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CORDIS

Innovative Re-Design and Validation of Complex Airframe Structural Components Formed by Additive Manufacturing for Weight and Cost Reduction

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Leistungen

Fatigue characterization of at least two of the post processes evaluated in D2.3 (öffnet in neuem Fenster)

The S-N curves and fatigue limit for specimens with an as built AM surface will be compared to that of specimens with different post processing histories. The results will be analyzed and reported.

Evaluation of at least five different post processes for improved surface characteristics (öffnet in neuem Fenster)

Several different post processing methods will be investigated and their effect on fatigue performance of EBM and SLM surfaces will be determined.

Demands for complex metal AM design and modelling (öffnet in neuem Fenster)

A report that links critical metal powder bed AM process parameters and post-processing options to the designer’s geometrical specifications. The report will suggest how these interrelated parameters could be controlled in a CAE-assisted design environment to improve the designer’s ability to predict the performance of components built by powder bed AM.

Material characterization of surface and anisotropic properties (öffnet in neuem Fenster)

The mechanical properties of AM components will be dependent of the building orientation. There are several different reasons for this but the main source of anisotropy comes from; (1) non-random grain orientation due columnar grain growth during the building process, (2) the impact of the high surface roughness for thin structures elongated in one direction, (3) non-random orientation or clustering of defects along a certain direction caused by either lack of fusion or hot cracking between columnar grains during solidification and cooling. Mechanical testing will be will be performed on samples with different geometries, processing histories and orientations. The results will be analyzed and reported.

Final dissemination and exploitation plan (öffnet in neuem Fenster)

The final update and publication of the dissemination and exploitation plan

Initial dissemination and exploitation plan including communication (öffnet in neuem Fenster)

One of the key objectives of the project is to maximise the impact of the project results by dissemination and exploitation activities including communication. Further, dissemination and exploitation of project results are an obligation for every Horizon 2020 project. Therefore, the project will set up a dissemination and exploitation plan at the beginning of the project which will be then carried on and updated throughout the project's lifespan.

Communication between Catia and FEA/TO software (öffnet in neuem Fenster)

A computer implementation which makes it possible for a geometry description in CATIA to be used by a mesh generator, giving input to the FE program TRINITAS.

Computer implementation of TO method for optimal AM including uncertainty (öffnet in neuem Fenster)

A computer implementation of the deterministic approach to uncertainties that considers residual stresses and uncertain material properties.

Computer implementation of TO method for optimal AM (öffnet in neuem Fenster)

A computer implementation of TO, based on the SIMP approach, taking into account (1) anisotropic material properties, (2) the built direction of the AM process, (3) graded material, and (4) stress constraints modeling experimentally determined yield and strength properties.

Web-site and other dissemination material (öffnet in neuem Fenster)

The purpose of this deliverable is to to develop the project website and to create the dissemination materials to promote and communicate the project at local, national and European level.

Veröffentlichungen

Topology optimization accounting for surface layer effects (öffnet in neuem Fenster)

Autoren: Shyam Suresh, Carl-Johan Thore, Bo Torstenfelt, Anders Klarbring
Veröffentlicht in: Structural and Multidisciplinary Optimization, 2020, ISSN 1615-147X
Herausgeber: Springer Verlag
DOI: 10.1007/s00158-020-02644-x

Fatigue response dependence of thickness measurement methods for additively manufactured E-PBF Ti-6Al-4 V (öffnet in neuem Fenster)

Autoren: Mikael Segersäll; Annie Kerwin; Alex Hardaker; Magnus Kahlin; Johan Moverare
Veröffentlicht in: Fatigue & Fracture of Engineering Materials & Structures, Ausgabe Volume44, Ausgabe7, 2021, Seite(n) 1931-1943, ISSN 1460-2695
Herausgeber: John Wiley & Sons Ltd
DOI: 10.1111/ffe.13461

Continuous-time, high-cycle fatigue model: Validity range and computational acceleration for cyclic stress (öffnet in neuem Fenster)

Autoren: Stefan B. Lindström, Carl-Johan Thore, Shyam Suresh, Anders Klarbring
Veröffentlicht in: International Journal of Fatigue, Ausgabe 136, 2020, Seite(n) 105582, ISSN 0142-1123
Herausgeber: Elsevier BV
DOI: 10.1016/j.ijfatigue.2020.105582

Design for additive manufacturing – a review of available design methods and software (öffnet in neuem Fenster)

Autoren: Anton Wiberg, Johan Persson, Johan Ölvander
Veröffentlicht in: Rapid Prototyping Journal, Ausgabe ahead-of-print/ahead-of-print, 2019, ISSN 1355-2546
Herausgeber: Emerald Group Publishing Ltd.
DOI: 10.1108/rpj-10-2018-0262

Improved fatigue strength of additively manufactured Ti6Al4V by surface post processing (öffnet in neuem Fenster)

Autoren: M. Kahlin, H. Ansell, D. Basu, A. Kerwin, L. Newton, B. Smith, J.J. Moverare
Veröffentlicht in: International Journal of Fatigue, Ausgabe 134, 2020, Seite(n) 105497, ISSN 0142-1123
Herausgeber: Elsevier BV
DOI: 10.1016/j.ijfatigue.2020.105497

Topology optimization using a continuous-time high-cycle fatigue model (öffnet in neuem Fenster)

Autoren: Shyam Suresh, Stefan B. Lindström, Carl-Johan Thore, Bo Torstenfelt, Anders Klarbring
Veröffentlicht in: Structural and Multidisciplinary Optimization, Ausgabe 61/3, 2020, Seite(n) 1011-1025, ISSN 1615-147X
Herausgeber: Springer Verlag
DOI: 10.1007/s00158-019-02400-w

Penalty regulation of overhang in topology optimization for additive manufacturing (öffnet in neuem Fenster)

Autoren: C.-J. Thore, H. Alm Grundström, B. Torstenfelt, A. Klarbring
Veröffentlicht in: Structural and Multidisciplinary Optimization, Ausgabe 60/1, 2019, Seite(n) 59-67, ISSN 1615-147X
Herausgeber: Springer Verlag
DOI: 10.1007/s00158-019-02194-x

Improved fatigue strength of additively manufactured Ti6Al4V by surfacepost processing

Autoren: M. Kahlin, H. Ansell, D. Basu, A. Kerwin, L. Newton, B. Smith and J.J. Moverare
Veröffentlicht in: International Journal of Fatigue, Ausgabe Volume 134, May 2020, 105497, 2020, ISSN 1879-3452
Herausgeber: Elsevier Bv

Variable amplitude loading of additively manufactured Ti6Al4V subjected to surface post processes (öffnet in neuem Fenster)

Autoren: M. Kahlin, H. Ansell, A. Kerwin, B. Smith, J. Moverare
Veröffentlicht in: International Journal of Fatigue, Ausgabe 142, 2021, Seite(n) 105945, ISSN 0142-1123
Herausgeber: Elsevier BV
DOI: 10.1016/j.ijfatigue.2020.105945

Topology optimization for transversely isotropic materials with high-cycle fatigue as a constraint (öffnet in neuem Fenster)

Autoren: Shyam Suresh; Stefan B. Lindström; Carl-Johan Thore; Anders Klarbring
Veröffentlicht in: Structural and Multidisciplinary Optimization, Ausgabe 63, 2021, Seite(n) 161–172, ISSN 1615-147X
Herausgeber: Springer Verlag
DOI: 10.1007/s00158-020-02677-2

3D-printing for Aerospace: Fatigue Behaviour of Additively Manufactured Titanium (öffnet in neuem Fenster)

Autoren: Magnus Kahlin
Veröffentlicht in: Doctoral thesis, 2021, ISBN 9789179296476
Herausgeber: Linköping University Electronic Press
DOI: 10.3384/diss.diva-178726

Topology Optimization for Additive Manufacturing Considering Stress and Anisotropy

Autoren: Henrik Alm Grundström
Veröffentlicht in: Independent thesis advanced level, Ausgabe ISRN: LIU-IEI-TEK-A--17/02790—SE, 2017
Herausgeber: Linköping University Electronic Press

Towards Design Automation for Additive Manufacturing: A Multidisciplinary Optimization approach

Autoren: Anton Wiberg
Veröffentlicht in: Swedish Licentiate Thesis, 2019, ISBN 978-91-7929-985-9
Herausgeber: LiU-Tryck

Developments in Topology Optimization in the ADDMAN Project

Autoren: Henrik Alm Grundström
Veröffentlicht in: Report, Ausgabe ISRN: LIU-IEI-WP--18/00009—SE, 2018
Herausgeber: Linköping University Electronic Press

Trinitas Topology Optimization Tutorial Document

Autoren: Henrik Alm Grundström
Veröffentlicht in: Tutorial Document, 2018
Herausgeber: Linköping: Linköping University Electronic Press

AN OPTIMIZATION FRAMEWORK FOR ADDITIVE MANUFACTURING GIVEN TOPOLOGY OPTIMIZATION RESULTS

Autoren: Anton Wiberg, Johan Persson and Johan Ölvander
Veröffentlicht in: Proceedings of the Tools and Methods of Competitive Engineering (TMCE) 2018 Symposia edited by I. Horváth and J.P. Suárez, Ausgabe 7-11 May, 2018, Las Palmas de Gran Canaria, Spain, 2018, Seite(n) 533-542, ISBN 978-94-6186-910-4
Herausgeber: TMCE 2018

An Evolution-Based High-Cycle Fatigue Constraint in Topology Optimization (öffnet in neuem Fenster)

Autoren: Shyam Suresh, Stefan B. Lindström, Carl-Johan Thore, Bo Torstenfelt, Anders Klarbring
Veröffentlicht in: EngOpt 2018 Proceedings of the 6th International Conference on Engineering Optimization, 2019, Seite(n) 844-854, ISBN 978-3-319-97772-0
Herausgeber: Springer International Publishing
DOI: 10.1007/978-3-319-97773-7_73

Design for Additive Manufacturing Using a Master Model Approach (öffnet in neuem Fenster)

Autoren: Anton Wiberg, Johan Persson, Johan Ölvander
Veröffentlicht in: Volume 2A: 45th Design Automation Conference, 2019, ISBN 978-0-7918-5918-6
Herausgeber: American Society of Mechanical Engineers
DOI: 10.1115/detc2019-97915

Using Boundary Condition and Topology Optimization to Design an Airplane Component (öffnet in neuem Fenster)

Autoren: Johan A. Persson, Anton Wiberg
Veröffentlicht in: AIAA Scitech 2020 Forum, 2020, ISBN 978-1-62410-595-1
Herausgeber: American Institute of Aeronautics and Astronautics
DOI: 10.2514/6.2020-0547

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