Formation of TiC hexagonal platelets and their growth mechanism |
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| Authors: | Shi-Bo Li Wei-Hua Xiang Hong-Xiang Zhai Yang Zhou |
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| Affiliation: | School of Mechanical and Electronic Control Engineering, Beijing Jiaotong University, Beijing 100044, China |
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| Abstract: | A large amount of TiC hexagonal platelets has formed on the surface of the sample made of Ti/Si/TiC/Al0.2 after sintering at above 1450 °C in an Ar atmosphere. The basal plane of TiC platelets is (111) facet confirmed by X-ray diffraction. Small amounts of Si and Al elements dissolved in the TiC crystal structure, influencing the structure of TiC. The detailed structure and growth mechanism of the TiC platelets have been observed and analyzed. A model has been proposed to understand the formation of TiC hexagonal platelets. |
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| Keywords: | Hexagonal platelets TiC Microstructure Growth mechanism |
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