Platinum-based Fine Wire Materials

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Image of Platinum Fine Wire Material

What are "Platinum-based Fine Wire Material"?
It is a highly functional material made by processing platinum or its alloys into fine wires, and has excellent corrosion resistance, heat resistance, and stable electrical properties. ”nanoplat™”, a reinforced platinum material developed by our company with dispersed ZrO₂ particles, is resistant to deformation even at high temperatures and is suitable for applications requiring higher precision and reliability.

Our reliable fine wire processing technology makes miniaturization, low power consumption, and other improvements with finer wires possible.
Reliable wire processing technology.

Platinum group fine wires are widely used for various types of sensors, medical devices, electrodes, etc. due to their stable environmental resistance and electrical characteristics.

Features

  • Ultra-fine wires are available (up to Φ10µm).
  • Smooth and clean wire surfaces with excellent fine wire processing technology
  • Fine wires of various platinum alloys and oxide dispersion strengthened platinum materials are available upon request.
Characteristics of Typical Platinum and Platinum Alloy Materials (for reference)
Material Melting point (℃) Density (g/cm3) Vickers hardness (HV) Tensile strength (soft)
(MPa)
Specific resistance (soft)
(µΩ・cm[20℃])
Soft Hard
Pt-Rh5% 1,818 20.80 70 160 225 17.5
Pt-Rh10% 1,850 20.10 90 190 284 19.2
Pt-Rh20% 1,885 18.80 100 220 394 20.8
Pt-Ir5% 1,790 21.50 90 140 274 19.0
Pt-Ir10% 1,800 21.60 130 230 382 24.5
Pt-Ir20% 1,840 21.70 200 300 539 32.0
Pt-Ni10% 1,580 18.80 150 320 441 32.0
Pt-Ni20% 1,450 16.80 220 400 588 34.1
Pt-W8% 1,850 21.27 200 360 588 62.0

For other materials, please contact us for further details.

*The property values are provided for reference purposes only and the adjustable range may vary depending on the shape. Therefore, please confirm

Applications

Gas sensors, other sensors, components for medical devices, various electrodes, heaters, Probe Pins, and others

Prevents decrease in strength caused by crystal grain coarsening in high-temperature environments, increasing the range of applications in harsh temperature environments.

In high temperature environments, crystal grains become coarse, causing a significant decrease in strength.  With nanoplat™, a strengthened platinum material with dispersed ZrO₂ particles developed by TANAKA, the dispersed oxide particles work to hold the crystal grains together even at high temperatures, reducing the coarsening of the crystal grains and thereby preventing a decrease in strength and extending the lifespan. 

Features

  • Prevents crystal grain coarsening in high temperature environments and reduces strength loss
  • Has the same electrical properties as the base Pt

Pt

Pt cross-sectional view
Detailed cross section of Pt
Crystal grain coarsening in the heat-affected area

nanoplat™ Series

Cross-sectional view of nanoplat™ series
Cross-sectional view of nanoplat™ series - Details
Retains processed structure in heat-affected area
Product name Main Component Zr content High-Temperature Strength Material Strength Applicable wire diameter
nanoplat™BP Pt High Φ250µm or more
nanoplat™TPW Pt High 100µm or more
nanoplat™PW Pt Little Φ15µm or more
nanoplat™APW Pt Little Φ15 to 30µm

nanoplat™BP

→For wire development of materials for platinum alloy equipment for glass manufacturing. Due to the presence of coarse oxide particles, can be used with wire diameters of Φ250µm and above.

nanoplat™TPW

nanoplat™BP's BP’s fine wire processing product. Fine oxide particles enable fine wire

nanoplat™PW

→Tapered wire with a minimum diameter of Φ15 µm can be processed by improving the thin wire of nanoplat™TPW and reducing the amount of Zr.

nanoplat™APW

→By adopting special coating technology, it provides low-cost support in the fine wire area.

※For other characteristics and required wire diameters, please make an Inquiry.

Related Information

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