Improving the surface hardness and wear resistance of Ti3SiC2 by boronizing treatment |
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| Authors: | C Li MS Li YC Zhou |
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| Affiliation: | a Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
b Graduate School of Chinese Academy of Sciences, Beijing 100039, China |
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| Abstract: | In order to modify surface properties of Ti3SiC2, boronizing was carried out through powder pack cementation in the 1100-1400 °C temperature range. After boronizing treatment, one mixture layer, composed of TiB2 and β-SiC, forms on the surface of Ti3SiC2. The growth of the coating is processed by inward diffusion of boron and obeys a linear rule. The boronizing increases the hardness of Ti3SiC2 from 3.7 GPa to a maximal 9.3 GPa and also significantly improves its wear resistance. |
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| Keywords: | Boronizing Ti3SiC2 Diffusion coatings Hardness Wear resistance |
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