Synthesis and mechanical properties of nanostructured Mg-Al-Nd alloys

C. Yan, L. Ye, L. L. Yan, L. Lu, M. O. Lai, Y. W. Mai

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

2 Citations (Scopus)

Abstract

In this work, nanostructured Mg-Al-Nd alloys were successfully fabricated using mechanical alloying method. Phase structures of the milled powders and the extruded rods were examined using X-ray diffraction (XRD) and the microstructures were observed using a transmission electron microscope (TEM). The element distributions were also examined by an energy dispersive spectroscopy (EDS) system. The mechanical properties were estimated using tensile and impact tests. The fracture surfaces of the tensile and impact specimens were observed using a scanning electron microscope (SEM). The results showed that the grain size of the Mg-Al-Nd alloys could be reduced to below 100 nm after 20-30 hours milling. The effects of alloy composition and processing conditions on strength and ductility were analyzed. The possible mechanisms of plastic deformation in these alloys were also proposed.

Original languageEnglish
Title of host publicationInternational Symposium on Macro-, Meso-, Micro- and Nano-Mechanics of Materials, MM2003
PublisherTrans Tech Publications
Pages93-100
Number of pages8
ISBN (Print)0878499792, 9780878499793
DOIs
Publication statusPublished - 2006
Externally publishedYes
EventInternational Symposium on Macro-, Meso-, Micro- and Nano-Mechanics of Materials, MM2003 - Hong Kong, Hong Kong
Duration: 8 Dec 200310 Dec 2003

Publication series

NameAdvanced Materials Research
Volume9
ISSN (Print)1022-6680

Conference

ConferenceInternational Symposium on Macro-, Meso-, Micro- and Nano-Mechanics of Materials, MM2003
Country/TerritoryHong Kong
CityHong Kong
Period8/12/0310/12/03

Keywords

  • Ductility
  • Magnesium alloy
  • Mechanical alloying
  • Microstructure
  • Phase
  • Strength

ASJC Scopus subject areas

  • General Engineering

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