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Microstructure‐ P roperty Relationship for Friction Stir Processed Magnesium Alloy
Author(s) -
Arora Harpreet Singh,
Grewal Harpreet Singh,
Singh Harpreet,
Dhindaw Brij Kumar,
McPhail David,
Shollock Barbara,
Chater Richard,
Mukherjee Sundeep
Publication year - 2014
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.201300205
Subject(s) - friction stir processing , materials science , microstructure , electron backscatter diffraction , nanoindentation , alloy , grain size , metallurgy , magnesium alloy , texture (cosmology) , strain hardening exponent , composite material , artificial intelligence , computer science , image (mathematics)
Friction stir processing (FSP) of Mg based AE42 alloy was performed under single pass as well as double pass conditions. The evolution of microstructure was investigated using electron back scatter diffraction (EBSD) analysis. EBSD revealed that the grain size and texture varies within the nugget zone of friction stir processed region. The variation of mechanical properties across the nugget region was evaluated using nanoindentation. Hardness and Young's modulus was found to increase along the depth of the friction stir processed specimen. This was attributed to a finer grain structure with increasing depth. The friction stir processed specimen showed higher tendency toward strain hardening compared to as‐cast alloy. Understanding microstructure–property relationship paves the way for optimization of FSP conditions and development of advanced functional Mg alloys.