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首页> 外文会议>日本金属学会秋期大会 >(S2.16-S0022)Solidification Conditions in Molten Pool with Dynamic Fluid Flow in Electron Beam Melting of Co-Cr-Mo Alloy
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(S2.16-S0022)Solidification Conditions in Molten Pool with Dynamic Fluid Flow in Electron Beam Melting of Co-Cr-Mo Alloy

机译：（S2.16-S0022）CO-CR-MO合金电子束熔融中具有动态流体流动的熔池中的熔池凝固条件

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As an advanced additive manufacturing technology, electron beam melting (EBM)has been increasingly attracting attention from material engineers. For extensively practicalapplications, flexible control of not only the shape but also the microstructures are highlydemanded. The interaction between high-energy beam and material causes strong fluid flow inthe molten pool. Solidification behavior within a dynamic molten pool controls grain morphology.The grains grow epitaxially from the base-metal in nature, easily producing columnar grains. Formicrostructure control, solidification conditions ((i) constitutional undercooling, (ii) convectivefluid flow and (iii) molten pool geometry) that compete with prevalent columnar growth areworthy of attention. Our objective is to inspect the effects of these solidification conditions ongrain morphology.
机译：作为一种先进的添加剂制造技术，电子束熔化（EBM）越来越多地引起材料工程师的关注。对于广泛的实际应用，灵活控制不仅是形状，而且是微观结构的柔性。高能光束和材料之间的相互作用导致强熔池的强流体流动。动态熔渣内的凝固行为控制晶粒形态。谷物在自然界中从基础金属外延生长，容易产生柱状晶粒。甲状腺结构控制，凝固条件（（i）致癌过冷，（ii）对流氟流和（iii）熔融池几何形状，其与普遍的柱状增长竞争是值得关注的。我们的目的是检查这些凝固条件的影响原因。

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