Polarized light microscopy: utilization in the investigation of the recrystallization of aluminum alloys

To obtain specific properties and performance from a metallic material, it is necessary to control the microstructure. This imposes a need to monitor closely and/or predict microstructural transformations during downstream processing. One of the main features that determine the properties of wrought...

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Bibliographic Details
Published in:Materials characterization 2004-06, Vol.52 (3), p.165-177
Main Authors: Slámová, M, Očenášek, V, Vander Voort, G
Format: Article
Language:English
Subjects:
Aluminum alloys
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Light microscopy
Materials science
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Physics
Polarized light
Recrystallization
Solidification
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Summary:To obtain specific properties and performance from a metallic material, it is necessary to control the microstructure. This imposes a need to monitor closely and/or predict microstructural transformations during downstream processing. One of the main features that determine the properties of wrought metals and alloys is the status of their matrix, which may be changed by thermomechanical treatment procedures. Different softening processes, such as recovery, recrystallization (RX) or grain growth, may occur in cold- and hot-worked materials. The present paper focuses on different aspects of RX and the microscopic methods used for its study. Examples of the usefulness of light microscopy examinations in the study of RX of several aluminum alloys are given.
ISSN:1044-5803
1873-4189
DOI:10.1016/j.matchar.2003.10.010