Structure and tribological characteristics of nanocomposite Ti-B-N coatings

Dayan Ma; Shengli Ma; Kewei Xu; Weimin Liu; S. Veprek

Structure and tribological characteristics of nanocomposite Ti-B-N coatings

Dayan Ma, Shengli Ma, Kewei Xu, Weimin Liu, S. Veprek

科研成果: 期刊稿件 › 文章 › 同行评审

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摘要

The structure and properties of Ti-B-N coatings prepared by radio-frequency plasma-enhanced chemical vapor deposition (rf-PCVD) have been investigated in this work. The coatings were characterized by energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and optical microscopy. Ball-on-disk tribometer and microscopic hardness tester were employed in evaluating the mechanical properties of the coatings. The results show that the structure of the coatings is a nanocomposite, where nanocrystalline TiN is embedded in the amorphous BN and TiB₂ matrix. Compared with TiN coatings, the micro-hardness of Ti-B-N coatings can reach 40 GPa. The wear resistances of Ti-B-N coatings remarkably increase with a certain addition of boron, which caused the change of friction mechanism of TiN coatings, although its friction coefficient is higher than that of TiN.

源语言	英语
页（从-至）	1597-1600
页数	4
期刊	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
卷	34
期	10
出版状态	已出版 - 10月 2005
已对外发布	是

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title = "Structure and tribological characteristics of nanocomposite Ti-B-N coatings",

abstract = "The structure and properties of Ti-B-N coatings prepared by radio-frequency plasma-enhanced chemical vapor deposition (rf-PCVD) have been investigated in this work. The coatings were characterized by energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and optical microscopy. Ball-on-disk tribometer and microscopic hardness tester were employed in evaluating the mechanical properties of the coatings. The results show that the structure of the coatings is a nanocomposite, where nanocrystalline TiN is embedded in the amorphous BN and TiB2 matrix. Compared with TiN coatings, the micro-hardness of Ti-B-N coatings can reach 40 GPa. The wear resistances of Ti-B-N coatings remarkably increase with a certain addition of boron, which caused the change of friction mechanism of TiN coatings, although its friction coefficient is higher than that of TiN.",

keywords = "Hardness, PCVD, Ti-B-N coatings, Wear-resistance",

author = "Dayan Ma and Shengli Ma and Kewei Xu and Weimin Liu and S. Veprek",

year = "2005",

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language = "英语",

volume = "34",

pages = "1597--1600",

journal = "Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering",

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T1 - Structure and tribological characteristics of nanocomposite Ti-B-N coatings

AU - Ma, Dayan

AU - Ma, Shengli

AU - Xu, Kewei

AU - Liu, Weimin

AU - Veprek, S.

PY - 2005/10

Y1 - 2005/10

N2 - The structure and properties of Ti-B-N coatings prepared by radio-frequency plasma-enhanced chemical vapor deposition (rf-PCVD) have been investigated in this work. The coatings were characterized by energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and optical microscopy. Ball-on-disk tribometer and microscopic hardness tester were employed in evaluating the mechanical properties of the coatings. The results show that the structure of the coatings is a nanocomposite, where nanocrystalline TiN is embedded in the amorphous BN and TiB2 matrix. Compared with TiN coatings, the micro-hardness of Ti-B-N coatings can reach 40 GPa. The wear resistances of Ti-B-N coatings remarkably increase with a certain addition of boron, which caused the change of friction mechanism of TiN coatings, although its friction coefficient is higher than that of TiN.

AB - The structure and properties of Ti-B-N coatings prepared by radio-frequency plasma-enhanced chemical vapor deposition (rf-PCVD) have been investigated in this work. The coatings were characterized by energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and optical microscopy. Ball-on-disk tribometer and microscopic hardness tester were employed in evaluating the mechanical properties of the coatings. The results show that the structure of the coatings is a nanocomposite, where nanocrystalline TiN is embedded in the amorphous BN and TiB2 matrix. Compared with TiN coatings, the micro-hardness of Ti-B-N coatings can reach 40 GPa. The wear resistances of Ti-B-N coatings remarkably increase with a certain addition of boron, which caused the change of friction mechanism of TiN coatings, although its friction coefficient is higher than that of TiN.

KW - Hardness

KW - PCVD

KW - Ti-B-N coatings

KW - Wear-resistance

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JO - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

JF - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

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Structure and tribological characteristics of nanocomposite Ti-B-N coatings

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