Chin. Phys. Lett.  1999, Vol. 16 Issue (3): 196-198    DOI:
Original Articles |
Modification of TiN Coatings by N+ and C+ Implantation with High Ion Flux
ZHANG Tong-he;WU Yu-guang;ZHAO Zhi-yong;DENG Zhi-wei
Institute of Low Energy Nuclear Physics, Radiation Beam and Materials Engineering Open Laboratory of Department of Education of China, Beijing Radiation Center, Beijing Normal University, Beijing 100875
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ZHANG Tong-he, WU Yu-guang, ZHAO Zhi-yong et al  1999 Chin. Phys. Lett. 16 196-198
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Abstract The TiN coating changed from columnar structure to compact texture after N+ and C+ implantation. X-ray analysis showed that combining with N atoms, Ti and Ti2N would be transformed into TiN Phases during N implantation. The ternary solid solution mixtures TiCN have been formed, while Ti, Ti2N would be transformed into TiC and TiCN phases combining with C atoms after C implantation. The hardness of the TiN coating increased by 2.3-2.4 times after N+ or C+ implantation. The wear resistance of implanted TiN coatings is 2-3 times higher than that of unimplanted TiN coatings. When the drills were treated with the method, their lifetime would increase by 7 times comparing with unimplanted ones. As an attractive procedure, the ion implantation of the TiN coatings would find new applications in many fields.

Keywords: 61.72.Ww      62.20.-x      68.55.Ln     
Published: 01 March 1999
PACS:  61.72.Ww  
  62.20.-x (Mechanical properties of solids)  
  68.55.Ln (Defects and impurities: doping, implantation, distribution, concentration, etc.)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1999/V16/I3/0196
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WU Yu-guang
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