Investigation of Hot Forged and Cooled Material Properties by Numerical Simulation Method
Osman Çulha Fulya Eyçin Serhat Bardakçı
AbstractIn recent years, analysis of product and production processes with the help of numerical simulation methods; the effects of production processes on mechanical and microstructural properties of products, efficiency studies in the processes, material flow, determination of cooling regime, distortion, folding, etc., provides a significant contribution to the determination of the relationship between production-structure-propertyperformance in R & D / Design studies. Hot and cold forging, rolling and extrusion can be solved under finite elements and finite volume method with the help of computer aided analysis. In this study, the solution of the phase transformations in the material microstructure, due to the heat transfer coefficient in different cooling environments as a result of the production with hot forging, is investigated by the numerical simulation method. Critical phase conversion temperatures of 1.7035 and 1.1191 code steels, nonrecrystallization temperature, critical forging temperatures were calculated according to alloy composition. Hot forging operation was carried out by finite volume method and cooling process was solved by finite element method. Simufact.Forming software was used in numerical simulation supported solutions. As a result of hot forging and cooling process; phase ratios, strength, distortion in the product, residual stress values were revealed.