Startseite In situ electrochemical nanoindentation of a nickel (111) single crystal: hydrogen effect on pop-in behaviour
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In situ electrochemical nanoindentation of a nickel (111) single crystal: hydrogen effect on pop-in behaviour

  • Afrooz Barnoush EMAIL logo und Horst Vehoff
Veröffentlicht/Copyright: 21. Januar 2022
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 97 Heft 9

Abstract

The hydrogen effect on dislocation nucleation in Ni single crystals with (111) surface orientation has been examined with the aid of a specifically designed nanoindentation setup for in situ electrochemical experiments. The effect of the electrochemical potential on the indent load – displacement curve, especially the unstable elastic-plastic transition (pop-in), was studied in detail. The experiments allowed the exclusion of the surface from hydrogen effects. The observations showed a pop-in load drop from an average value of 250 to 100 μN due to in situ hydrogen charging, which is reproducibly observed within sequential hydrogen charging and discharging. Clear evidence is provided that hydrogen atoms facilitate homogeneous dislocation nucleation.

Keywords: Hydrogen embrittlement; In situ nanoindentation; Dislocation; Homogeneous nucleation; Nickel
Afrooz Barnoush Saarland University, Bldg. D22 Materials Science and Methods P.O. Box 151 150, D-66041, Saarbrücken, Germany Tel.: +49 681 302 5163 Fax: +49 681 302 5015

  1. The authors would like to thank the Surface Company in Hueckelhoven, Germany for their support and suggestions during the construction of the electrochemical nanoindentation set-up.

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Received: 2006-02-27
Accepted: 2006-04-26
Published Online: 2022-01-21

© 2006 Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Contents
  2. Editorial
  3. Nanoindentation creep and stress relaxation tests of polycarbonate: Analysis of viscoelastic properties by different rheological models
  4. Investigation of SiO2 thin films on Si substrates for use as standards for laser-acoustic measuring devices
  5. Determination of the critical tensile stress of sapphire by spherical indentation with additional lateral forces
  6. The deformation behaviour of electrodeposited nanocrystalline Ni in an atomic force microscope with a newly developed in situ bending machine
  7. In situ electrochemical nanoindentation of a nickel (111) single crystal: hydrogen effect on pop-in behaviour
  8. Indentation behaviour of (011) thin films of III–V semiconductors: polarity effect differences between GaAs and InP
  9. Multiwall carbon nanotubes-based composites – mechanical characterization using the nanoindentation technique
  10. Nanoindentation studies of stamp materials for nanoimprint lithography
  11. Experimental and thermodynamic evaluation of the Co–Cr–C system
  12. Thermodynamics of high-temperature cuprous sulfide
  13. Sintering of Si3N4 with Li-exchanged zeolite additive
  14. Effect of LiYO2 addition on sintering behavior and indentation properties of silicon nitride ceramics
  15. Mechanism of quasi-viscous flow of zinc single crystals
  16. The absolute thermoelectric power of chromium, molybdenum, and tungsten
  17. Modelling of metal – mould interface resistance in the Al-11.5 wt.% Si alloy casting process
  18. Award/Preisverleihung
  19. Personal
  20. Conferences
  21. Contents
  22. Editorial
  23. Editorial
  24. Basic
  25. Nanoindentation creep and stress relaxation tests of polycarbonate: Analysis of viscoelastic properties by different rheological models
  26. Investigation of SiO2 thin films on Si substrates for use as standards for laser-acoustic measuring devices
  27. Determination of the critical tensile stress of sapphire by spherical indentation with additional lateral forces
  28. The deformation behaviour of electrodeposited nanocrystalline Ni in an atomic force microscope with a newly developed in situ bending machine
  29. In situ electrochemical nanoindentation of a nickel (111) single crystal: hydrogen effect on pop-in behaviour
  30. Indentation behaviour of (011) thin films of III–V semiconductors: polarity effect differences between GaAs and InP
  31. Multiwall carbon nanotubes-based composites – mechanical characterization using the nanoindentation technique
  32. Nanoindentation studies of stamp materials for nanoimprint lithography
  33. Experimental and thermodynamic evaluation of the Co–Cr–C system
  34. Applied
  35. Thermodynamics of high-temperature cuprous sulfide
  36. Sintering of Si3N4 with Li-exchanged zeolite additive
  37. Effect of LiYO2 addition on sintering behavior and indentation properties of silicon nitride ceramics
  38. Mechanism of quasi-viscous flow of zinc single crystals
  39. The absolute thermoelectric power of chromium, molybdenum, and tungsten
  40. Modelling of metal – mould interface resistance in the Al-11.5 wt.% Si alloy casting process
  41. Kösterpreis
  42. Award/Preisverleihung
  43. Notifications
  44. Personal
  45. Conferences
https://doi.org/10.1515/ijmr-2006-0193
Schlagwörter für diesen Artikel
Hydrogen embrittlement; In situ nanoindentation; Dislocation; Homogeneous nucleation; Nickel

Artikel in diesem Heft

  1. Contents
  2. Editorial
  3. Nanoindentation creep and stress relaxation tests of polycarbonate: Analysis of viscoelastic properties by different rheological models
  4. Investigation of SiO2 thin films on Si substrates for use as standards for laser-acoustic measuring devices
  5. Determination of the critical tensile stress of sapphire by spherical indentation with additional lateral forces
  6. The deformation behaviour of electrodeposited nanocrystalline Ni in an atomic force microscope with a newly developed in situ bending machine
  7. In situ electrochemical nanoindentation of a nickel (111) single crystal: hydrogen effect on pop-in behaviour
  8. Indentation behaviour of (011) thin films of III–V semiconductors: polarity effect differences between GaAs and InP
  9. Multiwall carbon nanotubes-based composites – mechanical characterization using the nanoindentation technique
  10. Nanoindentation studies of stamp materials for nanoimprint lithography
  11. Experimental and thermodynamic evaluation of the Co–Cr–C system
  12. Thermodynamics of high-temperature cuprous sulfide
  13. Sintering of Si3N4 with Li-exchanged zeolite additive
  14. Effect of LiYO2 addition on sintering behavior and indentation properties of silicon nitride ceramics
  15. Mechanism of quasi-viscous flow of zinc single crystals
  16. The absolute thermoelectric power of chromium, molybdenum, and tungsten
  17. Modelling of metal – mould interface resistance in the Al-11.5 wt.% Si alloy casting process
  18. Award/Preisverleihung
  19. Personal
  20. Conferences
  21. Contents
  22. Editorial
  23. Editorial
  24. Basic
  25. Nanoindentation creep and stress relaxation tests of polycarbonate: Analysis of viscoelastic properties by different rheological models
  26. Investigation of SiO2 thin films on Si substrates for use as standards for laser-acoustic measuring devices
  27. Determination of the critical tensile stress of sapphire by spherical indentation with additional lateral forces
  28. The deformation behaviour of electrodeposited nanocrystalline Ni in an atomic force microscope with a newly developed in situ bending machine
  29. In situ electrochemical nanoindentation of a nickel (111) single crystal: hydrogen effect on pop-in behaviour
  30. Indentation behaviour of (011) thin films of III–V semiconductors: polarity effect differences between GaAs and InP
  31. Multiwall carbon nanotubes-based composites – mechanical characterization using the nanoindentation technique
  32. Nanoindentation studies of stamp materials for nanoimprint lithography
  33. Experimental and thermodynamic evaluation of the Co–Cr–C system
  34. Applied
  35. Thermodynamics of high-temperature cuprous sulfide
  36. Sintering of Si3N4 with Li-exchanged zeolite additive
  37. Effect of LiYO2 addition on sintering behavior and indentation properties of silicon nitride ceramics
  38. Mechanism of quasi-viscous flow of zinc single crystals
  39. The absolute thermoelectric power of chromium, molybdenum, and tungsten
  40. Modelling of metal – mould interface resistance in the Al-11.5 wt.% Si alloy casting process
  41. Kösterpreis
  42. Award/Preisverleihung
  43. Notifications
  44. Personal
  45. Conferences
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