Anisotropic yield surfaces of additively manufactured metals simulated with crystal plasticity

K Somlo, BH Frodal, CV Funch, K Poulios… - European Journal of …, 2022 - Elsevier
The mechanical anisotropy created by additive manufacturing (AM) is not yet fully
understood and can depend on many factors, such as powder material, manufacturing …

[HTML][HTML] The role of the solidification structure on orientation-dependent hardness in stainless steel 316L produced by laser powder bed fusion

S Tekumalla, B Selvarajou, S Raman, S Gao… - Materials Science and …, 2022 - Elsevier
Owing to the rapid cooling rates and directional thermal gradients involved, fusion-based
additive manufacturing (AM) processes yield complex, fine solidification structures that …

[HTML][HTML] Mechanical anisotropy of additively manufactured stainless steel 316L: An experimental and numerical study

A Charmi, R Falkenberg, L Ávila, G Mohr… - Materials Science and …, 2021 - Elsevier
The underlying cause of mechanical anisotropy in additively manufactured (AM) parts is not
yet fully understood and has been attributed to several different factors like microstructural …

A virtual laboratory using high resolution crystal plasticity simulations to determine the initial yield surface for sheet metal forming operations

H Zhang, M Diehl, F Roters, D Raabe - International Journal of Plasticity, 2016 - Elsevier
We present a virtual laboratory to investigate the anisotropic yield behavior of polycrystalline
materials by using high resolution crystal plasticity simulations. Employing a fast spectral …

[HTML][HTML] Microstructural modeling and measurements of anisotropic plasticity in large scale additively manufactured 316L stainless steel

TFW Van Nuland, LP Belotti, JPM Hoefnagels… - European Journal of …, 2022 - Elsevier
In this paper, the wire+ arc additive manufacturing process-induced plastic anisotropy of
316L stainless steel is analyzed by means of detailed 3D microstructural modeling and …

Anisotropic polycrystal plasticity due to microstructural heterogeneity: A multi-scale experimental and numerical study on additively manufactured metallic materials

SAH Motaman, F Roters, C Haase - Acta Materialia, 2020 - Elsevier
Additively manufactured (AM) metallic parts exhibit substantially different microstructures
compared to those that are conventionally produced. Characterization studies have …

Anisotropic tensile behaviour of additively manufactured Ti-6Al-4V simulated with crystal plasticity

K Somlo, K Poulios, CV Funch, CF Niordson - Mechanics of Materials, 2021 - Elsevier
The anisotropic behaviour of laser powder bed fusion (LPBF) Ti-6Al-4V under uniaxial
tension is investigated through crystal plasticity simulations. A periodic multi-scale …

Investigating build orientation-induced mechanical anisotropy in additive manufacturing 316L stainless steel

S Dixit, S Liu, HA Murdoch, PM Smith - Materials Science and Engineering …, 2023 - Elsevier
Build orientation-induced mechanical anisotropy is critical for additive manufacturing metals.
To leverage the existing research on anisotropy between Z and X/Y build orientations, this …

Crystal plasticity modeling of additively manufactured metallic microstructures

SS Acar, O Bulut, T Yalçinkaya - Procedia Structural Integrity, 2022 - Elsevier
Different manufacturing processes such as flow forming, rolling, wire drawing and additive
manufacturing induce anisotropic structure and texture evolution at the micro scale, which …

Mean-field polycrystal plasticity modeling with grain size and shape effects for laser additive manufactured FCC metals

J Liu, W Xiong, A Behera, S Thompson… - International Journal of …, 2017 - Elsevier
Additive manufacturing (AM)(also called 3D printing) process has the unique ability to
produce very different microstructural features and mechanical properties in metals using …