局部加圧した亜共晶アルミニウム合金凝固挙動の解析

概要

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Simulation of solidification during the local pressurization for aluminium alloy was investigated through real time modification of mesh file of casting, initial and boundary conditions with increase of pin depth. Heat transfer change and solidification processing were calculated, which provide closed loop of isothermal (solid fraction) curve indicating shrinkage porosity formation. Simulation results were in reasonable agreement with experimental results of temperature curve and observed shrinkage pore formation depending on pin squeeze condition.
Japan Foundry Engineering Societyの論文