Effect of cohesion on structure of powder layers in additive manufacturing

S Roy, MY Shaheen, T Pöschel - Granular Matter, 2023 - Springer
Producing a consistent layer quality for different raw-materials is a challenge for powder-
based additive manufacturing. Interparticle cohesion plays a key role on the powder …

Structural fluctuations in thin cohesive particle layers in powder-based additive manufacturing

S Roy, H Xiao, V Angelidakis, T Pöschel - arXiv preprint arXiv:2310.14013, 2023 - arxiv.org
Producing dense and homogeneous powder layers with smooth free surface is challenging
in additive manufacturing, as interparticle cohesion can strongly affect the powder packing …

Structural fluctuations in thin cohesive particle layers in powder-based additive manufacturing

S Roy, H Xiao, V Angelidakis, T Pöschel - Granular Matter, 2024 - Springer
Producing dense and homogeneous powder layers with smooth free surface is challenging
in additive manufacturing, as interparticle cohesion can strongly affect the powder packing …

The role of granular matter in additive manufacturing

S Roy, T Weinhart - Granular Matter, 2024 - Springer
Additive manufacturing, particularly in granular systems, has revolutionized industries such
as aerospace, medical engineering, and automotive manufacturing by enabling complex …

Combined thermal and particle shape effects on powder spreading in additive manufacturing via discrete element simulations

S Roy, H Xiao, V Angelidakis, T Pöschel - arXiv preprint arXiv:2402.15271, 2024 - arxiv.org
The thermal and mechanical behaviors of powders are important for various additive
manufacturing technologies. For powder bed fusion, capturing the temperature profile and …

DEM simulation of the powder application in powder bed fusion

V Angelidakis, M Blank, EJR Parteli, S Roy… - arXiv preprint arXiv …, 2023 - arxiv.org
The packing behavior of powders is significantly influenced by various types of inter-particle
attractive forces, including adhesion and non-bonded van der Waals forces [1, 2, 3, 4, 5, 6] …