Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 811, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2021.141084
Keywords
Mg?Gd?Ag alloy; Rolling; Aging; Anisotropy; Mechanical properties
Categories
Funding
- National Natural Science Foundation of China [51774109, 51979099]
- Natural Science Foundation of Jiangsu Province of China [BK20191303]
- Postgraduate Education Reform Project of Jiangsu Province [JGLX19_027]
- Key Research and Development Project of Jiangsu Province of China [BE2017148]
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A high-performance Mg-11Gd-2Ag alloy sheet was prepared using a process of high-temperature rolling combined with aging, showing strong tensile strength and low isotropy in mechanical response. This new material has potential for development in various applications.
A high-performance Mg?11Gd?2Ag (wt%) alloy sheet was prepared via a procedure of high-temperature rolling combined with aging. The sheet showed a tensile yield strength of 393 MPa, an ultimate tensile strength of 435 MPa, and an elongation of 5.2% along the rolling direction while possessing a near-isotropic mechanical response and a weak planar anisotropy. The grain refinement, the basal texture, the stabilized band-like structure boundaries, and the promoted precipitation of ?? and ?? nanoplates synergistically enhanced the strength. Especially, the grain orientation with a-axis randomly distributed in the rolling plane gave rise to the extra-low anisotropy. The present work is contributing to developing high-performance Mg alloy sheets and the broadening of their application.
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