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Rolling and recrystallization textures in Al –Mg alloys

  • Seiichi Endou and Hirosuke Inagaki EMAIL logo
Published/Copyright: December 27, 2021
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 93 Issue 2

Abstract

By using the orientation distribution function analysis, rolling and recrystallization textures developed in Al –Mg alloys containing 6, 7 and 9 wt.% Mg were studied in detail. Also recrystallization behavior and precipitation of the β phase particles during annealing were investigated by using both optical and scanning electron microscopy. It turned out that cold rolling textures of these alloys were generally weak and random.

The recrystallization textures of Al-6 wt.% Mg alloy annealed at 450 °C were found to be strongly dependent on the heating rate to the annealing temperature. Annealing by rapid heating enhanced the formation of {103}<321> and {100}<013>, suppressing the development of {100}<001> strongly. This is because {103}<321> and {100}<013> recrystallized grains were preferentially formed at shear bands and at peripheries of deformed cube bands, respectively. {100}<001> recrystallized grains were consumed during grain growth by grains of these orientations. In annealing by slow heating, precipitation of the β phase particles, which occurred preferentially at shear bands at low annealing temperatures, suppressed the nucleation of {103}<321> recrystallized grains. In this case, {100}<001> formed during recrystallization at low annealing temperatures, further developed during subsequent grain growth at higher annealing temperatures, yielding {100}<001> and {123}<634> recrystallization textures, which were commonly observed in Al alloys. Increase in the Mg content suppressed the development of all these texture components. In Al-9 wt.% Mg, the recrystallization textures were quite random. They were affected neither by the annealing temperature nor by the heating rate to the annealing temperature. This was ascribed to its random rolling texture, and also to a large amount of the β phase particles which precipitated homogeneously within grains at low annealing temperatures, suppressing nucleation of recrystallized grains of all orientations equally.

Keywords: Al –Mg alloys; Rolling texture; Recrystallization texture; Heating rate; Cube texture
Prof. Dr. H. 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: 2001-10-30
Published Online: 2021-12-27

© 2002 Carl Hanser Verlag, München

Articles in the same Issue

  1. Frontmatter
  2. Articles/Aufsätze
  3. Phosphorus grain boundary diffusion and segregation in Fe–2.2 wt.% Si alloy
  4. Intermetallic compounds formed during the soldering reactions of eutectic Sn–9Zn with Cu and Ni substrates
  5. Thermal fatigue resistance in Pb-based solder alloys for electronic packaging
  6. Rolling and recrystallization textures in Al –Mg alloys
  7. Structures similar to a quasicrystal in technical aluminum alloys
  8. Processing map for hot working of hot rolled Mg– 11.5Li –1.5Al alloy
  9. Applications of computational thermodynamics
  10. Phase diagram of the Fe –Co –R system with R ⩽33.3 at.% Sm0.5Nd0.5
  11. Microstresses caused by uniaxial deformation and by mechanical surface treatments
  12. The influence of basic vs. rutile electrode on the composition of duplex stainless steel weldments
  13. Mixed mode I/III fracture toughness of Armco iron at 77 K
  14. Suitability assessment of replacement of conventional hot-working steels with maraging steel
  15. Suitability assessment of replacement of conventional hot-working steels with maraging steel
  16. Notifications/Mitteilungen
  17. Personal/Personelles
  18. Conferences/Tagungen
https://doi.org/10.3139/ijmr-2002-0023
Keywords for this article
Al –Mg alloys; Rolling texture; Recrystallization texture; Heating rate; Cube texture

Articles in the same Issue

  1. Frontmatter
  2. Articles/Aufsätze
  3. Phosphorus grain boundary diffusion and segregation in Fe–2.2 wt.% Si alloy
  4. Intermetallic compounds formed during the soldering reactions of eutectic Sn–9Zn with Cu and Ni substrates
  5. Thermal fatigue resistance in Pb-based solder alloys for electronic packaging
  6. Rolling and recrystallization textures in Al –Mg alloys
  7. Structures similar to a quasicrystal in technical aluminum alloys
  8. Processing map for hot working of hot rolled Mg– 11.5Li –1.5Al alloy
  9. Applications of computational thermodynamics
  10. Phase diagram of the Fe –Co –R system with R ⩽33.3 at.% Sm0.5Nd0.5
  11. Microstresses caused by uniaxial deformation and by mechanical surface treatments
  12. The influence of basic vs. rutile electrode on the composition of duplex stainless steel weldments
  13. Mixed mode I/III fracture toughness of Armco iron at 77 K
  14. Suitability assessment of replacement of conventional hot-working steels with maraging steel
  15. Suitability assessment of replacement of conventional hot-working steels with maraging steel
  16. Notifications/Mitteilungen
  17. Personal/Personelles
  18. Conferences/Tagungen
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