Inherent strain approach to estimate residual stress and deformation in the laser powder bed fusion process for metal additive manufacturing—a state-of-the-art review
H Mohammadtaheri, R Sedaghati… - The International Journal …, 2022 - Springer
In recent years, metal additive manufacturing (AM) and particularly the laser powder bed
fusion (LPBF) process have substantially grown in popularity in industrial applications due to …
fusion (LPBF) process have substantially grown in popularity in industrial applications due to …
[HTML][HTML] Analytical modeling of residual stress in laser powder bed fusion considering volume conservation in plastic deformation
Residual stress (RS) is the most challenging problem in metal additive manufacturing (AM)
since the build-up of high tensile RS may influence the fatigue life, corrosion resistance …
since the build-up of high tensile RS may influence the fatigue life, corrosion resistance …
On incorporating scanning strategy effects into the modified inherent strain modeling framework for laser powder bed fusion
Laser powder bed fusion (L-PBF) has been the most popular metal additive manufacturing
(AM) process thus far. However, residual deformation of the metal builds has been a …
(AM) process thus far. However, residual deformation of the metal builds has been a …
A new procedure for implementing the modified inherent strain method with improved accuracy in predicting both residual stress and deformation for laser powder bed …
As a metal additive manufacturing (AM) process, laser powder bed fusion (L-PBF) has been
widely used to produce parts with complex geometries. The large thermal gradient caused …
widely used to produce parts with complex geometries. The large thermal gradient caused …
Part scale estimation of residual stress development in laser powder bed fusion additive manufacturing of Inconel 718
P Promoppatum, V Uthaisangsuk - Finite Elements in Analysis and Design, 2021 - Elsevier
Residual stress has been among the primary problems in the laser powder bed fusion
(LPBF) additive manufacturing. Nevertheless, complex physics and multi-scale nature of the …
(LPBF) additive manufacturing. Nevertheless, complex physics and multi-scale nature of the …
[HTML][HTML] Analytical modeling of residual stress in laser powder bed fusion considering part's boundary condition
Rapid and accurate prediction of residual stress in metal additive manufacturing processes
is of great importance to guarantee the quality of the fabricated part to be used in a mission …
is of great importance to guarantee the quality of the fabricated part to be used in a mission …
[HTML][HTML] Residual strain predictions for a powder bed fusion Inconel 625 single cantilever part
The laser powder bed fusion (LPBF) process involves using a laser beam to selectively melt
metal powder with a desired shape on a substrate to create a part layer-by-layer. As an …
metal powder with a desired shape on a substrate to create a part layer-by-layer. As an …
[PDF][PDF] Comparison of fast finite element modelling techniques for prediction of distortion and residual stresses in laser powder bed fusion
SUMMARY Additive Layer Manufacturing (ALM) is a rapidly growing technology that
enables the manufacture of lightweight components as well as components with complex …
enables the manufacture of lightweight components as well as components with complex …
[HTML][HTML] Mechanics modeling of residual stress considering effect of preheating in laser powder bed fusion
E Mirkoohi, HC Tran, YL Lo, YC Chang, HY Lin… - … of Manufacturing and …, 2021 - mdpi.com
This study aimed at the investigation of the effect of substrate temperature on residual stress
in laser powder bed fusion using a physics-based analytical model. In this study, an …
in laser powder bed fusion using a physics-based analytical model. In this study, an …
[HTML][HTML] Physics-based and phenomenological plasticity models for thermomechanical simulation in laser powder bed fusion additive manufacturing: a …
P Promoppatum, AD Rollett - Materials & Design, 2021 - Elsevier
The present study investigated the sensitivity of material constitutive models on
thermomechanical responses in laser powder bed fusion additive manufacturing of Ti-6Al …
thermomechanical responses in laser powder bed fusion additive manufacturing of Ti-6Al …