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Metallography, Microstructure, and Analysis
Erschienen in: Metallography, Microstructure, and Analysis 5/2015

01.10.2015 | Technical Article

Dislocation Density Evolution During Creep of AZ31 Mg Alloy: A Study by X-ray Diffraction Line Profile Analysis

verfasst von: Peiman Shahbeigi Roodposhti, Apu Sarkar, Korukonda L. Murty, Ronald O. Scattergood

Erschienen in: Metallography, Microstructure, and Analysis | Ausgabe 5/2015

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Abstract

X-ray diffraction line profile analysis technique was employed to investigate the dislocation density evolution during high temperature creep of Mg-3Al-1Zn alloy. The microstrains within the domain and dislocation density were calculated by the simplified Williamson–Hall and Williamson–Smallman methods. Further analysis on the possible dynamic recrystallization (DRX) and dynamic recovery (DRV) shows a relation between the number of dynamically recrystallized grains and the dislocation density. At constant temperature, higher stresses lead to more DRX and an enhancement on the dislocation density; whereas, at lower stresses the DRV is dominant leading to decrease in the dislocation density.
Vorheriger Artikel IMS Announces Metallography, Microstructure, and Analysis Paper as Winner of the Buehler Best Paper Award for 2014
Nächster Artikel Microstructure and Mechanical Properties of a TRIP-Aided Martensitic Steel

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Metadaten
Titel
Dislocation Density Evolution During Creep of AZ31 Mg Alloy: A Study by X-ray Diffraction Line Profile Analysis
verfasst von
Peiman Shahbeigi Roodposhti
Apu Sarkar
Korukonda L. Murty
Ronald O. Scattergood
Publikationsdatum
01.10.2015
Verlag
Springer US
Erschienen in
Metallography, Microstructure, and Analysis / Ausgabe 5/2015
Print ISSN: 2192-9262
Elektronische ISSN: 2192-9270
DOI
https://doi.org/10.1007/s13632-015-0220-6

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