PENZA STATE UNIVERSITY Penza, Russia

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PENZA STATE UNIVERSITY Penza, Russia

• MODELING EXPLOSIVE WELDING BY USING THE LS-DYNA
  SOFTWARE
• Speaker as. prof. IRINA LOS

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BIMETAL MATERIALS

• stainless steel - carbon steel
• titanium - steel
• copper- aluminium
• tantalum - aluminium
• zirconium stainless steel
• stainless steel Ni-Cr super alloy
• titanium - copper
• molybdenum copper
• niobium - titanium

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MATHEMATICAL SIMULATION

• The analysis of process and formulation of a
  problem
• The metallic material model selection
• The explosive model selection
• The choice of equations of state
• The determination of the geometry of parts
• The program design
• The analysis of results

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MATERIAL MODELS EQUATION OF STATE
The explosive model High Explosive Burn equation of state JWL (Jones Wilkinson - Lee)
The copper plates model Johnson - Cook equation of state Gruneisen
The air vacuum model
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DENSITY DISTRIBUTION the impact of two copper
plates
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KINETIC ENERGYOF FRYER PLATE
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CONTOURS OF PRESSURE
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CONTOURS OF EFFECTIVE STRESS
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RESULTANT VELOCITYOF FRYER PLATE
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EXPLOSIVE WELDING MODEL FOR COMPOSITE
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DEFORMATION PROCESS MODELING
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PENZA STATE UNIVERSITY Penza, Russia

• metal_at_diamond.pnzgu.ru
• Thank you for your attention