Q1: How do aluminum-air batteries enable long-duration storage?
8kWh/kg theoretical energy density (50x lithium-ion).
Open cathode design with silver catalysts achieves 1.6V OCV.
Electrolyte regeneration via Al(OH)₃ precipitation.
1000-hour continuous discharge demonstrated for telecom backup.
Phinergy-EV partnership targets 1000km EV range extender.
Q2: What advances exist in aluminum matrix composites?
Pressureless infiltration produces 65 vol% SiCᵣ/Al brake rotors.
Nanodiamond-reinforced composites achieve 325 W/mK conductivity.
Friction coefficient <0.2 without lubrication for piston applications.
Cryomilling creates oxide dispersion strengthened alloys for 450°C use.
SpaceX SuperDraco thrust chambers use Cₓ/Al composites.
Q3: How are metallic glasses transforming aerospace?
Al₈₇Ni₇Y₆ metallic glass ribbons via melt spinning.
1.6 GPa yield strength with 2% elastic strain.
Superplastic forming at 250°C (0.7 Tg) for micro-gears.
Corrosion current density 10⁻⁷ A/cm² in salt spray.
Lockheed Martin applies them for satellite deployment mechanisms.
Q4: What roles does aluminum play in nuclear fusion?
6061-T6 first wall components withstand 2 MW/m² thermal load.
Lithium-aluminum tritium breeding blankets achieve TBR >1.15.
Boron-doped aluminum neutron absorption plates (10B areal density 0.1 g/cm²).
Cryogenic stabilizers for superconductors at 4K (RRR >2000).
ITER vacuum vessel uses 9000 tons of Al-alloy structures.
Q5: How is aluminum enabling flexible electronics?
Anodic aluminum oxide (AAO) templates with 20nm pore diameter.
Roll-to-roll sputtering produces 100Ω/sq transparent conductive films.
Laser-assisted bending allows 0.1mm radius for foldable displays.
Al-Si eutectic inkjet printing for 50μm circuit traces (IPC-6012).
Samsung Galaxy Fold hinge components use 8000-series alloys.
