Induction brazing steel to wolfram carbide

PUBLISHED: 03 Jun 15

Induction brazing steel to wolfram carbide
Induction brazing steel to wolfram carbide

The goal is to braze steel to wolfram carbide in 5 seconds using flux and braze alloy

Equipment
Ultra heat SB Series 3kW, 1MHz

Materials

  • steel tool tail and wolfram carbide receiver
  • Silver soldering paste (PN:R0113)
  • Flux

Key Parameters
Temperature: Approximately 780°C

Frequency
800 kHz

Process:
1. Mounting tool tail into the carbide work piece hole.
2. Placing brazing paste around the tool tail close to carbide piece.
3. Placing additional flux over the brazing paste.
4. Placing the set into inductor.
5. Alloy flow and joint completed in 5 seconds.
6. The material was cooled in water following the completion of brazing.
7. The joint was then cross-sectioned to validate that the brazing process had produced a strong, high quality joint.

Results/Benefits:
Induction heating provides:

  • Strong durable joints
  • Selective and precise heat zone, resulting in less part distortion and joint stress than welding
  • Less oxidation
  • Faster heating cycles
  • More consistent results and suitability for large volume production, without the need for batch processing
  • Safer than flame brazing

Ultraflex Power Technologies, USA
Tel: + 1 631 467 6814
Email: sales@ultraflexpower.com
Web: www.ultraflexpower.com

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Induction brazing steel to wolfram carbide