Datum
2024-02-20Schlagwort
600 Technik 660 Chemische Verfahrenstechnik, Technische Chemie Metallischer WerkstoffSelektives LaserschmelzenDatenmodellierungRapid Prototyping <Fertigung>Zerstörungsfreie WerkstoffprüfungWerkzeugstahlMetadata
Zur Langanzeige
Aufsatz
Pathways toward the Use of Non-Destructive Micromagnetic Analysis for Porosity Assessment and Process Parameter Optimization in Additive Manufacturing of 42CrMo4 (AISI 4140)
Zusammenfassung
Laser-based powder bed fusion of metals (PBF-LB/M) is a widely applied additive manufacturing technique. Thus, PBF-LB/M represents a potential candidate for the processing of quenched and tempered (Q&T) steels such as 42CrMo4 (AISI 4140), as these steels are often considered as the material of choice for complex components, e.g., in the toolmaking industry. However, due to the presence of process-induced defects, achieving a high quality of the resulting parts remains challenging in PBF-LB/M. Therefore, an extensive quality inspection, e.g., using process monitoring systems or downstream by destructive or non-destructive testing (NDT) methods, is essential. Since conventionally used downstream methods, e.g., X-ray computed tomography, are time-consuming and cost-intensive, micromagnetic NDT measurements represent an alternative for ferromagnetic materials such as 42CrMo4. In this context, 42CrMo4 samples were manufactured by PBF-LB/M with different process parameters and analyzed using a widely established micromagnetic measurement system in order to investigate potential relations between micromagnetic properties and porosity. Using multiple regression modeling, relations between the PBF-LB/M process parameters and six selected micromagnetic variables and relations between the process parameters and the porosity were assessed. The results presented reveal first insights into the use of micromagnetic NDT measurements for porosity assessment and process parameter optimization in PBF-LB/M-processed components.
Zitierform
In: Materials Volume 17 / Issue 5 (2024-02-20) eissn:1996-1944Zitieren
@article{doi:10.17170/kobra-202403149781,
author={Engelhardt, Anna and Wegener, Thomas and Niendorf, Thomas},
title={Pathways toward the Use of Non-Destructive Micromagnetic Analysis for Porosity Assessment and Process Parameter Optimization in Additive Manufacturing of 42CrMo4 (AISI 4140)},
journal={Materials},
year={2024}
}
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2024-03-18T14:31:28Z 2024-03-18T14:31:28Z 2024-02-20 doi:10.17170/kobra-202403149781 http://hdl.handle.net/123456789/15568 eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ laser-based powder bed fusion of metals (PBF-LB/M) data-driven modeling processing windows non-destructive testing (NDT) tool steel 600 660 Pathways toward the Use of Non-Destructive Micromagnetic Analysis for Porosity Assessment and Process Parameter Optimization in Additive Manufacturing of 42CrMo4 (AISI 4140) Aufsatz Laser-based powder bed fusion of metals (PBF-LB/M) is a widely applied additive manufacturing technique. Thus, PBF-LB/M represents a potential candidate for the processing of quenched and tempered (Q&T) steels such as 42CrMo4 (AISI 4140), as these steels are often considered as the material of choice for complex components, e.g., in the toolmaking industry. However, due to the presence of process-induced defects, achieving a high quality of the resulting parts remains challenging in PBF-LB/M. Therefore, an extensive quality inspection, e.g., using process monitoring systems or downstream by destructive or non-destructive testing (NDT) methods, is essential. Since conventionally used downstream methods, e.g., X-ray computed tomography, are time-consuming and cost-intensive, micromagnetic NDT measurements represent an alternative for ferromagnetic materials such as 42CrMo4. In this context, 42CrMo4 samples were manufactured by PBF-LB/M with different process parameters and analyzed using a widely established micromagnetic measurement system in order to investigate potential relations between micromagnetic properties and porosity. Using multiple regression modeling, relations between the PBF-LB/M process parameters and six selected micromagnetic variables and relations between the process parameters and the porosity were assessed. The results presented reveal first insights into the use of micromagnetic NDT measurements for porosity assessment and process parameter optimization in PBF-LB/M-processed components. open access Engelhardt, Anna Wegener, Thomas Niendorf, Thomas doi:10.3390/ma17050971 Metallischer Werkstoff Selektives Laserschmelzen Datenmodellierung Rapid Prototyping <Fertigung> Zerstörungsfreie Werkstoffprüfung Werkzeugstahl publishedVersion eissn:1996-1944 Issue 5 Materials Volume 17 false 971
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