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Experimental and numerical investigation of the effect of process parameters on the erosive wear of die casting dies

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Abstract

This study investigates the causes and the mechanism of erosive wear in die casting dies, which are commonly made of H-13 die steel, by controlled experiments and computer simulations. Experiments were carried out under actual production conditions for a range of process and geometrical conditions with the accelerated erosive wear of core pins being used as a surrogate measure of die erosive wear. This paper reports the results of an investigation of the effect of metal velocity, inlet melt temperature, and the angle of metal impact on erosive wear in die casting dies. The study shows that in die casting, the erosive wear profile exhibits a strong correlation with the impact velocity profile, the erosive wear rate increases with a decrease in the inlet melt temperature, and the maximum erosive wear takes place at a metal impact angle of 72°. This indicates that the primary driver of erosion in die casting is the impact of partially solidified metal or solid particles at high velocities, with diffusion effects not being as critical.

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Venkatesan, K., Shivpuri, R. Experimental and numerical investigation of the effect of process parameters on the erosive wear of die casting dies. JMEP 4, 166–174 (1995). https://doi.org/10.1007/BF02664110

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Keywords

  • Impact Angle
  • Erosive Wear
  • Corrosive Wear
  • Metal Impact
  • Wear Profile