Control of Reaction Kinetics During Friction Stir Processing

Control of Reaction Kinetics During Friction Stir Processing

Friction stir processing (FSP) was used to successfully embed galfenol particles into aluminum (AA 1100 Al) matrix uniformly. However, intermetallic layer of Al 3 Fe was formed around the galfenol particles. Activation energy for Al 3 Fe formation during FSP was estimated, and attempts were made to...

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Veröffentlicht in:Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2017-05, Vol.48 (5), p.2115-2119
Hauptverfasser: Das, Shamiparna, Martinez, Nelson Y., Mishra, Rajiv S., Grant, Glenn J., Jana, Saumyadeep
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum
Characterization and Evaluation of Materials
Chemistry and Materials Science
Communication
Friction
Kinetics
MATERIALS SCIENCE
Metallic Materials
Nanotechnology
Structural Materials
Surfaces and Interfaces
Thin Films
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Zusammenfassung:Friction stir processing (FSP) was used to successfully embed galfenol particles into aluminum (AA 1100 Al) matrix uniformly. However, intermetallic layer of Al 3 Fe was formed around the galfenol particles. Activation energy for Al 3 Fe formation during FSP was estimated, and attempts were made to minimize the Al 3 Fe layer thickness. By changing the processing conditions, FSP successfully eliminated the intermetallic layer. Hence, FSP, in addition to microstructural control, can successfully fabricate intermetallic-free embedded regions by controlling the reaction kinetics.
ISSN:1073-5623
1543-1940
DOI:10.1007/s11661-017-4013-1