Effect of annealing treatment on solid state recycled magnesium alloy AZ91D

Ying Nan Lin, Jian Yih Wang, Shyong Lee

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A practical and important idea regarding solid state recycling of magnesium alloys is explored, Chips of AZ91D have been put in hot air environment for accelerated oxidation to simulate the to-be-recycled state of Mg alloy scraps. These chips materials received extrusion process and subsequent annealing treatment. Tensile tests showed that the extruded plate had higher strength than that of ordinary die cast counterpart. Micro-structure investigation indicated it was probably due to finer grains of the Mg matrix as a result of extrusion. Further annealing did not seem to alter this fine structure, yet it could diminish some un-favored form of Mg17Al122 compound. Thus, post-annealed solid state recycled AZ91D showed impressive strengths and elongations.

Original languageEnglish
Title of host publicationEco-Materials Processing and Design VIII - ISEPD-8, Proceedings of the 8th International Symposium on Eco-Materials Processing and Design
PublisherTrans Tech Publications Ltd
Pages243-246
Number of pages4
ISBN (Print)0878494316, 9780878494316
DOIs
StatePublished - 2007
Event8th International Symposium on Eco-Materials Processing and Design, ISEPD-8 - Kitakyushu, Japan
Duration: 11 Jan 200713 Jan 2007

Publication series

NameMaterials Science Forum
Volume544-545
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference8th International Symposium on Eco-Materials Processing and Design, ISEPD-8
Country/TerritoryJapan
CityKitakyushu
Period11/01/0713/01/07

Keywords

  • AZ91D
  • Extrusion
  • Magnesium alloy
  • Solid state recycling

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