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http://dx.doi.org/10.7777/jkfs.2022.42.1.3

Optimization of Ingot Mold Design Parameters for Austenite Heat-resistant Steel Through Computational Simulation  

Hwang, SooBeen (Deachang Solution Co., Ltd)
Park, JongHwa (Deachang Solution Co., Ltd)
Jo, SangHyun (Deachang Solution Co., Ltd)
Park, SeongIk (Deachang Solution Co., Ltd)
Kim, YunJae (Deachang Solution Co., Ltd)
Kim, Donggyu (Dong-A University)
Publication Information
Journal of Korea Foundry Society / v.42, no.1, 2022 , pp. 3-11 More about this Journal
Abstract
In this study, the parameters on the shrinkage defect of HR3C alloy was secured through computer simulation research, and the ingot mold with greater than 85% of sound area was designed and manufactured. Moreover, the optimized coagulation was proposed at design stage through computer simulation and test was performed upon ingot manufactured. After the test, the defect pattern was analyzed through cutting and non-destructive inspection to verify the parameter and ingot mold design. Based on the verification results, shrinkage defect parameters such as Niyama, Feed Efficiency, and Hot Tear Intensity of HR3C Alloys were obtained. In addition, through the secured parameters, a plan for designing ingot mold with a Non-defect area of 85% or more was secured.
Keywords
Austenitic heat-resistant steel; Gravity casting; Computational simulation; Ingot mold design and Shrinkage defect parameter;
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