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Titanium distributions in zone melted materials measured by SIMS.
1Institut für Festkörper- und Werkstofforschung Dresden, Postfach 270016, D-01171, Dresden, Germany.
Analytical and Bioanalytical Chemistry
|October 1, 1995
Summary
This study investigated titanium distribution during solidification in alloys and steel using zone melting. Researchers determined titanium distribution coefficients in iron-based alloys, revealing insights into solidification processes.
Area of Science:
- Metallurgical Engineering
- Materials Science
Background:
- Understanding solute distribution during solidification is crucial for controlling material properties.
- Titanium (Ti) segregation impacts the microstructure and performance of steels and alloys.
Purpose of the Study:
- To investigate the influence of solidification processes on titanium distribution.
- To determine the distribution coefficients of Ti in Fe-Ti and Fe-C-Ti alloys.
Main Methods:
- Zone melting apparatus used for controlled solidification.
- Secondary ion mass spectrometry (SIMS) for concentration profiling.
- Elemental mapping to analyze solidification structures and identify artifacts.
Main Results:
- Measured concentration profiles of Ti after conventional zone melting.
- Determined Ti distribution coefficients in model Fe-Ti and Fe-C-Ti alloys.
- Utilized elemental maps to study dendritic structures and validate measurements.
Conclusions:
- Solidification processes significantly influence Ti distribution in alloys and steel.
- The determined distribution coefficients provide quantitative data for Ti behavior.
- Elemental mapping is essential for accurate analysis of solidification phenomena.
