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Methodology of constructing highly adequate models of additively manufactured materials
Author(s) -
Alexey Borovkov,
Л. Б. Маслов,
К. С. Иванов,
Е. Н. Ковалева,
Fedor Tarasenko,
Mikhail Zhmaylo,
Thierry Barrière
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/986/1/012034
Subject(s) - orthotropic material , finite element method , material properties , mechanical engineering , materials science , process (computing) , computer science , experimental data , structural engineering , engineering , composite material , mathematics , statistics , operating system
In the this paper there is a description of the methodology of constructing highly adequate models of materials which are produced additively. The paper consists of introduction to the problem, demonstration of each step of the methodology and conclusions about the method and its applicability. The developed approach is presented on the two additively manufactured metal alloys. The modeling process is based on the orthotropic model of elasto-plastic material behavior. The list of material properties to be found was formulated according to proposed material model. These properties were found from several mechanical experiments. The developed mathematical models of the material studied were checked for compliance to experimental data with use of finite element simulations. Finite element modeling of a complicated 3d-printed lattice structure was performed and compared with the results of natural testing. In order to study the correlation between the material properties and manufacturing process the analysis of microstructure was done.

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