High Speed-Imaging of Collision Welding Processes

Collison welding is a high-speed metalurgical joining process. You find further information about:

A detailed view on the collision welding process

Process and recordings specs:

  • flyer and target material: EN AW-1050A Hx4, 2 mm thickness
  • total impact velocity: 262 m/s
  • collision angle: 9.1°
  • lens: long-distance microscope Model K2 DistaMax from Infinity Photo-Optical Company
  • Process glare suppressed by band pass filter
  • compilation of four experiments with four images each
  • exposure time: 20 ns

The collision welding process at and beyond the welding window boundaries

Process and recordings specs:

  • flyer and target material: Cu ETP, 1 mm thickness
  • total impact velocity: 262 m/s
  • collision angles: 3.7°, 5.0°, 14.0°, 16.2°
  • lens: Zeiss Milvus 100/2.0 Makro
  • no suppression of the process glare
  • exposure time: 20 ns

1. Underneath lower collision angle boundary (3.7°)

2. Above lower collision angle boundary (5.0°)

3. Underneath upper collision angle boundary (14°)

4. Above upper collision angle boundary (16.2°)