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Oxidation behavior of niobized TiAl by plasma surface alloying |
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| Authors: | Dongdong Chen Wenhuai Tian Jian Wang Xiaoping Liu School of Materials Science Engineering University of Science Technology Beijing Beijing China Research Institute of Surface Engineering Taiyuan University of Technology Taiyuan China |
| Affiliation: | [1]School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China [2]Research Institute of Surface Engineering, Taiyuan University of Technology, Taiyuan 030024, China |
| Abstract: | Plasma surface alloying of element Nb in TiAl-based alloys and the oxidation behavior were studied. The composition and microstructure of the surface alloyed layers were investigated by means of scanning electron microscopy (SEM),energy dispersive X-ray analysis (EDX),and X-ray diffraction (XRD). The experimental results indicate that the diffusion layers are formed on the TiAl substrate during the plasma niobizing process. The result from oxidation resistance investigation shows that plasma niobizing great... |
| Keywords: | TiAl alloys plasma niobizing oxidation resistance surface alloying |
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