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ENHANCED FATIGUE AND LIGHTWEIGHT POTENTIAL ASSESSMENT OF ADDITIVELY MANUFACTURED MATERIALS BY SPECIFIC SHIOZAWA DIAGRAMS

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Abstract:

The additive manufacturing (AM) process enables the fabrication of the components layer-by-layer. Therefore, it can produce complex near-net-shapes with unprecedented degrees of freedom that the conventional manufacturing processes cannot do. Due to the fine microstructures generated by the high cooling rates of the AM process, the tensile strength is improved, whereas the fatigue strength is similar or even reduced. The reason is the formulation of process-induced defects during the manufacturing process itself, which results in increasing the notch stress sensitivity that will affect the fatigue behavior at end. In this work, the fatigue damage tolerance for three AM materials (aluminum, titanium aluminide, and stainless steel) with process-induced defects is assessed using Shiozawa approach for enhanced fatigue assessment. Moreover, the effect of the lightweight potential is investigated by considering the specific-density of the three alloys and how it can enhance the fatigue damage tolerance assessment. Furthermore, the lightweight potential for the three AM alloys will be studied when applying a constant force on specimens of constant mass and length.

Reference: ADD-2022-005

Title: ENHANCED FATIGUE AND LIGHTWEIGHT POTENTIAL ASSESSMENT OF ADDITIVELY MANUFACTURED MATERIALS BY SPECIFIC SHIOZAWA DIAGRAMS
Author(s): M. Merghany, M. Teschke, F. Stern, J. Tenkamp, F. Walther
DOI: 10.48447/ADD-2022-005
Year of publication: 2022
Publication type: conference paper (PDF)
Language: English
Keywords: Laser powder bed fusion (PBF-LB), electron beam powder bed fusion (PBF-EB), AlSi10Mg, TiAl, 316L, fatigue behavior, fatigue damage tolerance

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Author(s): T. Ballreich, O. M. Hemmelmann, J. Scholz, U. Jung

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BIOLOGIZATION OF TECHNOLOGY USING THE EXAMPLE OF A SEATING SYSTEM INSPIRED BY NATURE

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ANALYSIS ON THE EFFECTS OF THE ADDITIVELY MANUFACTURED ...

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INFLUENCE OF PBF-LB/M PROCESS PARAMETERS ON ROUGHNESS AND SUBSURFACE POROSITY AS WELL AS ON THE RESULTING...

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NEURAL NETWORKS IN DESIGN TO EXPLOIT THE POTENTIAL OF ADDITIVE MANUFACTURING TECHNOLOGIES

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Author(s): C. Schmid, L. Risse, C. Herden, A. von Helbig, M. Dennin, M. Ehrlenbach, J.P. Brüggemann, L. Steuernagel

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            [value] => Hybrider 3D-Druck, Werkstoffeigenschaften FDM, 3D-Druck PLA auf PMMA, 3D-Druck TPU auf PMMA
            [id_feature] => 19
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1

3D PRINTED SMART DEVICES WITH HYBRID 3D PRINTING TECHNOLOGY – PROCESS, PROPERTIES AND SIMULATION

Publication type: conference paper (PDF)

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            [name] => Title
            [value] => 3D PRINTED SMART DEVICES WITH HYBRID 3D PRINTING TECHNOLOGY – PROCESS, PROPERTIES AND SIMULATION
            [id_feature] => 25
            [position] => 0
            [id_feature_value] => 10658
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    [1] => Array
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            [name] => Author(s)
            [value] => C. Schmid, L. Risse, C. Herden, A. von Helbig, M. Dennin, M. Ehrlenbach, J.P. Brüggemann, L. Steuernagel
            [id_feature] => 16
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    [2] => Array
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            [name] => DOI
            [value] => 10.48447/ADD-2022-009
            [id_feature] => 15
            [position] => 2
            [id_feature_value] => 10660
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    [3] => Array
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            [name] => Year of publication
            [value] => 2022
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            [position] => 7
            [id_feature_value] => 6009
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            [name] => Publication type
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            [name] => Language
            [value] => German
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            [position] => 9
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    [6] => Array
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            [name] => Keywords
            [value] => Hybrider 3D-Druck, Werkstoffeigenschaften FDM, 3D-Druck PLA auf PMMA, 3D-Druck TPU auf PMMA
            [id_feature] => 19
            [position] => 10
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1

German

€25.00

Online only