Residual strains in directed energy deposition additive manufacturing

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Abstract

Recently, a fast macroscopic and semi-analytical thermal analysis of Laser Metal Powder Directed Energy Deposition (LMPDED) has been submitted to publication. The effect of various process parameters are taken into account as well as solidification and solid-state phase transitions. One of the main advantage of the proposed approach is that the model is fast enough to simulate the entire process and perform parametric studies or optimization loops. Thus, residual strains induced by temperature variations and phase transitions are easily computed. In addition, transformation induced plasticity is also investigated. Within this framework, temperature control strategies can be optimized.

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APA

Weisz-Patrault, D. (2020). Residual strains in directed energy deposition additive manufacturing. In AIP Conference Proceedings (Vol. 2293). American Institute of Physics Inc. https://doi.org/10.1063/5.0026504

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