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Formation of cube recrystallized grains in high-purity Al

  • Atsushi Umezawa und Hirosuke Inagaki EMAIL logo
Veröffentlicht/Copyright: 7. Januar 2022
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International Journal of Materials Research
Aus der Zeitschrift International Journal of Materials Research Band 97 Heft 1

Abstract

In high-purity 4 N (99.99 wt.%) Al containing 50 wt.ppm Cu, very strong {100}<001> recrystallization textures are developed after 98% cold rolling and annealing at 500 °C. They are about three times stronger than those observed in standard high-purity 4 N Al without Cu addition. In this paper, the mechanism of the formation of such strong {100}<001> recrystallization textures were investigated in detail by using the EBSP (electron backscatter pattern) analysis.

It was found that, at the earliest stage of recrystallization, {100} <001>-recrystallized grains were nucleated by forming a row lying parallel to the rolling direction and growing preferentially within the elongated deformed grain in which they were nucleated. Most of these {100}<001>-recrystallized grains had orientations very near to the exact cube orientations. {100}<001>-recrystallized grains in this materials were characterized by their rapid growth, which was observed at the later stages of recrystallization. Since they were surrounded by deformed regions having very strong β-fiber rolling textures formed by heavy cold rolling, their grain boundaries were high-angle grain boundaries with high mobility. Assisted further by high stored energy introduced by heavy rolling reductions, {100}<001>-recrystallized grains could grow very rapidly, traversing readily several deformed grains. In this material, {100}<001>-recrystallized grains were not nucleated so abundantly. However, {100}<001>-recrystallized grains were nucleated much earlier and grew much faster than recrystallized grains with other orientations. They were, therefore, always larger than recrystallized grains with other orientations. Due to such size advantages, {100}<001>-recrystallized grains could rapidly consume fine-recrystallized grains with other orientations during the subsequent grain growth process. As a result, microstructures observed after annealing at 500 °C for 2 h consisted mostly of coarse {100}<001>-recrystallized grains slightly misoriented with each other. It is, thus, rapid growth of few {100}<001>-recrystallized grains during recrystallization, and their preferential grain growth, that enhance the development of very strong {100}<001> recrystallization textures in this high-purity Al. Cu seems to suppress nucleation of recrystallized grains with other orientations.

Keywords: EBSP; High-purity Al; Cube orientation
Prof. Dr. Hirosuke Inagaki Shonan Institute of Technology 251-8511 Fujisawashi, Tsujidou-nishikaigan 1-1-25, Japan Tel.: +81 466 30 0154 Fax: +81 466 34 9527

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Received: 2005-04-07
Accepted: 2005-08-02
Published Online: 2022-01-07

© 2006 Carl Hanser Verlag, München

Artikel in diesem Heft

  1. Frontmatter
  2. Editorial
  3. The Pd-rich part of the Pd–B phase diagram
  4. Thermodynamic optimizing of the Li–Sn system
  5. Thermodynamic analysis of high-temperature heazlewoodite
  6. Diffusion of chromium in β-Ti under high pressure
  7. Density and surface tension of liquid ternary Ni–Cu–Fe alloys
  8. Influence of electric field strength applied during the solution heat treatment of the Al–Mg–Si–Cu Alloy AA6111
  9. Development of cube recrystallization textures in high-purity Al
  10. Formation of cube recrystallized grains in high-purity Al
  11. Effect of various niobium additions on microstructure and mechanical behavior of a NiAl–Cr–Mo eutectic alloy
  12. The effect of exposure to elevated temperatures on the microstructure and hardness of Mg–Ca–Zn alloy
  13. Kinetics studies of hydrogen reduction of Cu2O
  14. Decomposition kinetics of expanded austenite with high nitrogen contents
  15. Estimation of the viscosity for Ag–In and In–Sb liquid alloys using different models
  16. Elevated temperature tensile properties of an extruded aluminium alloy reinforced with SiCp
  17. Richtlinien für Autoren
  18. Instructions for authors
  19. Personal/ personelles
  20. Press/ Presse
  21. Conferences /Konferenzen
  22. Frontmatter
  23. Editorial
  24. Editorial
  25. Articles Basic
  26. The Pd-rich part of the Pd–B phase diagram
  27. Thermodynamic optimizing of the Li–Sn system
  28. Thermodynamic analysis of high-temperature heazlewoodite
  29. Diffusion of chromium in β-Ti under high pressure
  30. Density and surface tension of liquid ternary Ni–Cu–Fe alloys
  31. Influence of electric field strength applied during the solution heat treatment of the Al–Mg–Si–Cu Alloy AA6111
  32. Articles Applied
  33. Development of cube recrystallization textures in high-purity Al
  34. Formation of cube recrystallized grains in high-purity Al
  35. Effect of various niobium additions on microstructure and mechanical behavior of a NiAl–Cr–Mo eutectic alloy
  36. The effect of exposure to elevated temperatures on the microstructure and hardness of Mg–Ca–Zn alloy
  37. Kinetics studies of hydrogen reduction of Cu2O
  38. Decomposition kinetics of expanded austenite with high nitrogen contents
  39. Estimation of the viscosity for Ag–In and In–Sb liquid alloys using different models
  40. Elevated temperature tensile properties of an extruded aluminium alloy reinforced with SiCp
  41. Notifications/Mitteilungen
  42. Richtlinien für Autoren
  43. Instructions for authors
  44. Personal/ personelles
  45. Press/ Presse
  46. Conferences /Konferenzen
https://doi.org/10.3139/ijmr-2006-0008
Schlagwörter für diesen Artikel
EBSP; High-purity Al; Cube orientation

Artikel in diesem Heft

  1. Frontmatter
  2. Editorial
  3. The Pd-rich part of the Pd–B phase diagram
  4. Thermodynamic optimizing of the Li–Sn system
  5. Thermodynamic analysis of high-temperature heazlewoodite
  6. Diffusion of chromium in β-Ti under high pressure
  7. Density and surface tension of liquid ternary Ni–Cu–Fe alloys
  8. Influence of electric field strength applied during the solution heat treatment of the Al–Mg–Si–Cu Alloy AA6111
  9. Development of cube recrystallization textures in high-purity Al
  10. Formation of cube recrystallized grains in high-purity Al
  11. Effect of various niobium additions on microstructure and mechanical behavior of a NiAl–Cr–Mo eutectic alloy
  12. The effect of exposure to elevated temperatures on the microstructure and hardness of Mg–Ca–Zn alloy
  13. Kinetics studies of hydrogen reduction of Cu2O
  14. Decomposition kinetics of expanded austenite with high nitrogen contents
  15. Estimation of the viscosity for Ag–In and In–Sb liquid alloys using different models
  16. Elevated temperature tensile properties of an extruded aluminium alloy reinforced with SiCp
  17. Richtlinien für Autoren
  18. Instructions for authors
  19. Personal/ personelles
  20. Press/ Presse
  21. Conferences /Konferenzen
  22. Frontmatter
  23. Editorial
  24. Editorial
  25. Articles Basic
  26. The Pd-rich part of the Pd–B phase diagram
  27. Thermodynamic optimizing of the Li–Sn system
  28. Thermodynamic analysis of high-temperature heazlewoodite
  29. Diffusion of chromium in β-Ti under high pressure
  30. Density and surface tension of liquid ternary Ni–Cu–Fe alloys
  31. Influence of electric field strength applied during the solution heat treatment of the Al–Mg–Si–Cu Alloy AA6111
  32. Articles Applied
  33. Development of cube recrystallization textures in high-purity Al
  34. Formation of cube recrystallized grains in high-purity Al
  35. Effect of various niobium additions on microstructure and mechanical behavior of a NiAl–Cr–Mo eutectic alloy
  36. The effect of exposure to elevated temperatures on the microstructure and hardness of Mg–Ca–Zn alloy
  37. Kinetics studies of hydrogen reduction of Cu2O
  38. Decomposition kinetics of expanded austenite with high nitrogen contents
  39. Estimation of the viscosity for Ag–In and In–Sb liquid alloys using different models
  40. Elevated temperature tensile properties of an extruded aluminium alloy reinforced with SiCp
  41. Notifications/Mitteilungen
  42. Richtlinien für Autoren
  43. Instructions for authors
  44. Personal/ personelles
  45. Press/ Presse
  46. Conferences /Konferenzen
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