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Home
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Materials
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Brazing Materials

SOFC/SOEC Brazing Materials - Ni5P-9003

Höganäs AB

  • Melting range: 1080–1135°C
  • Minimum brazing temperature: 1150°C
  • Binder evaporation: 300–400°C
  • High-temperature joining paste for fuel-cell applications
  • Nickel-based brazing paste for fuel-cell applications
  • Recommended brazing gap clearance 30–100 µm

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Description Vendor

The BrazeLet Ni5P-9003 functions as a high-temperature joining paste based on a nickel-based BNi5 brazing alloy engineered specifically for solid oxide fuel cell (SOFC) and solid oxide electrolyser cell (SOEC) applications. Composed of a Ni–19Cr–10.1Si alloy with a 90 wt% metal content and sub-63 µm gas-atomised powder, the material features a melting range of 1080–1135°C, a minimum brazing temperature of 1150°C, and a binder evaporation range of 300–400°C. The paste is optimized for screen or stencil printing of thin layers on flat or structured metal parts, operating effectively within a recommended gap clearance of 30–100 µm. It directly supports high-precision assembly when brazing in vacuum environments or protective hydrogen or argon atmospheres.

Use Cases

  • High-temperature fuel-cell component joining
  • SOFC brazing and sealing
  • SOFC sealing and joining
  • Screen-printed brazing layers on flat plates
  • Screen-printed brazing layers on structured plates or fins
  • Brazing stainless-steel components in vacuum or protective hydrogen or argon atmospheres
  • Flat heat-exchanger part brazing

Capabilities

  • Serve as a high-temperature joining or brazing paste for fuel-cell applications
  • Deposit thin brazing layers by screen or stencil printing
  • Support brazing with a recommended gap clearance of 30–100 µm
  • Operate with a recommended drying range of 120–170 °C
  • Use a binder system with evaporation at 300–400 °C
  • Conform to listed material specifications including AMS4782, ISO 17672 Ni650, AWS A5.8M/A5.8 BNi-5, GE B50TF81 and ISO 3677 B-Ni71CrSi-1080/1135
  • Gas-atomised powder with particle size below 63 µm
Höganäs AB Höganäs AB is a Swedish materials supplier represented by Ampergy ceramic pastes and powders for SOFC and SOEC applications and BrazeLet brazing materials for fuel-cell joining. The listed materials cover electrode, contact-layer, coating, solid-oxide electrolyte and high-temperature brazing functions with defined chemistries and material properties.
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