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Metallurgical and Materials Transactions A

, Volume 45, Issue 8, pp 3349–3361 | Cite as

The ExoMet Project: EU/ESA Research on High-Performance Light-Metal Alloys and Nanocomposites

  • W. H. Sillekens
  • D. J. Jarvis
  • A. Vorozhtsov
  • V. Bojarevics
  • C. F. Badini
  • M. Pavese
  • S. Terzi
  • L. Salvo
  • L. Katsarou
  • H. Dieringa
Symposium: Processing-Microstructure-Property Relationships & Deformation Mechanisms of Magnesium Alloys

Abstract

The performance of structural materials is commonly associated with such design parameters as strength and stiffness relative to their density; a recognized means to further enhance the weight-saving potential of low-density materials is thus to improve on their mechanical attributes. The European Community research project ExoMet that started in mid-2012 targets such high-performance aluminum- and magnesium-based materials by exploring novel grain refining and nanoparticle additions in conjunction with melt treatment by means of external fields (electromagnetic, ultrasonic, and mechanical). These external fields are to provide for an effective and efficient dispersion of the additions in the melt and their uniform distribution in the as-cast material. The consortium of 27 companies, universities, and research organizations from eleven countries integrates various scientific and technological disciplines as well as application areas—including automotive, aircraft, and space. This paper gives an overview of the project, including its scope for development and organization. In addition, exemplary results are presented on nanoparticle production and characterization, mixing patterns in metal melts, interface reactions between metal and particles, particle distribution in the as-cast composite materials, and mechanical properties of the as-cast composite materials. The application perspective is considered as well.

Keywords

Differential Scanning Calorimetry Magnesium Alloy Aluminum Nitride Equivalent Radius Magnesium Hydroxide 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

The authors wish to acknowledge financial support from the ExoMet project, which is co-funded by the European Commission in the 7th Framework Program (contract FP7-NMP3-LA-2012-280421), by the European Space Agency, and by the individual partner organizations. In his coordinating capacity, W.H. Sillekens thanks all ExoMet project participants who are not explicitly included in the manuscript with their results, yet implicitly are equally valuable with their contributions. S. Terzi and L. Salvo acknowledge P. Lhuissier (Université Grenoble Alpes) for facilitating the micro-tomography experiments.

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Copyright information

© The Minerals, Metals & Materials Society and ASM International 2014

Authors and Affiliations

  • W. H. Sillekens
    • 1
  • D. J. Jarvis
    • 1
  • A. Vorozhtsov
    • 2
  • V. Bojarevics
    • 3
  • C. F. Badini
    • 4
  • M. Pavese
    • 4
  • S. Terzi
    • 5
  • L. Salvo
    • 6
  • L. Katsarou
    • 7
  • H. Dieringa
    • 7
  1. 1.European Space Agency – ESTECNoordwijkThe Netherlands
  2. 2.Institute for Problems of Chemical & Energetic Technologies SB RASTomsk State UniversityTomskRussia
  3. 3.Old Royal Naval CollegeThe University of GreenwichLondonU.K.
  4. 4.Applied Science and Technology DepartmentPolitecnico di TorinoTurinItaly
  5. 5.European Space Agency – ESTEC, ILL4Grenoble CédexFrance
  6. 6.Laboratoire SIMAPUniversité Grenoble AlpesSaint Martin d’Hères CédexFrance
  7. 7.Magnesium Innovation CentreHelmholtz-Zentrum GeesthachtGeesthachtGermany

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