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The i nfluence of cube grain stored energy evolution on recrystallization texture and grain growth in 99.99% high purity Aluminum foil

YUNLEI WANG1, GUANGJIE HUANG1,* , QUN WANG2, QING LIU2,3

Affiliation

  1. College of Materials Science and Engineering, Chongqing Univers ity, Chongqing 400044, China
  2. College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
  3. National Engineering Research Centre for Magnesium Alloys, Chongqing University, Chongqing 400044, China

Abstract

The high purity aluminum sheet was subjected to cold rolling and final anneal ing at 500 ℃℃, which was investigated by technique of X-ray diffraction (XRD) and electron backscattered diffraction (EBSD) EBSD). The results show that an increasing of the energy gap between cube --{001}< grain and other orientat ed grain with an increased cold reduction, which supplies the energy to subsequent grain growth, especially for secondary grain growth, and the energy of orientat ed dependent acts as a driving force for grain growth abnormally during recrystallization after annealing, the mechanism of orientation energy difference which can explain the phenomenon for abnormal grain growth in annealed aluminum foil And the cube --{001}<100> grain is prior to nucleate and grow. Therefore, the cube grain stored energy play s an important role for grain growth through the whole microstructure evolution during deformation and annealing..

Keywords

High purity aluminum foils, Stored energy, Grain growth.

Citation

YUNLEI WANG, GUANGJIE HUANG, QUN WANG, QING LIU, The i nfluence of cube grain stored energy evolution on recrystallization texture and grain growth in 99.99% high purity Aluminum foil, Optoelectronics and Advanced Materials - Rapid Communications, 9, 7-8, July-August 2015, pp.990-994 (2015).

Submitted at: Dec. 1, 2014

Accepted at: June 24, 2015