Mu dziko la zinthu zopepuka zomwe zikuyenda mofulumira, makani ochepa amakumana ndi mainjiniya omwe ali ndi mphamvu ngati aluminiyamu ya 6061 poyerekeza ndi aluminiyamu ya 7075. Ma aluminiyamu awiriwa amalamulira mbali zosiyana za magwiridwe antchito: 6061 ndiye chida chodalirika chomwe chimapezeka m'zinthu zonse kuyambira mafelemu a njinga mpaka nyumba zamagalimoto, pomwe 7075 ndiye chida champhamvu kwambiri chomwe chimagwiritsa ntchito mapiko a ndege ndi zida zapamwamba kwambiri. Popeza kufunikira kwa aluminiyamu kukukwera mu 2026—chifukwa cha kupepuka kwa nsanja ya EV, kuchuluka kwa ma drone, ndi zomangamanga zokhazikika—kusankha pakati pawo kungapangitse kapena kuwononga mtengo, kulimba, ndi magwiridwe antchito a kapangidwe.
Kugwiritsidwa ntchito kwa aluminiyamu padziko lonse lapansi kukuyembekezeka kupitirira matani 78 miliyoni chaka chino, ndipo6xxx ndi 7xxxMagiredi angapo ndi omwe akutsogolera pa ntchito zomanga. Mitengo ya 6061 ndi 7075 ikukwerabe, ndipo 7075 ikukwera ndi 20–40% chifukwa cha kuchuluka kwa zinc komanso zovuta zokonza. Nayi njira yosavuta yofotokozera momwe zimagwirira ntchito, kutengera mawonekedwe enieni, ntchito, mphamvu, zofooka, komanso nthawi yomwe imodzi imachita bwino kuposa inzake.
Katundu Waukulu Mwachidule
6061 (6xxx Series – Al-Mg-Si, Yochiritsika ndi Kutentha)
- Mtima Wamba: T6 (yankho lotenthedwa ndi kutentha komanso lopangidwa mwaluso) - lodziwika kwambiri kuti likhale ndi mphamvu zambiri
- Mphamvu Yokoka: 310 MPa (45 ksi)
- Mphamvu Yotulutsa: 276 MPa (40 ksi)
- Kutalika: 12–17%
- Kuchuluka: 2.70 g/cm³
- Kukana Kudzikundikira: Zabwino Kwambiri (makamaka ndi anodizing)
- Kuyendetsa Magetsi: ~40–43% IACS
7075 (7xxx Series – Al-Zn-Mg-Cu, Yochiritsika ndi Kutentha)
- Mtima Wamba: T6 kapena T651 (kuchepetsa kupsinjika)
- Mphamvu Yokoka: 572 MPa (83 ksi)
- Mphamvu Yotulutsa: 503 MPa (73 ksi)
- Kutalika: 11%
- Kuchuluka: 2.81 g/cm³
- Kukana Kudzimbidwa: Kufika pamlingo wochepa (kumafuna kuphimba kapena zophimba zoteteza)
- Kuyendetsa Magetsi: ~33% IACS
Ubwino ndi Kuipa Kwambiri
Mphamvu za 6061:
- Kutha kupotoza bwino kwambiri - kumagwirizana ndi MIG/TIG komanso chiopsezo chochepa cha kusweka
- Kukana dzimbiri bwino kwambiri - koyenera kugwiritsidwa ntchito panja kapena m'madzi
- Kutha kupanga makina ndi kapangidwe kake bwino kwambiri - kosavuta kutulutsa, kupindika, ndi kudzoza kuti zimalizidwe
- Kukana kutopa bwino komanso mphamvu zochepa pamtengo wotsika
- Amapezeka m'njira zosiyanasiyana: zowonjezera, pepala, mbale, chubu, bala
Zofooka za 6061:
- Mphamvu yotsika kwambiri - si yoyenera kugwiritsa ntchito zinthu zonyamula katundu wambiri
- Zimafewa kuposa ~200°C, zomwe zimachepetsa kugwiritsa ntchito kutentha kwambiri
- Kulimba kochepa kwa kusweka kuposa ena omwe ali m'magulu okhuthala
Mphamvu za 7075:
- Chiŵerengero chapadera cha mphamvu ndi kulemera - chimapikisana ndi zitsulo zina pomwe chimakhala chopepuka
- Kuuma kwapamwamba komanso kukana kuvala - koyenera kwambiri ponyamula katundu wozungulira wopanikizika kwambiri
- Kugwira ntchito bwino kwambiri mu T6 temper
- Imasunga zinthu zake kutentha kwapansi pa zero (yogwiritsidwa ntchito mu ntchito za cryogenic)
Zofooka za 7075:
- Kusasinthasintha bwino kwa ma waya - kungathe kusweka; mapangidwe nthawi zambiri amadalira kupindika kapena kulumikiza
- Chimatha kusweka mosavuta ndi kupsinjika maganizo popanda kutentha bwino kapena kuphimba bwino
- Zipangizo zopangira ndi kukonza zodula kwambiri
- Kutsika kwa ductility - kumatha kusweka ikagunda
Ntchito Zenizeni: Kumene Aliyense Amawala
6061 Ikulamulira Mu:
- Magalimoto, matireyi a batri a EV, ndi mafelemu omangira (zofunikira pakuwotcherera zopepuka)
- Zowonjezera zomangamanga, mafelemu a mawindo, ndi ma scaffolding
- Zigawo za m'madzi, mafelemu a njinga, ndi zinthu zamasewera
- Ma sinki otenthetsera ndi zinthu zina zomwe zimafunika kuti mtengo ndi dzimbiri zikhale zofunika
7075 Ikutsogolera:
- Zigawo za kapangidwe ka ndege (mapiko, mafelemu a fuselage)
- Zida zokwera miyala zogwira ntchito bwino kwambiri, zolandirira mfuti, ndi zida zankhondo
- Mawilo a magalimoto, zida zoyimitsira magalimoto, ndi manja a drone
- Ma mbale opangira zida ndi nkhungu zomwe zimafuna kulimba kwambiri
Mwachitsanzo, popanga magalimoto a EV, opanga ambiri amasakaniza zonse ziwiri: 6061 ya kapangidwe ka thupi komwe kamatha kuwotcherera ndi 7075 ya njira zofunika kwambiri monga zomangira zoyimitsidwa.
Kuyerekeza Zochitika za Maso ndi Maso
- Zosowa za MphamvuNgati mukufuna mphamvu yogwira ntchito yoposa 500 MPa, 7075 imapambana. Pa 300–400 MPa, 6061 imapereka 80% ya mphamvu yogwira ntchito pa 60% ya mtengo wake.
- Kuwonekera kwa dzimbiri: 6061 ndi chisankho chomveka bwino panja kapena m'malo onyowa. 7075 imafuna kuti zigawo za Alclad kapena zokutira zigwirizane.
- Kusavuta Kupanga: 6061 ndi yabwino kwambiri pa kuwotcherera ndi kupanga zinthu—yabwino kwambiri pa zitsanzo kapena kupanga zinthu zapakati.
- Kupsinjika Kwambiri Kwambiri ndi Kulemera: Kuchuluka kwa 7075′ kumachepetsedwa ndi magawo ocheperako chifukwa cha mphamvu yapamwamba.
- Kuzindikira Mtengo: 6061 imapereka phindu labwino kwambiri pa ntchito zambiri zamalonda; 7075 imatsimikizira kuti ndi yapamwamba kwambiri mu ndege kapena chitetezo pomwe kulephera si njira ina.
Zochitika Zamsika za 2026 Zomwe Zikukhudza Kusankha
Kuwonjezeka kwa zinthu zobwezerezedwanso (tsopano kuposa 40% m'mafakitale ambiri) kukuchepetsa kusiyana kwa mitengo, pomwe njira zatsopano zochizira kutentha zikukweza kukana dzimbiri kwa 7075 (yang'anani kutentha kwa T73/T77 komwe kukubwera). Pakadali pano, mitundu ya 6061 yokhala ndi scandium yowonjezera ikuwonjezera mphamvu pakugwiritsa ntchito magetsi a EV. Malamulo oyendetsera ku Europe ndi California akukakamiza clad 7075 ndi anodized 6061 kuti ikhale ndi moyo wautali.
Mfundo yofunika: Palibe wopambana aliyense—6061 ndi ngwazi yosinthasintha tsiku ndi tsiku, pomwe 7075 ndi mphamvu yapadera. Gwirizanitsani zinthuzo ndi zomwe mukuyang'ana kwambiri: bajeti ndi kupanga zinthu zabwino 6061; magwiridwe antchito abwino kwambiri 7075.
Ngati mukufuna ntchito inayake, onani nkhani yathu yonseKabukhu ka zinthu zotayidwakapenatiuzeni mzere– tili ndi katundu m'njira zonsezi ndipo tingathandizenso ndi misonkho.
(Katundu wozikidwa pa miyezo ya ASTM ndi mapepala azidziwitso zamakampani; nthawi zonse tsimikizirani ndi wogulitsa wanu kuti mudziwe zambiri ndi kutentha kwake.)
Nthawi yotumizira: Januwale-25-2026
