Platinum-Iridium (Pt-Ir) – Exceptional Strength and Biocompatibility
Advanced Hermetic Solutions utilizes platinum-iridium alloys for applications where extreme corrosion resistance, mechanical durability, and long-term biocompatibility are essential.
Material Properties
- Typical Composition: 90% Platinum, 10% Iridium
- Density: 21.56 g/cm³
- Melting Point: ~1,800°C (3,272°F)
- Hardness: Up to 500 HV (Vickers)
- Tensile Strength: 380–620 MPa
- Thermal Conductivity: 31 W/m·K
- Electrical Resistivity: ~25 µΩ·cm
- Thermal Expansion: 8.7 × 10⁻⁶ /K (20–100°C)
- Corrosion Resistance: Excellent in oxidizing and reducing environments
- Biocompatibility: Highly inert and suitable for long-term implantation
- Workability: Readily cast, machined, stamped, and welded
- Appearance: Lustrous silver-white finish
Applications in Hermetic Engineering
Implantable Medical Devices
Used in neurostimulators, pacemaker housings, and sensor interfaces for its unmatched biocompatibility and corrosion resistance.
Electrical and Signal Contacts
Ideal for high-reliability electrical junctions in harsh environments — including aerospace ignition systems and vacuum switches.
Scientific & Analytical Instruments
Preferred for thermocouples, crucibles, and precision assemblies due to thermal stability and resistance to aggressive agents.
Platinum-Iridium: Engineered for Excellence
Partner with Advanced Hermetic Solutions to develop Pt-Ir-based brazed packages, implantable seals, and precision contact assemblies for your mission-critical needs.
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