Predictive microstructure distribution and printability maps in laser powder bed fusion for a Ni–Cu alloy

X Huang, R Seede, K Karayagiz, A Whitt… - Computational Materials …, 2024 - Elsevier
The solidification microstructure of a melt pool under additive manufacturing conditions is
highly heterogeneous due to the heterogeneity in the thermal spatio-temporal fields. This …

Influence of preheating temperature on microstructure evolution and hardness of high‐speed steel AISI M50 processed by laser powder bed fusion

S Qin, J Saewe, J Kunz, S Herzog… - steel research …, 2023 - Wiley Online Library
The laser powder bed fusion (LPBF) technology has been involved in the tooling industry to
produce tools with complex geometry and integrated functions. However, tool steels with …

Triplex steel powder design to avoid hot cracking in laser-powder bed fusion using computational thermodynamics

M Sanchez-Poncela, Q Jin, R Hebert, M Aindow… - Additive …, 2024 - Elsevier
High manganese steels offer exceptional combinations of high strength and ductility,
resulting in weight reduction when utilized in structural applications. Nevertheless, the …

A comprehensive study on the influence of the scan pattern in two porosity levels and surface roughness on the fatigue behavior of laser powder bed fusion …

J Zhang, J Schumacher, B Clausen - Journal of Materials Science, 2023 - Springer
As a developing and immature technique, additive manufacturing (AM) shows some
limitations: depending on material and process parameters so far, it usually results in parts …

Linking alloy thermo-physical behavior to laser process parameters for density optimization in LPBF

R Zhao, A Shmatok, RD Fischer, BC Prorok - The International Journal of …, 2023 - Springer
This work reports on employing X-ray computed tomography (XCT) to develop a predictive
model aimed at optimizing laser process parameters for laser powder bed fusion. A …

A microstructural modification strategy to improve thermal conductivity of tool steels produced by laser powder bed fusion

S Qin, S Herzog, A Kaletsch, C Broeckmann - Materials Characterization, 2024 - Elsevier
Laser additive manufacturing is a promising technology for producing tools with complex
geometry. The tools for hot working applications typically require high thermal conductivity to …

[HTML][HTML] Towards carbide-rich tool steels in PBF-LB/M: TiC additivation of AISI H13

ML Köhler, M Norda, S Herzog, A Kaletsch… - Additive Manufacturing …, 2023 - Elsevier
The range of available alloys for laser-based powder bed fusion of metals (PBF-LB/M) is still
quite low and limits the application of this process. In-situ alloying via PBF-LB/M by using …

[HTML][HTML] Application of the Box-Behnken Design in the Optimization of Laser Powder Bed Fusion of H13 Tool Steel

AP Oliveira, G Figueira, RT Coelho, C Bolfarini… - Materials …, 2023 - SciELO Brasil
Parameter optimization is an important step in the laser powder bed fusion (L-PBF), since
process defects greatly impact the mechanical properties of the final parts, especially in …

Novel Pectin Binder for Satelliting Carbides to H13 Tool Steel for PBF-LB Processing

F Meyer, F Kolodzy, ML Scheck, A Kaletsch… - Materials, 2023 - mdpi.com
In order to enhance the range of processable alloys of laser-based powder bed fusion,
reinforced alloys have gained focus. Satelliting is a recently introduced method for adding …

Maximum Gas Pressure in Pores

MI Alymov, AB Ankudinov, SI Averin… - Inorganic Materials …, 2024 - Springer
An analytical expression for estimating the maximum gas pressure within a closed pore is
derived. The Lamé solution for the stress–strain state of the material around a spherical pore …