Lo lus nug 1: Dab tsi yog qhov tseem ceeb uas yuav tsum muaj rau aluminium alloys hauv kev siv Aerospace niaj hnub?
Teb:
Aerospace-qib aluminium alloys yuav tsum ntsib cov kev nruj:
Zog-qhov hnyav piv: Tawm lub zog loj dua los yog sib npaug rau 450 MPa nrog ntom<2.8 g/cm³ (e.g., Al-Li 2099 alloy).
Qeeb zog tsis kam: Yam tsawg kawg 10⁷ mus txog 100 MPa kev ntxhov siab (ib astm e466) .
Corrosion Txhaj Tshuaj Tiv Thaiv: Dhau ASTM G67 Exfoliation Ntsuas Nrog<50 mg/cm² mass loss.
Hwj txwv: Crack-free laser welds at >5 m / min (ua tiav nrog sc-hloov 5024 alloy) .
NASA's Artemis Program siv kev cai Kev cai 2050- t84 alloy rau Orion nkoj nrawm
Lo lus nug 2: Yuav ua li cas scandium (SC) thiab zirconium (zraconium (ZRCONIC-aluminium ooying txhim kho txhuas kev ua haujlwm?
Teb:
Cov ntsiab lus tsawg-ntiaj teb pab kom tawg cov khoom:
Scandium (0.1-0.5 wt%):
Refines grain size to 5–10 μm, boosting ductility (elongation >15%).
Nce recrystallization kub txog 350 degree, tseem ceeb rau lub cav sib xyaw .
Zirconium (0.1-0.3 WT%):
Cov ntaub ntawv nano-nplai al₃zr precipitates, txhim kho cov hlav tawm ntawm 200-300℃.
Txo cov quench rhiab los ntawm 40% nyob rau hauv tuab ntu .
Boeing's 787 Dreamliner siv Sc-hloov 5024 alloy rau kev ua kom zoo nkauj tawv, ua tiav 20% siab dua kev ua siab ntev.
Lo lus nug 3: Dab tsi ua kom tiav cov txheej txheem ua kom zoo dua ib qho kev ua kom tiav alloys?
Teb:
Peb txoj kev txiav cov hau kev dominate:
Ua Kom Nyab: Ua cov roj oxide oxide nrog 99 . 97% ntom (vs {% hauv CASTING).
Kev sib txhuam do vuam (FSW): Koom Tes 25mm-tuab2024- T351 daim hlau ntawm 2 hli daim hlau ntawm 2mm / s nrog 95% puag nrog hlau zog.
Ntxiv Kev Lag Luam: Xaiv Laser Melting (SLM) ntawm Alsi10MG ua tiav 99 {. 5% ntom thiab hv 120 hardness.
Airbus A350 XWB kev ua haujlwm FSW rau tis tav thiab txo cov fastener suav los ntawm 30% .
Lo lus nug 4: Cov cuab yeej siv piv ua kom ceev dua kev cai alloy?
Teb:
Kev sib xyaw ua ke cov ntaub ntawv tsim khoom lag luam (ICME) sib txuas:
CALPHAD MODEL: Kev kwv yees theem rau cov duab kos npe rau cov qauv tshiab (E {{{} g}}} ln-cu system) {5 5}}
DFT simulations: Suav nrog lub zog intergial ntawm precipitates / matrix ntawm atomic nplai .
Tshuab Kev Kawm: Txo kev sim los ntawm 70% (e .!. {.
Lockheed Martin's Ai Platform tsim kev ua haujlwm siab al-CE ice incloys piv rau kev sib tw hauv 6 lub hlis.
Lo lus nug 5: Muaj kev nyuaj siab nyuaj hauv Aerospace Alloys Alloys?
Teb:
Cov kev sib tw thiab cov kev daws teeb meem:
Ua dua tshiab: 2000 / {7000- series} series xav tau spectral sorting (libs) kom tsis txhob muaj cu / Zn kev sib txuas.
Embodied Zog: Koom xwm txheej loj heev 8 {.}} 6 kg CO₂ / kg; Kaw-lub voj rov ua dua li ntawm 92%.
Khoom Siv Kev Pheej Hmoo: 80% ntawm cov khoom lag luam sc thoob ntiaj teb los ntawm Tuam Tshoj; Hloov pauv zoo li yttrium tab tom sim .
Ge argiation Ecotech program tiav rau 50% rov ua dua nyob rau hauv turbine yas los ntawm alloy redesign.
