1007 傾斜冷却板を利用したチクソキャスティング

概要

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Two kinds of billetless thixoforming processes were devised in the present study. One process employed a cooling slope, and the other exploited low superheat casting. The size of ingot can be easily varied accordingly by appropriate choice of ladle and die. The cooling slope is a very simple, compact and cheap piece of equipment with low associated running costs. The primary crystals of test pieces generated in the course of this present study were spheroidal, and the general morphology of the ingot microstructures, when heated up to semisolid condition, was very similar to the microstructures obtained by conventional semisolid casting routes. The mechanical properties of test pieces produced from ingots cast in this present study were very similar to properties of products made by conventional thixoforming. Tensile strengths of 293 MPa and 15% elongation were obtained after T6 heat treatment.
一般社団法人日本機械学会の論文