Hot Working of the ZEK200 Magnesium Alloy
2008 ◽
Vol 604-605
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pp. 212-222
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Keyword(s):
A Value
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The high temperature workability of the ZEK200 Mg-alloy produced by Direct Chill casting (DC) was investigated by torsion testing between 200 and 450°C. The alloy exhibited a higher strength and a slightly lower equivalent strain to fracture than AZ31 and ZM21 produced by DC. The calculation of the constitutive equation gave a value of the activation energy for high temperature deformation close to 175 kJ/mol, in line with those calculated by following the same procedure in AZ31 and ZM21. Partial or complete recrystallization of the deformed structure was observed at 350 and 400°C respectively. Grain growth occurred after recrystallization in the samples tested at 450°C.
2017 ◽
2016 ◽
Vol 669
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pp. 108-116
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2013 ◽
Vol 570
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pp. 135-148
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2005 ◽
Vol 20
(1)
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pp. 13-17
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2013 ◽
Vol 15
(8)
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pp. 761-766
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Keyword(s):
2015 ◽
Vol 56
(1)
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pp. 17-22
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2011 ◽
Vol 64
(5)
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pp. 434-437
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