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Alumina Ceramic Structural Components Manufacturer & Supplier - JiFeng-Keramik

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Alumina Ceramic Structural Components

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

  • Produktdetails
  • Technische Spezifikationen

Typische Anwendungen & Solutions

1.Semiconductor Equipment

l 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.

l Plasma Etcher Gas Distributor

Precision holes ensure uniform gas flow (fluctuation <±3%).

Resists CF₄/Cl₂ plasma; service life >30,000 Std..

2. New Energy Equipment

l Fuel Cell Bipolar Plate Connector

Custom conductive coating (Pt/Ni); contact resistance <5 mΩ·cm².

Hydrogen permeability <1×10⁻¹⁰ mol/(m²·s·Pa).

l Lithium Battery Sintering Furnace Setter

Softening temperature >1700°C (no deformation under 20 kg load).

Multi‑layer stacking improves yield by 15%.

3. Optical & Medical Devices

l Laser Resonator Support Pillar

Thermal conductivity: 30 W/(m·K); temperature control ±0.1°C.

Low CTE ensures wavelength stability (Δλ/λ <10⁻⁶/°C).

l CT X‑ray Tube Insulator Base

Lead glass composite; ray shielding >95%.

Biocompatibility certified (ISO 10993‑5).

Structural & Functional Design

BesonderheitTechnical DetailsLeistungsvorteile
Multistage Cylindrical StructureStepped diameter variation; CTE: 6.5×10⁻⁶/°CPrecise matching for metalceramic 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
Ultrasmooth SurfaceNanopolishing: Ra ≤ 0.02 μmReduces particle adhesion; suitable for ultrahigh vacuum ≤10⁻⁸ Pa
Stackable Assembly InterfacePreset positioning steps: fit tolerance ±0.005 mmModular fast assembly; repeat positioning accuracy < 2 μm

Core Performance Parameters

ItemValueAdvantages vs Metal Parts
Temperature ResistanceContinuous working: 1600°C100% higher than stainless steel (800°C)
Druckfestigkeit4500 MPa10× aluminum alloy; 5× titanium alloy
KorrosionsbeständigkeitResists 98% H₂SO₄ / 40% NaOH (1000h no corrosion)No electrochemical corrosion; service life extended 5–8 years
InsulationVolume resistivity >10¹⁴ Ω·cmBreakdown voltage 30 kV/mm; ideal for highvoltage equipment

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