Abstract
Semi-solid metal processing is the well-known technique used for the production of Al-based alloys components with sound quality and improved properties. To produce and operate successfully, the microstructure of the molten metal at the entry point of the die should consist of a solid, non-dendrite, near-globular primary grains surrounded by a liquid matrix. In the present paper, the authors have made an attempt to present a review on the formation of non-dendrite particles through cooling slope (CS) technique and reported the effect of various process parameters in particular, cooling slope length, degree of superheat of metal, height and diameter of the nozzle, CS plate material, mold material and its temperature, coolant type, coolant temperature and flow rate on the microstructure of the fabricated alloy system.
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