CONVERSION COATINGS ON MAGNESIUM ALLOY DIE CASTINGS PART 1: THE EFFECT OF TECHNOLOGICAL PARAMETERS OF THE PRESSURE DIE CASTING PPROCESS ON THE QUALITY OF CASTINGS MADE FROM THE AZ91 ALLOY

The article presents the results of research on the selection of optimum technological parameters of the hot-chamber die casting machine operation to make castings in AM50 magnesium alloy, coated next with the deco...

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Tests to produce a white cast iron die casting

The manufacturing of cast iron castings by pressure die casting method, evaluation of castings microstructure and process analysis were the purpose of the experiments. White cast iron castings were fabricated and then these castings were annealed....

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The effect of the addition of circulating scrap on the tensile properties of die cast magnesium alloy

Recycling of magnesium alloys is a complex issue not only because of their high reactivity and flammability even below melting temperature, but primarily because of a lack of equipment and experience in foundries. Nonetheless the environmental fac...

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Effect of tungsten on the solidification process, microstructure and properties of silumin 226

The effect of tungsten on the solidification process, microstructure and mechanical properties of silumin 226 under the conditions close to equilibrium during pressure die casting was discussed. An increase in both mechanical and plastic propertie...

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Simulation of the volume and distribution of air entrapped by liquid metal in a test mould for the pressure die casting process

Computer programs are now a common tool aiding the engineer’s work on structure design. The design of foundry moulds used in the pressure die casting process, based on the casting design and effectively utilising the ability to create 3D ima...

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Analysis of non-metallic inclusions in AZ91 alloy casts with process foundry return in high-pressure die casting

The article presents research results of the process foundry return influence in the AZ91 alloy charge on the change in the structure of castings made by the high-pressure casting method, with special consideration of the formation of non-metallic...

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Effect of vanadium on the crystallization process, microstructure and properties of Al-Si alloy EN AC-46000

The paper presents the results of the study of Al-Si alloys with a vanadium addition used in pressure casting. The hypoeutectic Al-Si alloy grade EN AC-46000 was applied as the initial alloy. The master alloy AlV10 was introduced into the initial ...

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Effect of chromium on the crystallization process, microstructure and properties of hypoeutectic Al-Si alloy

The paper presents the results of studies of hypoeutectic silumin with a chromium addition used for pressure casting. A silumin with the composition similar to that of EN AC-46000 was used as the initial one. In order to introduce chromi...

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Hybrid HPDC&HSC technology

The article presents the history and current state of the technology of external pressure casting in the case of High Pressure Die Casting (HPDC) and Squeeze Casting (SC). The similarities and differences between the two technologies and the commo...

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