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Microstructure and mechanical properties of variable-plane-rolled Mg–3Al–1Zn alloy
Highlights AZ31 with extensive twins was produced by means of variable-plane rolling. AZ31 alloy lies in favoured orientations for extension twinning during rolling. AZ31 showed an excellent balance of mechanical properties. A weak double-peak basal texture is formed.
Abstract A flawless bulk AZ31 magnesium alloy with extensive mechanical twins was produced by variable-plane rolling, in which the sample was rotated 90° around its longitudinal axis between passes. The unique orientation relationship between the parent grains and the twin grains favours twinning during variable-plane rolling, which leads to the formation of extensive twins. Tensile testing revealed an excellent balance of mechanical properties, with a yield strength of 280MPa and 15.5% elongation to failure. The significant strengthening originates from the effective blockage of glide dislocations by numerous conventional grain boundaries and twin boundaries. A weak double-peak (slightly off-basal) texture is formed during variable-plane rolling, which helps in achieving the desired level of ductility.
Microstructure and mechanical properties of variable-plane-rolled Mg–3Al–1Zn alloy
Highlights AZ31 with extensive twins was produced by means of variable-plane rolling. AZ31 alloy lies in favoured orientations for extension twinning during rolling. AZ31 showed an excellent balance of mechanical properties. A weak double-peak basal texture is formed.
Abstract A flawless bulk AZ31 magnesium alloy with extensive mechanical twins was produced by variable-plane rolling, in which the sample was rotated 90° around its longitudinal axis between passes. The unique orientation relationship between the parent grains and the twin grains favours twinning during variable-plane rolling, which leads to the formation of extensive twins. Tensile testing revealed an excellent balance of mechanical properties, with a yield strength of 280MPa and 15.5% elongation to failure. The significant strengthening originates from the effective blockage of glide dislocations by numerous conventional grain boundaries and twin boundaries. A weak double-peak (slightly off-basal) texture is formed during variable-plane rolling, which helps in achieving the desired level of ductility.
Microstructure and mechanical properties of variable-plane-rolled Mg–3Al–1Zn alloy
Zhu, Rong (author) / Liu, Linli (author) / Wu, Yanjun (author) / Cai, Xiaotian (author) / Shen, Haibin (author)
2014-02-21
5 pages
Article (Journal)
Electronic Resource
English
Microstructure and mechanical properties of variable-plane-rolled Mg-3Al-1Zn alloy
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