The Microstructure of ZL201 Alloy Obtained by the Nearby Liquidus Electromagnetic Casting and Properties

摘要

Studying the microstructures of ZL201 alloy slurry prepared by nearby liquidus electromagnetic casting(NLEMC), electromagnetic casting(EMC), and nearby liquidus casting(NLC)by means of electron microscope and image analysis apparatus. At the same time, determining the hardness of theirs using hardness instrument. The results show that the NLEMC can obtain the fine and uniform equiaxed grains structure, its average-area-circle grain diameter is 32.8μm, and its rheoforming parts, hardness is 122.8Hv. All of these also show that the slurry microstructure and rheoforming properties of ZL201 prepared by NLEMC are the best in the three kinds of ways. At the same time, discussing the mechanism of NLEMC structure fine.