Transformation kinetics and microstructures of Ti17 titanium alloy during continuous cooling

We have investigated the microstructure evolutions in the Ti17 near titanium alloy during heat treatments. The phase transformation has first been studied experimentally by combining X-ray diffraction analysis, electrical resistivity and microscopy observations. From a series of isothermal treatment...

Full description

Saved in:
Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2007-03, Vol.448 (1-2), p.135-145
Main Authors: TEIXEIRA, Julien Da Costa, APPOLAIRE, Benoit, AEBY-GAUTIER, Elisabeth, DENIS, Sabine, CAILLETAUD, Georges, SPÄTH, Nadine
Format: Article
Language:English
Subjects:
Applied sciences
Condensed Matter
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Foundry engineering
Materials Science
Metals. Metallurgy
Other casting methods. Solidification
Phase diagrams and microstructures developed by solidification and solid-solid phase transformations
Physics
Production techniques
Solidification
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:We have investigated the microstructure evolutions in the Ti17 near titanium alloy during heat treatments. The phase transformation has first been studied experimentally by combining X-ray diffraction analysis, electrical resistivity and microscopy observations. From a series of isothermal treatments, a IT diagram has been determined, which takes into account the different morphologies. Then, a Johnson-Mehl-Avrami-Kolmogorov (JMAK) model has been successfully used to describe the phase transformation kinetics during either isothermal or cooling treatments. Finally, the coupling of the JMAK model to the finite element software ZeBuLoN allowed us to investigate the evolution of the spatial distribution of the different morphologies during the cooling of an aircraft engine shaft disk after forging.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2006.10.024