Grain refining and improving mechanical properties of a warm rolled AZ31 alloy plate

Grain refining and improving mechanical properties of a warm rolled AZ31 alloy plate
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温轧AZ31合金板的晶粒细化和力学性能的提高

DOI:
10.1016/j.matlet.2014.07.130
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发表时间:
2014-11
期刊:
MaterialsLetters
影响因子:
--
通讯作者:
Hongbiao Dong
Hongbiao Dong
中科院分区:
其他
文献类型:
--
作者:
Weili Cheng;Hans Jørgen Roven;Bingshe Xu;Hongbiao Dong

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AZ31镁合金经温轧后力学性能得到改善。该研究涉及预轧制条件,其中材料由孪晶组成,在后续加工中的再结晶晶粒细化中发挥关键作用。预先存在的孪晶界增加了温轧过程中再结晶形核位点的数量,并导致随后的退火过程中完全再结晶和基础织构的弱化。这导致热轧板的机械性能得到改善。
The mechanical properties of an AZ31 magnesium alloy were improved after warm rolling. The study involved a pre-rolling condition in which the material consisted of twins, playing a key role in recrystallization grain refinement upon subsequent processing. The pre-existing twin boundaries increased the number of nucleation sites for recrystallization during warm rolling, and resulted in complete recrystallization and weakening of the basal texture during subsequent annealing. This led to improved mechanical properties of the warm rolled plates.
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