鉄鋼の形状・材質制御モデルの現状

概要

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Geometry of formed product and mechanical properties are the most important functions which are required in the products in metal forming processes. Numerical analysis for the evolution of microstructure in cold forming and hot forming is the key tool usable for the simultaneous optimization of geometry and mechanical properties of formed product. It is helpful not only to reduce time and cost for optimization but also to renovate design sequence of steel product. Novel design of steel product will be the combined design of forming condition and alloy composition, which is operated fully on digital computers. Here, components are 1) macro-process simulation, 2) micro-process simulation, 3) mechanical properties simulation as a function of microstructure and 4) material genom, and 5) nano-process simulation should located behind material genom and mechanical properties simulation as a function of microstructure. Analytical methods for the analyses of microstructure evolution for the forming of steels are reviewed in this paper. Their present standpoint and recent achievement will be explained, and its expected advance in future will be discussed.
社団法人日本鉄鋼協会の論文