EXPLOSIVE%20WELDING%20OF%20MULTILAYER%20PACKAGES:%20NUMERICAL%20SIMULATION

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EXPLOSIVE WELDING OF MULTILAYER PACKAGES
NUMERICAL SIMULATION

• Penza State University
• I. S. Los, A. Yu. Muizemnek, and E. A. Zhuravlev

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Purpose

• Developing simultaneous explosive welding of
  multilayer package technology using numerical
  simulation.

Object of investigations

• Deformation process in interlayer boundaries in
  the time of simultaneous explosive multilayer
  package explosive welding.

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Multilayer materials production methods

• Layerwise explosive welding
• Simultaneous explosive welding of multilayer
  package
• Combining of explosive welding and roll welding

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Simultaneous multilayer material explosion
welding schema
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Problems

• Different collision conditions in different
  interlayer boundaries
• Necessity to obtain uniform strength in all
  joints
• Necessity to do many experiments

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Three-layers material model Explosion welding
schema
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Model description

• Material models
• Stainless steel 18-10, carbon steel
  MAT_JOHNSON_COOK
• with EOS_GRUNEISEN equation of state
• Explosive MAT_HIGH_EXPLOSIVE_BURN
• with EOS_JWL equation of state
• Empty space
• MAT_VACUUM

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Mesh description

• 3D solid, 8 nodes element
• Element size 0.01mm

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Explosion welding of three-layers material.
Numerical simulation.
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Resultant velocity
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Pressure
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Collision angles
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Experiment results

• Microstructure of explosive welded three layers
  package

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• Thank you for attention!