Quantification of microstructure-properties-behavior relations in magnesium alloys using a hybrid approach

K. Hazeli, J. Cuadra, P. A. Vanniamparambil, R. Carmi, A. Kontsos

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

This study presents a hybrid experimental mechanics approach combining multi-scale mechanical testing, in situ nondestructive evaluation and targeted microscopic quantification to identify and quantify critical microstructural parameters that affect properties and overall plasticity of Mg alloys. Room temperature monotonic and cyclic experiments monitored by Digital Image Correlation (DIC) coupled with Acoustic Emission (AE) of Mg Alloys of the AZ series were used for this investigation. Data obtained using the optico-acoustic nondestructive system revealed for the first time the direct connection between surface strain localization effects similar to Luder's bands and pronounced twin activity. Electron Back Scatter Diffraction (EBSD) measurements showed the profuse and spatially inhomogeneous nature of twinning at early stages of plasticity which is related with the onset of yielding and the macroscopic plateau region in the stress-strain curve. Furthermore, twinning/detwinning activity was identified in several grains of tested specimens and during characteristic points of fatigue cycles.

Original languageEnglish (US)
Title of host publicationMagnesium Technology 2014 - Held During TMS 2014 143rd Annual Meeting and Exhibition
PublisherMinerals, Metals and Materials Society
Pages121-124
Number of pages4
ISBN (Print)9781118888162
DOIs
StatePublished - 2014
Externally publishedYes
EventMagnesium Technology 2014 - TMS 2014 143rd Annual Meeting and Exhibition - San Diego, CA, United States
Duration: Feb 16 2014Feb 20 2014

Publication series

NameMagnesium Technology
ISSN (Print)1545-4150

Conference

ConferenceMagnesium Technology 2014 - TMS 2014 143rd Annual Meeting and Exhibition
Country/TerritoryUnited States
CitySan Diego, CA
Period2/16/142/20/14

Keywords

  • Acoustic emission
  • Digital image correlation
  • Fatigue
  • Magnesium alloys
  • Twinning-detwinning

ASJC Scopus subject areas

  • Engineering(all)

Fingerprint

Dive into the research topics of 'Quantification of microstructure-properties-behavior relations in magnesium alloys using a hybrid approach'. Together they form a unique fingerprint.

Cite this