Influence of base plate preheating temperature on fatigue strength of AISI 4140 manufactured by laser powder bed fusion

Influence of base plate preheating temperature on fatigue strength of AISI 4140 manufactured by laser powder bed fusion

This study investigates the influence of base plate preheating temperature on the fatigue performance of additively manufactured AISI 4140 steel, manufactured through laser powder bed fusion (PBF-LB). By varying preheating temperatures (150°C, 300°C, and 450°C), distinct microstructures – martensiti...

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Bibliographic Details
Main Authors: Philipp Schüßler, Benjamin Dollhofer, Christian Krämer, Lukas Englert, Frauke Hinrichs, Volker Schulze, Stefan Dietrich
Format: Article
Language:English
Published: Elsevier 2025-03-01
Series:Journal of Materials Research and Technology
Subjects:
Laser powder bed fusion
Additive manufacturing
AISI 4140
42CrMo4
Fatigue
Mechanical properties
Online Access:http://www.sciencedirect.com/science/article/pii/S2238785425000730
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