GNEE 6061 txhuas (Al 6061) yog siv dav los nag los-hardened aluminium alloy, muaj nuj nqis rau nws cov khoom siv zoo heev, weldability, thiab siab zog- rau - hnyav piv. Nrog ntau qib thiab tempers muaj, nws yog ib qho ntawm ntau yam dav dav -lub hom phiaj aluminium alloys. Ntawm no, peb muab cov ncauj lus kom ntxaws sib piv ntawm ob qhov kev kub ntxhov: GNEE 6061-T6 thiab GNEE 6061-T651, tsom rau cov khoom siv kho tshuab, kev ua haujlwm, thiab kev siv.
Nkag siab GNEE 6061 thiab Nws Tempers
Al 6061 yog ib qho txhuas -magnesium- silicon alloy, thiab nws cov tempers ntau yam tshwm sim los ntawm kev kho cua sov sib txawv thiab cov txheej txheem txias. Cov tempers no cuam tshuam cov yam ntxwv ntawm kev ua tau zoo, raws li tau hais los ntawm cov qauv xws li ANSI H35.1/H35.1(M).
Ob lub tempers uas nquag siv yog GNEE 6061-T6 thiab GNEE 6061-T651.
GNEE 6061-T6
T6 temper yog ib qho uas nquag siv GNEE 6061 qib. Nws cov txheej txheem suav nrog peb kauj ruam tseem ceeb:
Kev kho cua sov:Lub alloy yog rhuab mus rau ~ 550℃los tsim ib homogeneous tov ntawm alloying ntsiab.
Quenching:Kev txias nrawm (feem ntau hauv dej) 'freezes' cov tshuaj, tiv thaiv nag lossis daus ntxov.
Artificial Aging:Cov khoom yog rhuab mus rau ~ 177℃rau 6-10 teev kom induce tswj nag lossis daus ntawm alloying ntsiab, nce hardness thiab toughness, ua raws li los ntawm maj mam txias rau chav tsev kub.
Pros:
Siab tensile zog (~ 290 MPa)
Zoo heev corrosion kuj
Zoo thermal conductivity
Haum rau aerospace thiab automotive structural Cheebtsam
Cons:
Residual stresses los ntawm quenching yuav ua rau warping los yog distortion thaum machining
Vuam tuaj yeem cuam tshuam lub zog hauv tshav kub- cuam tshuam thaj chaw
GNEE 6061-T651
T651 zoo ib yam li T6 tab sis suav nrog cov kauj ruam ntxiv:
Kev kho cua sov:Ib yam li T6
Quenching:Ib yam li T6
Stretching:Cov khoom yog stretched 1-3% los txo cov kev ntxhov siab sab hauv los ntawm kev kho cua sov thiab quenching
Artificial Aging:Ib yam li T6
Pros:
Cov kev ntxhov siab qis dua txhim kho qhov ruaj khov
Zoo dua machinability thiab weldability dua T6
Retains zoo dua reliably nyob rau hauv machining rog
Cons:
Me ntsis kim dua thiab sij hawm-siv vim yog cov txheej txheem ncab ntxiv
Qhov zoo yog tshwj xeeb rau cov ntawv thov siab -precision
Sib piv: GNEE 6061-T6 vs T651
| Khoom | 6061-T6 | 6061-T651 |
|---|---|---|
| Yield zog | 276 MPa ua | 276 MPa ua |
| Qhov ntom | 2700 kg/m³ | 2700 kg/m³ |
| Hardness (Brinell) | 95 | 95 |
| Thermal conductivity | 167 W/m-K | 167 W/m-K |
| Kev qaug zog | 96.5 MPa ua | 96.5 MPa ua |
| Machineability | Zoo | Zoo heev |
| Weldability | Zoo heev | Zoo heev |
| Dimensional Stability | Zoo | Zoo heev |
| Corrosion Resistance | Zoo heev | Zoo heev |
| Daim ntawv thov | General aerospace Cheebtsam, automotive panels, piping, tsheb kauj vab ncej, marine thav ntawv | High-cov khoom siv dav hlau qhov tseeb, cov tub rog- qib machining, marine propellers, siab-cov dab dej kom raug |
Lwm yam GNEE 6061 Tempers
| Kub | Kev kho cua sov | Kwv yees li. Tensile zog |
|---|---|---|
| 6061-O | Tag nrho annealed, softest thiab feem ntau ductile | ~ 125 MPa |
| 6061-T4 | Kev daws- kho thiab muaj hnub nyoog; zoo formability | ~ 207 MPa |
| 6061-T62 | Reheated thiab artificially hnub nyoog tom qab txias; weld- phooj ywg | ~ 290 MPa |
| 6061-T6511 | Extruded, stress-relieved version of T651 | ~ 290 MPa |
| 6061-T6 | Kev daws- kho thiab muaj hnub nyoog li qub; siab zog-rau- hnyav piv | ~ 290 MPa |
| 6061-T651 | T6 + kev ntxhov siab los ntawm kev ncab; txhim kho machinability | ~ 290 MPa |
Cov ntsiab lus:
Thawj qhov sib txawv ntawm GNEE 6061-T6 thiab T651 yog qhov kev ntxhov siab-txo cov txheej txheem ncab hauv T651, uas txhim kho qhov ruaj khov thiab ua haujlwm tau zoo thaum tuav tib lub zog thiab corrosion kuj zoo li T6. T6 yog qhov tsim nyog rau kev siv dav dav siab - lub zog, thaum T651 yog qhov nyiam nyob rau hauv precision-xav tau aerospace, tub rog, thiab marine Cheebtsam.
GNEE 6061 txhuas qhov kev ua tau zoo thoob plaws cov tempers no ua kom nws ua tau raws li ntau yam kev lag luam thiab engineering xav tau.
