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Erschienen in:
Experimental Verification of the Survivability Model Under Mixed I+II Mode Fracture for Steels of Rolling Rolls Kapitel lesen Erstes Kapitel lesen

2022 | OriginalPaper | Buchkapitel

14. Finite Element Analysis of Distortions, Residual Stresses and Residual Strains in Laser Powder Bed Fusion-Produced Components

verfasst von : Jorge Gil, Felipe Fiorentin, J. C. R. Pereira, A. M. P. de Jesus, Ana Reis

Erschienen in: Structural Integrity and Fatigue Failure Analysis

Verlag: Springer International Publishing

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Abstract

Metallic Additive Manufacturing (AM) has experienced increasing levels of demand due to its flexibility in producing complex geometries, bolstered by the growing availability of topology optimization methods. However, the multiple thermal cycles associated with these processes lead to the appearance of residual stresses that can worsen the dimensional accuracy and mechanical behavior of components. Consequently, efforts have been made to propose numerical models capable of distortion and residual stress prediction of parts manufactured through Laser Powder Bed Fusion (LPBF). This article introduces the mechanisms associated with residual stress generation and reviews known Finite Element Method (FEM) formulations of the additive manufacturing problem. Simulations are proposed and conduced that aim at comparing two software packages against each other and against experimental data; results are discussed, and lastly, conclusions are achieved.

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Vorheriges Kapitel Three-Dimensional Fractography for Conventional and Additive Manufactured Steels After Bending-Torsion Fatigue
Nächstes Kapitel Metal Additive Manufacturing of End-Use Components and Parts: A Practical Overview
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Metadaten
Titel
Finite Element Analysis of Distortions, Residual Stresses and Residual Strains in Laser Powder Bed Fusion-Produced Components
verfasst von
Jorge Gil
Felipe Fiorentin
J. C. R. Pereira
A. M. P. de Jesus
Ana Reis
Copyright-Jahr
2022
Buch
Structural Integrity and Fatigue Failure Analysis

Print ISBN: 978-3-030-91846-0

Electronic ISBN: 978-3-030-91847-7

Copyright-Jahr: 2022

DOI
https://doi.org/10.1007/978-3-030-91847-7_14

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