A study of p orientation {011} 566 in a continuous cast al-mn-mg alloy with pre-heat treatment

Qiang Zeng, Jianhui Xu, Xiuping Jiang, Tony Zhai, Xiyu Wen

Research output: Contribution to journalArticlepeer-review

Abstract

The as-received continuous cast Al-Mn-Mg alloy sheet was heat treated at 420°C, cold rolled to different thickness reductions, and then annealed at 510°C for 4 hours. The evolution of microstructures and crystallographic textures in the alloy during such thermo-mechanical treatment was investigated. It was found that a strong P orientation {011} 566 formed in these samples. With increase in cold rolling reduction, the recrystallized grain structure became more elongated and the strong P orientation developed. These might be attributed to the pinning of dislocations and grain boundaries by the fine precipitates formed during the pre-cold roll annealing rather than concurrent precipitation during recrystallization annealing.

Original languageEnglish
JournalSAE Technical Papers
DOIs
StatePublished - 2008

ASJC Scopus subject areas

  • Automotive Engineering
  • Safety, Risk, Reliability and Quality
  • Pollution
  • Industrial and Manufacturing Engineering

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