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Acta Metall Sin  2009, Vol. 45 Issue (8): 924-929    DOI:
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EFFECT OF Ce ON THE DYNAMIC RECRYSTALLIZATION AND TEXTURE OF AZ31 MAGNESIUM ALLOY DURING HOT ROLLING
LI Zaijiu; JIN Qinglin; JIANG Yehua; ZHOU Rong
Faculty of Mechanical and Electrical Engineering; KunMing University of Science and Technology; KunMing 650093
Cite this article: 

LI Zaijiu JIN Qinglin JIANG Yehua ZHOU Rong. EFFECT OF Ce ON THE DYNAMIC RECRYSTALLIZATION AND TEXTURE OF AZ31 MAGNESIUM ALLOY DURING HOT ROLLING. Acta Metall Sin, 2009, 45(8): 924-929.

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Abstract  

The effects of Ce on the dynamic recrystallization (DRX) and texture of AZ31 magnesium alloy during hot rolling were investigated. It was found that the twin DRX is suppressed in AZ31–1.0Ce alloy, the DRX is accelerated and the basal texture is weakened significantly by adding 1%Ce (mass fraction) into AZ31 alloy. The EBSD resuls show that besides (0001) basatexture, there is an apparent peak intensity beteen (0001) and 10¯10) in AZ31–1.0Ce alloy, which means the actvaion of non–basal slip system. The addition of Ce does not result in a decrease of c/a ratio. On the contrary, the c/a ratio is sightly increased by adding of 1%Ce. It indicates tht te activation of non–bsal slip sysem does not stem from the change of crystal structure. The activation of non–basal slip and the corresponding basal texture weakening are attributed to the change in atomic binding states anstacking fault energy.

Key words:  AZ31 alloy      Ce      yamic recrystallization      texture      c/a ratio     
Received:  12 January 2009     
ZTFLH: 

TG146.2

 
Fund: 

Supported by Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry (No.2008890) and Natural Science Foundation of Yunnan Province (No.2007E031M)

URL: 

https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y2009/V45/I8/924

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