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Young’s modulus in nanostructured metals

  • Y. Zhou EMAIL logo , U. Erb , K. T. Aust und G. Palumbo
Veröffentlicht/Copyright: 7. Februar 2022
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 94 Heft 10

Abstract

The interface effect on Young’s modulus was investigated in electro-deposited fully-dense Ni –P alloys with a relatively constant phosphorus content (2– 3 wt%), but with different grain sizes ranging from 4 to 29 nm. Essentially the same Young’s modulus was observed for grain sizes ≥ 18 nm. A noticeable decrease in Young’s modulus was found at grain sizes ≤ 17 nm. The reduction in Young’s modulus was found to correlate well with the increase in all interface contributions. These observations agree with various studies on other fully-dense metals for grain sizes between 5 and 80 nm. Previously reported large decreases in the Young’s modulus were likely caused by the significant amount of porosity in the microstructure.

Keywords: Young’s modulus; Nanostructure; Grain boundary; Triple junction; Interface; Volume fraction; Positron annihilation spectroscopy
Yijian Zhou Dept. of Materials Science and Engineering University of Toronto 184 College Str., Toronto, Ontario, Canada M5S 3E4 Tel.: +1 416 946 3315 Fax: +1 416 946 3316

Dedicated to Professor Dr. Dr. h. c. Herbert Gleiter on the occasion of his 65th birthday

  1. The authors would like to thank Shimadzu Corporation for their generous donation of the nanoindenter, and Dr. G. Hibbard from Integran Technology Inc. for his contributions. Financial support from the Natural Sciences and Engineering Research Council of Canada and the Ontario Graduate Scholarship is gratefully acknowledged.

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Received: 2003-05-27
Published Online: 2022-02-07

© 2003 Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Frontmatter
  2. Articles/Aufsätze
  3. From atomistics to macro-behavior: structural superplasticity in micro- and nano-crystalline materials
  4. Interface stress in nanocrystalline materials
  5. Microstructure, frequency and localisation of pseudo-elastic fatigue strain in NiTi
  6. Intercrystalline defects and some properties of electrodeposited nanocrystalline nickel and its alloys
  7. Positrons as chemically sensitive probes in interfaces of multicomponent complex materials: Nanocrystalline Fe90Zr7B3
  8. Annealing treatments to enhance thermal and mechanical stability of ultrafine-grained metals produced by severe plastic deformation
  9. Nanoceramics by chemical vapour synthesis
  10. Deformation mechanism and inverse Hall – Petch behavior in nanocrystalline materials
  11. Simulations of the inert gas condensation processes
  12. Unconventional deformation mechanism in nanocrystalline metals?
  13. Alloying reactions in nanostructured multilayers during intense deformation
  14. Impact of grain boundary character on grain boundary kinetics
  15. Nanostructured (CoxFe1– x)3–yO4 spinel – mechanochemical synthesis
  16. Nanostructure formation and thermal stability of nanophase materials prepared by mechanical means
  17. Low-temperature plasma nitriding of AISI 304 stainless steel with nano-structured surface layer
  18. New materials from non-intuitive composite effects
  19. On the line defects associated with grain boundary junctions
  20. Young’s modulus in nanostructured metals
  21. The kinetics of phase formation in an ultra-thin nanoscale layer
  22. Notifications/Mitteilungen
  23. Personal/Personelles
  24. News
  25. DGM Events
https://doi.org/10.1515/ijmr-2003-0209
Schlagwörter für diesen Artikel
Young’s modulus; Nanostructure; Grain boundary; Triple junction; Interface; Volume fraction; Positron annihilation spectroscopy

Artikel in diesem Heft

  1. Frontmatter
  2. Articles/Aufsätze
  3. From atomistics to macro-behavior: structural superplasticity in micro- and nano-crystalline materials
  4. Interface stress in nanocrystalline materials
  5. Microstructure, frequency and localisation of pseudo-elastic fatigue strain in NiTi
  6. Intercrystalline defects and some properties of electrodeposited nanocrystalline nickel and its alloys
  7. Positrons as chemically sensitive probes in interfaces of multicomponent complex materials: Nanocrystalline Fe90Zr7B3
  8. Annealing treatments to enhance thermal and mechanical stability of ultrafine-grained metals produced by severe plastic deformation
  9. Nanoceramics by chemical vapour synthesis
  10. Deformation mechanism and inverse Hall – Petch behavior in nanocrystalline materials
  11. Simulations of the inert gas condensation processes
  12. Unconventional deformation mechanism in nanocrystalline metals?
  13. Alloying reactions in nanostructured multilayers during intense deformation
  14. Impact of grain boundary character on grain boundary kinetics
  15. Nanostructured (CoxFe1– x)3–yO4 spinel – mechanochemical synthesis
  16. Nanostructure formation and thermal stability of nanophase materials prepared by mechanical means
  17. Low-temperature plasma nitriding of AISI 304 stainless steel with nano-structured surface layer
  18. New materials from non-intuitive composite effects
  19. On the line defects associated with grain boundary junctions
  20. Young’s modulus in nanostructured metals
  21. The kinetics of phase formation in an ultra-thin nanoscale layer
  22. Notifications/Mitteilungen
  23. Personal/Personelles
  24. News
  25. DGM Events
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