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Alumina Ceramic Structural Components -JiFeng Ceramics

Керамические структурные компоненты/

Керамические структурные компоненты из глинозема

Alumina ceramic structural components have become the preferred alternative to metal parts due to their extreme environmental stability and micron-level manufacturing precision. Jifeng Ceramics provides one-stop services from material modification to complex structural forming, helping to upgrade equipment performance and double service life.

  • Подробная информация о продукте
  • Технические характеристики

Core Performance Parameters

ItemValueAdvantages vs Metal Parts
Temperature ResistanceContinuous working: 1600°С100% higher than stainless steel (800°С)
Прочность на сжатие4500 МПа10× aluminum alloy; 5× titanium alloy
Коррозионная стойкостьResists 98% H₂SO₄ / 40% NaOH (1000h no corrosion)No electrochemical corrosion; service life extended 5–8 years
InsulationVolume resistivity >10¹⁴ Ω·cmBreakdown voltage 30 кВ/мм; ideal for high-voltage equipment

Типичные применения & Solutions

1.Semiconductor Equipment

Vacuum Chamber Insulator Pillar

  • Multi‑stage design matches chamber flange; thermal expansion difference <0.01 mm/100°C.
  • Mo‑Mn metallization enables hermetic ceramic‑metal sealing.

Plasma Etcher Gas Distributor

  • Precision holes ensure uniform gas flow (fluctuation <±3%).
  • Resists CF₄/Cl₂ plasma; service life >30,000 часы.

2. New Energy Equipment

Fuel Cell Bipolar Plate Connector

  • Custom conductive coating (Pt/Ni); contact resistance <5 mΩ·cm².
  • Hydrogen permeability <1×10⁻¹⁰ mol/(m²·s·Pa).

Lithium Battery Sintering Furnace Setter

  • Softening temperature >1700°С (no deformation under 20 kg load).
  • Multi‑layer stacking improves yield by 15%.

3. Optical & Медицинское оборудование

Laser Resonator Support Pillar

  • Thermal conductivity: 30 ж/(м·К); temperature control ±0.1°C.
  • Low CTE ensures wavelength stability (Δλ/λ <10⁻⁶/°C).

CT X‑ray Tube Insulator Base

  • Lead glass composite; ray shielding >95%.
  • Biocompatibility certified (ISO 10993‑5).

Structural & Functional Design

ОсобенностьTechnical DetailsПреимущества производительности
Multi-stage Cylindrical StructureStepped diameter variation; КТР: 6.5×10⁻⁶/°CPrecise matching for metal-ceramic joining; thermal stress reduced by 60%
Round End OpeningPrecision inner hole: tolerance ±0.01 mm; L/D ratio 20:1Supports fluid delivery, fiber threading, sensor packaging; air tightness: 10⁻¹⁰ Pa·m³/s
Ultra-smooth SurfaceNano-polishing: Ра ≤ 0.02 мкмReduces particle adhesion; suitable for ultra-high vacuum ≤10⁻⁸ Pa
Stackable Assembly InterfacePreset positioning steps: fit tolerance ±0.005 mmModular fast assembly; repeat positioning accuracy < 2 мкм

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