Age hardening behavior of Al-Li alloys produced by sand mold process

Seiji Saikawa, Chiharu Otsubo, Susumu Ikeno, Koichi Komai

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

Abstract

Al-Li alloys have higher mechanical properties and more lightweight than other conventional aluminum alloys. Therefore, it is focused as a good material for weight reduction of industrial fields. However, since the Al-Li alloy are highly active and hard to cast, there has been limited research on casting. In this study, age-hardening behavior of Al-2.5mass%Li alloys cast into sand and metal mold were investigated. All alloys cast into Y-block shape sand mold, and then artificial aged after solution treated at 743K for 36ks. Because of difference in quantity of precipitation by metastable δ’(Al3Li) phase, peak hardness of metal mold casting is higher than that of sand molds castings.

Original languageEnglish
Title of host publicationTHERMEC 2016
EditorsChristof Sommitsch, Mihail Ionescu, Brajendra Mishra, Brajendra Mishra, Ernst Kozeschnik, T. Chandra
PublisherTrans Tech Publications Ltd
Pages1629-1633
Number of pages5
ISBN (Print)9783035711295
DOIs
StatePublished - 2017
Event9th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2016 - Graz, Austria
Duration: 2016/05/292016/06/03

Publication series

NameMaterials Science Forum
Volume879
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference9th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2016
Country/TerritoryAustria
CityGraz
Period2016/05/292016/06/03

Keywords

  • Age hardening
  • Al-Li
  • AlLi
  • Casting
  • Sand mold

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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