4.7 Article

High strength and ductility AZ91 magnesium alloy with multi-heterogenous microstructures prepared by high-temperature ECAP and short-time aging

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2018.07.075

Keywords

Heterogenous microstructure; AZ91 alloy; Equal channel angular pressing; Aging; Microstructure

Funding

  1. Natural Science Foundation of Jiangsu Province [BK20160867, BK20160869]
  2. Fundamental Research Funds for the Central Universities [2017B12814]
  3. National Natural Science Foundation of China [51774109]
  4. China Postdoctoral Science Foundation [2016M591752]
  5. Jiangsu Planned Projects for Postdoctoral Research Funds [1501041A]

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A chessboard-like microstructured AZ91 alloy with multi-heterogenous structures was prepared via a combined processing method of high temperature ECAP and short-time aging. The ECAP-aged alloy exhibited superior mechanical properties with ultimate tensile strength of 406 MPa and elongation to failure of 17.9%.

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