1. Elektron ma'lumot materiallari
Yarimo'tkazgichning substrati:
Safir (- al-O3) LED chiplari uchun substratlar (global LEGRED substrati bozorining 85% ni hisobga olgan holda), C =12 =12 uchun ishlatiladi. 991 Å<50 μ m.
Yuqori tozalik alumina keramik substrat (2 ₂,6% dan 99,6% gacha) 20-25 · (·} · (·} · (·} · (İ) ning issiqlik o'tkazuvchanligi bilan, 15-20}}}}}}} íarition darajasiga qarab kamayishi mumkin.
KASTAGRIGI DINIONTR:
O3 ingichka plyonkali elektrolitiklar uchun dielektrik qatlami, 10-12 10-12 oqimining dielektri<10 ⁻⁷ A/cm ², and a withstand voltage strength of>50 V/μ m.
2. Energiya va atrof-muhit
Yoqilg'i hujayrasi:
The electrolyte membrane of solid oxide fuel cell (SOFC) adopts yttrium stabilized zirconia (YSZ) - alumina composite coating, with oxygen ion conductivity of 0.1 S/cm (800 ℃) and power density>0. 8 W \/ sm ².
Alyuminiy Air batareyalarida Alumina 500 dona \/ kg gacha energiya zichligi bilan kaziyali katalizator tashuvchisi (ORR) faoliyatini kuchaytirishni kuchaytiradi.
Katalitik tashuvchi:
The Pt/Pd catalyst loaded with γ - Al ₂ O ∝ is used for automobile exhaust treatment, with a specific surface area>150 m ²/g, CO conversion rate>95% (250 daraja) va 80000 kilometrdan ortiq umr ko'rish.
3. Strukturaviy kulolchilik va kompozit materiallar
Yuqori samarali kulolchilik:
Aluminum oxide ceramics (Al ₂ O ∝ ≥ 90%) have a bending strength of>300 MPa and a fracture toughness of 3-5 MPa · m ¹/². They are used for cutting tools (speed>20000 RPM) va keramik rulmanlar (umr bo'yi po'lat taqqoslarga qaraganda uch baravar ko'proq).
Transparent alumina ceramics (transmittance>85% @ 400-2000 nm NM) raketa infraqizil derazalari uchun ishlatiladi va haroratning gradientiga 200 darajaga bardosh berishi mumkin.
Kompozit materiallarni kuchaytirish fazasi:
Nano Aluminaning epoksi zarralari (50 nm) dopinli zarralar og'irligi 40 foizga, shisha tog 'o'tish haroratini 40 darajaga oshiradi.
4. Metallurgiya va refrakt materiallari
Alyuminiy eritish:
Malokitning asosiy tarkibiy qismi sifatida eritib, O3 eritilganini kamaytirganligi sababli (2054 darajadan 950 darajagacha) joriy samaradorlikni 90% dan oshadi.
Refterce materiallari:
Alumina refractory bricks (Al ₂ O ∝ ≥ 85%) with a load softening temperature>1750 ℃, used for blast furnace lining and glass kilns, with a service life>5 yil.