Comparison of Fluorination Treatments to Improve the High Temperature Oxidation Resistance of TiAl Alloys in SO<sub>2</sub> Containing Environments-Reference-Cited by-同舟云学术

Comparison of Fluorination Treatments to Improve the High Temperature Oxidation Resistance of TiAl Alloys in SO₂ Containing Environments

Published:2010-01 Issue: Volume:638-642 Page:1374-1378
ISSN:1662-9752
Container-title:Materials Science Forum
language:
Short-container-title:MSF

Author:

Masset Patrick J.¹,Yankov Rossen²,Kolitsch Andreas²,Schütze Michael³

Affiliation:

1. ATZ Entwicklungszentrum

2. Helmholtz-Center Dresden-Rossendorf

3. Karl-Winnacker-Institut der DECHEMA

Abstract

Surfaces of titanium aluminides were treated by fluorine either physically using Plasma Immersion Ion Implantation (PI³) or chemically with a F-based polymer. By controlling the fluorination parameters, both treatments improve the oxidation resistance even in the presence of sulfur dioxide (0.1 vol%). No sulfur was detected in the oxide scale although thermodynamic calculations predict the formation of sulfides. The inward diffusion of oxygen and nitrogen in the alloy was found to be reduced in the presence of SO2.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

https://www.scientific.net/MSF.638-642.1374.pdf

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