In-situ investigation of strain relaxation in an Al/Si–MMC using high energy synchrotron radiation
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Anke R. Pyzalla
, Björn Reetz
Abstract
Thermal and mechanical loading induce phase specific strains/stresses in MMCs. At elevated temperature part of the phase-specific strains/stresses relax. The relaxation of the phase-specific strains/stresses is determined by in-situ experiments using white high-energy synchrotron radiation. The experiments reveal that such time-resolved strain measurements are possible and that short-time phenomena can be accessed using white high-energy synchrotron radiation. The elastic strain relaxation behavior is similar for all lattice planes accessed. The influence of the temperature on the characteristic relaxation time is determined. The characteristic relaxation time appears to be independent of the amount of plastic deformation the sample suffers before strain/stress relaxation.
The authors acknowledge the provision of beamtime and equipment by the ESRF, Grenoble, France and the support by the beamline personnel. B. R., A. P. and W. R. also acknowledge funding by the Deutsche Forschungsgemeinschaft (DFG).
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© 2004 Carl Hanser Verlag, München
Articles in the same Issue
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- Physical metallurgy of high Nb-containing TiAl alloys
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- In-situ investigation of strain relaxation in an Al/Si–MMC using high energy synchrotron radiation
- Sigma-phase in duplex-stainless steels
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- Notifications/Mitteilungen
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Articles in the same Issue
- Frontmatter
- Editorial
- 50 Jahre Metallkunde-Kolloquium am Arlberg
- Articles Basic
- Microstructure and mechanical properties of Si and YN doped powder metallurgical tantalum
- Mechanical model for the deformation of the wood cell wall
- Physical metallurgy of high Nb-containing TiAl alloys
- Phase and microstructure selection in peritectic alloys under high G-V ratio
- Austenitic stainless steels of high strength and ductility
- Articles Applied
- Charakterisierung von Dual-Phasen- und TRIP-Stählen mittels Nanohärte und Röntgendiffraktometrie
- Mechanische Zuverlässigkeit von keramischen Kaltleiterbauelementen – Möglichkeiten zur Verbesserung
- Physical and materials aspects of photonic crystals for microwaves and millimetre waves
- In-situ investigation of strain relaxation in an Al/Si–MMC using high energy synchrotron radiation
- Sigma-phase in duplex-stainless steels
- Evolution of texture in Alloy 80A during initial ingot breakdown
- Characterisation of precipitates in a stainless maraging steel by three-dimensional atom probe and small-angle neutron scattering
- Modifikation von Titanlegierungen für medizinische Anwendungen
- Residual stresses in forged IN718 turbine discs
- Notifications/Mitteilungen
- Personal/Personelles