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Friction stir processed rare earth containing magnesium alloy for high temperature application
Published in Trans Tech Publications Ltd
2012
Volume: 710
   
Pages: 235 - 240
Abstract
Friction stir processing was performed on rare earth containing magnesium alloy AE42 with the aim of improving the mechanical properties. The resultant stir zone mechanical and metallurgical properties were analyzed to determine the application temperature of the zone. Stir zone microstructure was refined to 5 micron and the grain morphology was completely changed. Second phase intermetallics Al11RE3 and Al2RE were refined to submicron level tiny pieces and homogenously distributed throughout magnesium matrix. As a major achievement, both toughness and strength of the stir zone was improved by 15 to 25%. High temperature properties up to 250°C were better than base metal. The stir zone was capable of withstanding more temperature and stress than the base metal. © (2012) Trans Tech Publications.
About the journal
JournalMaterials Science Forum
PublisherTrans Tech Publications Ltd
ISSN02555476
Open AccessNo
Concepts (21)
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    AL11RE3
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    Base metals
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    Friction stir
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    Friction stir processing
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    GRAIN MORPHOLOGIES
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    MAGNESIUM ALLOY AE42
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    Matrix
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    METALLURGICAL PROPERTIES
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    Second phase
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    STIR ZONES
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    Submicron
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    Grain refinement
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    Industrial engineering
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    INTERMETALLICS
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    Magnesium
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    Magnesium alloys
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    Production engineering
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    Rare earths
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    Refining
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    High temperature applications
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    Mechanical properties