DOI: 10.18503/1995-2732-2023-21-1-82-92
Abstract
The study is aimed at developing a model for printing turbine blades on a 3D printer, which is especially important, when manufacturing complex geometry parts exposed to significant static, dynamic, thermal loads and operating in aggressive environment. A wide spread of mechanical properties, which may arise as a result of insufficient preparation for additive manufacturing of parts, indicates the need for modeling to forecast mechanical properties of a gas turbine engine blade. Thus, it becomes obvious that the use of simulation of mechanical tests and properties of 3D printed objects is a prerequisite for manufacturing high-quality parts. A main objective of the study is to develop a model of a gas turbine engine blade that has sufficient strength, resistance to vibration loads, temperature fluctuations, while maintaining the trajectory of movement in the flow and having minimum possible weight. The authors designed a three-dimensional computer model for printing gas turbine blades on a 3D printer and developed criteria and algorithm support of the process of printing turbine blades. A model of the distribution of the thermal field of the part during its manufacturing is designed using the Ansys software suite. It is required to simulate the temperature field to assess not only density of the part and its continuity, but also the reaction of the metal of the product to quick heating and cooling. The authors obtained a model of the stress-strain state in the synthesized product. A comparison of the simulation results with experimental data indicates validation of the developed model. The proposed approach to modeling makes it possible to forecast zones of maximum stress, which can lead to a crack point in the product.
Keywords
gas turbine engine (GTE) blade, additive technologies, optimization, modeling, 3D printing
For citation
Eroshenko V.O., Malkova M.Yu., Zadiranov A.N., Meshcheryakov A.V. Development of a Model for 3D Printing of Turbine Blades. Vestnik Magnitogorskogo Gosudarstvennogo Tekhnicheskogo Universiteta im. G.I. Nosova [Vestnik of Nosov Magnitogorsk State Technical University]. 2023, vol. 21, no. 1, pp. 82-92. https://doi.org/10.18503/1995-2732-2023-21-1-82-92
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