Max Planck Institute for Intelligent Systems

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Journal Article (35)

  1. 2017
    Hegedus, Z.; Meka, S. R.; Mittemeijer, E. J.: In situ consolidation of ball milled metals. Journal of Alloys and Compounds 695, pp. 721 - 725 (2017)
  2. Steiner, T.; Meka, S. R.; Göhring, H.; Mittemeijer, E. J.: Alloying element nitride stability in iron-based alloys; denitriding of nitrided Fe–V alloys. Materials Science and Technology 33 (1), pp. 23 - 32 (2017)
  3. 2016
    Akhlaghi, M.; Meka, S. R.; Jägle, E. A.; Kurz, S.; Bischoff, E.; Mittemeijer, E. J.: Formation Mechanisms of Alloying Element Nitrides in Recrystallized and Deformed Ferritic Fe-Cr-Al Alloy. Metallurgical and Materials Transactions 47 A (9), pp. 4578 - 4593 (2016)
  4. Akhlaghi, M.; Steiner, T.; Meka, S. R.; Mittemeijer, E. J.: Misfit-induced changes of lattice parameters in two- phase systems: coherent/incoherent precipitates in a matrix. Journal of Applied Crystallography 49 (1), pp. 69 - 77 (2016)
  5. Hegedus, Z.; Meka, S. R.; Mittemeijer, E. J.: Crystallite growth in nanocrystalline tungsten; rate determining mechanism and the role of contaminations. Acta Materialia 105, pp. 232 - 243 (2016)
  6. Jung, M.; Meka, S. R.; Rheingans, B.; Mittemeijer, E. J.: Coupling Inward Diffusion and Precipitation Kinetics; the Case of Nitriding Iron-Based Alloys. Metallurgical and Materials Transactions A 47 (3), pp. 1425 - 1439 (2016)
  7. Jung, M.; Meka, S. R.; Mittemeijer, E. J.: Incubation time for iron-nitride layer formation upon gaseous nitriding of iron-based alloys. Philosophical Magazine 96 (14), pp. 1369 - 1385 (2016)
  8. Kang, C. W.; Meka, S. R.; Steiner, T.; Schacherl, R. E.; Mittemeijer, E. J.: Microstructural Evolution of 31CrMoV9 Steel upon Controlled Gaseous Nitriding Treatment. HTM - Journal of Heat Treatment and Materials (2016)
  9. Meka, S. R.; Chauhan, A.; Steiner, T.; Bischoff, E.; Ghosh, P.; Mittemeijer, E. J.: Generating duplex microstructures by nitriding; nitriding of iron based Fe–Mn alloy. Materials Science and Technology 32 (9), pp. 883 - 889 (2016)
  10. Steiner, T.; Meka, S. R.; Bischoff, E.; Waldenmaier, T.; Mittemeijer, E. J.: Nitriding of ternary Fe–Cr–Mo alloys; role of the Cr/Mo-ratio. Surface and Coatings Technology 291, pp. 21 - 33 (2016)
  11. Steiner, T.; Meka, S. R.; Rheingans, B.; Bischoff, E.; Waldenmaier, T.; Yeli, . G.; Martin, T. L.; Bagot, P. A. J.; Moody, M. P.; Mittemeijer, E. J.: Continuous and discontinuous precipitation in Fe-1 at.%Cr-1 at.%Mo alloy upon nitriding; crystal structure and composition of ternary nitrides. Philosophical Magazine 96 (15), pp. 1509 - 1537 (2016)
  12. 2015
    Akhlaghi, M.; Jung, M.; Meka, S. R.; Fonovic, M.; Leineweber, A.; Mittemeijer, E. J.: Dependence of the nitriding rate of ferritic and austenitic substrates on the crystallographic orientation of surface grains; gaseous nitriding of Fe-Cr and Ni-Ti alloys. Philosophical Magazine Letters (2015)
  13. Akhlaghi, M.; Steiner, T.; Meka, S. R.; Leineweber, A.; Mittemeijer, E. J.: Lattice-parameter change induced by accommodation of precipitate/matrix misfit; misfitting nitrides in ferrite. Acta Materialia 98, pp. 254 - 262 (2015)
  14. Kann, C. W.; Meka, S. R.; Schacherl, R. E.; Mittemeijer, E. J.: Microstructure and Kinetics of Nitride Precipitation in a Quaternary Iron-Based Model Fe-2.82 at. pct Cr-0.13 at. pct Mo-0.18 at. pct V Alloy. Metallurgical and Materials Transactions A 46 (1), pp. 328 - 336 (2015)
  15. Kurz, S.; Meka, S. R.; Schell, N.; Ecker, J.; Kečkeš, J.; Mittemeijer, E. J.: Residual stress and microstructure depth gradients in nitrided iron-based alloys revealed by dynamical cross-sectional transmission X-ray microdiffraction. Acta Materialia 87, pp. 100 - 110 (2015)
  16. Löwy, S.; Rheingans, B.; Meka, S. R.; Mittemeijer, E. J.: Modulated martensite formation behavior in Fe-Ni-based alloys; Athermal and thermally activated mechanisms. Journal of Materials Research 30 (13), pp. 2101 - 2107 (2015)
  17. Steiner, T.; Akhlaghi, M.; Meka, S. R.; Mittemeijer, E. J.: Diffraction-line shifts and broadenings in continuously and discontinuously coarsening precipitate-matrix systems: coarsening of initially coherent nitride precipitates in a ferrite matrix. Journal of Materials Science 50 (21), pp. 7075 - 7086 (2015)
  18. 2014
    Loewy, S.; Rheingans, B.; Meka, S. R.; Mittemeijer, E.-J.: Unusual martensite-formation kinetics in steels: observation of discontinuous transformation rates. Acta Materialia 64, pp. 93 - 99 (2014)
  19. Meka, S. R.; Bischoff, E.; Hosmani, S.; Mittemeijer, E.-J.: Interrelationships of defects, nitride modification and excess nitrogen in nitrided Fe-4.75 at.% Al alloy. International Journal of Materials Research 105, pp. 1057 - 1066 (2014)
  20. Schwarz, B.; Göhring, H.; Meka, S. R.; Schacherl, R. E.; Mittemeijer, E.-J.: Pore formation upon nitriding iron and iron-based alloys: the role of alloying elements and grain boundaries. Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science 46, pp. 1057 - 1063 (2014)
 
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