首页> 外文会议>Internatonal Symposium on Superalloys 718, 625. 706 and Derivatives >MODELLING MICROSTRUCTURAL TRANSFORMATIONS OF NICKEL BASE SUPERALLOY IN 718 DURING HOT DEFORMATION
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MODELLING MICROSTRUCTURAL TRANSFORMATIONS OF NICKEL BASE SUPERALLOY IN 718 DURING HOT DEFORMATION

机译:在热变形期间718中镍基超合金的微观结构变换

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摘要

A new Inconel 718 microstructural evolution model that works in tandem with finite element software is described, and is then used to predict the microstructure during the production of a typical two-stage forging route. The model works by grouping similar grains into grain-sets and predicting the dislocation density within these grainsets during thermomechanical processing. The model is shown to accurately predict both the grain size and presence of 5 precipitates during the processing route, and displays results both numerically and graphically.
机译:描述了一种新的718微观结构演进模型,其与有限元软件合作,然后用于预测典型的两级锻造路线的生产过程中的微观结构。该模型通过将类似的谷物分组成颗粒组并在热机械加工过程中预测这些谷物内的位错密度。示出模型可以在处理路线期间精确地预测5个沉淀物的晶粒尺寸和存在,并且在数字和图形上显示两个结果。

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