中间退火及成品退火速率对高压阳极铝箔微观组织的影响

doi:10.11896/j.issn.1005-023X.2018.10.008

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Abstract The effect of the inter-annealing temperature and heating rate of final annealing on the microstructure of high-vol-tage anode aluminum foils was investigated by electron back scattered diffraction (EBSD) and X-ray diffraction (XRD). The results demonstrated that the inter-annealing temperature played a key role on the formation of cube texture in the final products, because the low inter-annealing retained lots of deformation stored energy and provided great driving force for the nucleation. Simultaneously, the cube texture deflected dramatically from the idea position at a lower inter-annealing temperature. With the increase of annealing heating rate during final annealing, the fraction and grain size of recrystallization decreased gradually, because a higher annealing heating rate (below the critical heating rate) reduced the time available for grain boundary migration and retarded the recrystallization.

Key words： inter-annealing high purity aluminum foil annealing heating rate microstructure texture

Published: 06 July 2018

CLC number:

TG146

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	Articles by authors
	WANG Yunlei
	ZHANG Jie
	GONG Lijuan

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WANG Yunlei,ZHANG Jie,GONG Lijuan. Effect of Inter-annealing and Final-annealing Heating Rate on Microstructure of Aluminum Foils for High-voltage Anode[J]. Materials Reports, 2018, 32(10): 1612-1617.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2018.10.008 OR http://www.mater-rep.com/EN/Y2018/V32/I10/1612

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