Ultrafine spherulite Mg alloy with high yield strength

DOI Web Site Web Site 被引用文献2件 参考文献32件

書誌事項

公開日
2019-05
資源種別
journal article
権利情報
  • https://www.elsevier.com/tdm/userlicense/1.0/
  • https://www.elsevier.com/legal/tdmrep-license
DOI
  • 10.1016/j.jallcom.2019.01.080
公開者
Elsevier BV

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説明

Abstract Under high-temperature and high-pressure conditions, the long-period stacking-ordered structure in Mg85Y9Zn6 transforms to a dual-phase structure consisting of a hexagonal close-packed lattice and a face-centered cubic lattice. After further solidification at high-pressure, unique ultrafine microstructures are formed. The alloy recovered after subjected at 10 GPa and 973 K exhibited a fine lamella structure, and a 0.2% proof stress (σ0.2) of 480 MPa obtained by the compression test. Further the alloy recovered after subjected at 10 GPa and 1273 K, a unique spherulite structure were formed, and its σ0.2 improved to 780 MPa.

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