cov lej ntawm tooj liab, manganese, chromium, thiab lwm yam tuaj yeem suav nrog txhawm rau txhim kho cov khoom hlau.

 

Qhov ceev ntawm 6XXX series alloys yog hais txog 2.7 g / cm³, zoo ib yam li ntawm 1XXX thiab 3XXX series, tab sis muaj zog dua thiab hardness, nrog tensile zog qhov tseem ceeb (σb) ncav cuag 240-280 MPa. Los ntawm cov kev kho cua sov uas tsim nyog, xws li kev kho tshuaj kho thiab kev laus, cov khoom siv hluav taws xob ntawm cov alloys tuaj yeem txhim kho tau zoo. Txawm hais tias cov hluav taws xob thiab thermal conductivity ntawm 6XXX series tsis siab npaum li 1XXX series, lawv tseem khaws cov khoom zoo heev ntawm cov ntaub ntawv txhuas.

 

▲ 6000 Series Alloy System

 

Machinability thiab Corrosion Resistance

Lub 6XXX series txhuas alloys nthuav tawm zoo heev machinability thiab tuaj yeem ua tiav rau hauv nplooj ntawv, raj, tuav, thiab cov ntaub ntawv los ntawm ntau txoj hau kev yas deformation. Lawv cov machinability zoo tshaj plaws yog vim yog cov khoom siv ntxiv dag zog ntawm magnesium thiab silicon, nrog rau cov nag lossis daus ntxiv zog tau los ntawm kev kho cua sov.

 

Kev tiv thaiv corrosion ntawm 6XXX series alloys kuj zoo heev, thiab nws tuaj yeem txhim kho ntxiv tom qab kev kho cua sov. Cov hlau no muaj kev ruaj ntseg zoo hauv ib puag ncig ntuj thiab ntau yam tshuaj lom neeg. Ntxiv mus, 6XXX series alloys muaj qhov zoo ntawm qhov chaw kho mob, tso cai rau anodizing, electroplating, thiab pleev xim kom ua tiav qhov kev xav tau thiab kev ua haujlwm.

 

6XXX series aluminium alloys yog dav siv hauv aerospace, tsheb thauj mus los, cov cuab yeej siv tshuab, thiab cov qauv tsim. Piv txwv li, 6061 alloy yog siv dav rau cov khoom siv dav hlau, cov khoom siv tsheb, thiab cov tsheb kauj vab vim nws lub zog siab, zoo toughness, thiab zoo heev weldability. 6063 alloy, nrog nws cov machinability zoo thiab qhov chaw kho mob, feem ntau yog siv rau kev tsim cov qhov rooj, qhov rais, rooj tog zaum, thiab cov khoom vaj khoom tsev.

 

Raws li qhov kev thov rau cov ntaub ntawv kev ua tau zoo nce ntxiv, cov hlau tsim thiab kev siv thev naus laus zis ntawm 6XXX series aluminium alloys txuas ntxiv hloov mus ua kom tau raws li qhov yuav tsum tau ua rau kev ua haujlwm siab aluminium alloys hauv ntau daim ntawv thov.

 

▲ 6XXX series txhuas alloys khoom

 

 

VIII Cov yam ntxwv thiab kev siv ntawm 7XXX Series Aluminium Alloys

 

Chemical Composition thiab Physical Properties

7XXX series aluminium alloys muaj npe nrov rau lawv lub zog siab tshaj plaws thiab kev ua haujlwm zoo heev, nrog cov tshuaj lom neeg feem ntau suav nrog cov ntsiab lus xws li zinc, magnesium, thiab tooj liab. Cov neeg sawv cev qib suav nrog 7075 thiab 7050. Cov alloys no muaj qhov ntom ntom ntawm kwv yees li 2.8 g / cm³, thiab lawv lub zog tuaj yeem tshaj lub zog tensile (σb) tus nqi ntawm 500 MPa, ua rau lawv muaj zog tshaj txhuas alloys muaj.

 

▲ 7000 Series Alloy System

 

Ultra-Hard yam ntxwv thiab kev siv dav hlau

Cov yam ntxwv tshwj xeeb ntawm 7XXX series aluminium alloys feem ntau yog vim cov khoom siv ntxiv dag zog thiab lub hnub nyoog hardening los ntawm lawv cov ntsiab lus alloying. Tom qab kev daws teeb meem, cov ntsiab lus zoo li zinc thiab magnesium tsim cov khoom siv hauv cov txhuas matrix, ua kom cov khoom muaj zog. Tom qab kev laus kev kho mob ntxiv txhim kho lub zog tawm los thiab lub zog tensile los ntawm nag lossis daus hardening mechanisms. 7XXX series aluminium alloys yog dav siv hauv kev lag luam aerospace, feem ntau rau kev tsim cov khoom siv dav hlau xws li tis spars, fuselage thav duab, thiab tsaws iav. Cov Cheebtsam no yuav tsum muaj zog heev thiab zoo toughness los tiv thaiv ntau yam loads ntsib thaum takeoff thiab davhlau. Lub zog siab thiab kev ua haujlwm zoo heev ntawm 7XXX series aluminium alloys ua rau lawv nyiam cov ntaub ntawv hauv kev lag luam aerospace.

 

▲ 7XXX series txhuas alloys khoom

 

 

VIIII Cov yam ntxwv thiab kev siv ntawm 8XXX Series Aluminium Alloys

 

Chemical Composition thiab Physical Properties

Lub 8XXX series aluminium alloys yog ib pab pawg sib txawv ntawm cov alloys uas suav nrog cov tshuab uas tsis yog 1 txog 7 series. Cov alloys feem ntau muaj cov khoom tshwj xeeb xws li lithium thiab hlau, uas muab cov khoom tshwj xeeb rau lawv. Tus neeg sawv cev qib yog 8011. Cov tshuaj muaj pes tsawg leeg ntawm 8XXX series aluminium alloys muaj ntau yam thiab tuaj yeem hloov kho kom ua tiav cov khoom xav tau. Piv txwv li, aluminium alloys muaj lithium muaj qhov qis dua thiab siab dua classic modulus, thaum cov uas muaj hlau taws zoo thiab oxidation tsis kam.

 

Daim ntawv thov

Vim lawv cov yam ntxwv tshwj xeeb, 8XXX series aluminium alloys, thaum tsis siv dav li lwm cov koob, ua lub luag haujlwm tseem ceeb hauv cov ntawv thov tshwj xeeb. Cov alloys no feem ntau yog siv los tsim cov ntawv txhuas rau cov khoom ntim khoom noj, ntim tshuaj, thiab lwm yam kev siv. Hauv kev lag luam uas xav tau cov khoom tshwj xeeb, xws li qhov kub thiab txias ib puag ncig lossis cov khoom siv tshuaj tshwj xeeb, 8XXX series aluminium alloys yuav raug xaiv.

 

▲ 8000 Series Alloy System