Synthesis and characterization of Ni60-hBN high temperature self-lubricating anti-wear composite coatings on Ti6Al4V alloy by laser cladding

Xiao Long Lu; Xiu Bo Liu; Peng Cheng Yu; Shi Jie Qiao; Yong Jie Zhai; Ming Di Wang; Yao Chen; Dong Xu

doi:10.1016/j.optlastec.2015.10.005

Synthesis and characterization of Ni60-hBN high temperature self-lubricating anti-wear composite coatings on Ti6Al4V alloy by laser cladding

Xiao Long Lu, Xiu Bo Liu^*, Peng Cheng Yu, Shi Jie Qiao, Yong Jie Zhai, Ming Di Wang, Yao Chen, Dong Xu

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

118 Citations (Scopus)

Abstract

Ni60-hBN composite coatings with varying hBN content were prepared on Ti6Al4V substrates by laser cladding. The composite coatings with no cracks and few pores are bonded metallurgically with the substrates. The phase composition and microstructure of the composite coatings were investigated. The tribological properties of the composite coatings were evaluated under dry sliding wear test conditions at 20 °C, 300 °C and 600 °C, respectively. The microhardness gradually increased from the bottom to the top of the coating and increased with increasing of hBN content. The laser clad Ni60-10%hBN coating exhibits excellent tribological behavior at high temperatures (300 °C and 600 °C).

Original language	English
Pages (from-to)	87-94
Number of pages	8
Journal	Optics and Laser Technology
Volume	78
DOIs	https://doi.org/10.1016/j.optlastec.2015.10.005
Publication status	Published - 1 Apr 2016
Externally published	Yes

Keywords

Laser cladding
Microstructure
Self-lubrication
Wear

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10.1016/j.optlastec.2015.10.005

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title = "Synthesis and characterization of Ni60-hBN high temperature self-lubricating anti-wear composite coatings on Ti6Al4V alloy by laser cladding",

abstract = "Ni60-hBN composite coatings with varying hBN content were prepared on Ti6Al4V substrates by laser cladding. The composite coatings with no cracks and few pores are bonded metallurgically with the substrates. The phase composition and microstructure of the composite coatings were investigated. The tribological properties of the composite coatings were evaluated under dry sliding wear test conditions at 20 °C, 300 °C and 600 °C, respectively. The microhardness gradually increased from the bottom to the top of the coating and increased with increasing of hBN content. The laser clad Ni60-10%hBN coating exhibits excellent tribological behavior at high temperatures (300 °C and 600 °C).",

keywords = "Laser cladding, Microstructure, Self-lubrication, Wear",

author = "Lu, {Xiao Long} and Liu, {Xiu Bo} and Yu, {Peng Cheng} and Qiao, {Shi Jie} and Zhai, {Yong Jie} and Wang, {Ming Di} and Yao Chen and Dong Xu",

note = "Publisher Copyright: {\textcopyright} 2015 Elsevier Ltd.",

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day = "1",

doi = "10.1016/j.optlastec.2015.10.005",

language = "English",

volume = "78",

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journal = "Optics and Laser Technology",

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TY - JOUR

T1 - Synthesis and characterization of Ni60-hBN high temperature self-lubricating anti-wear composite coatings on Ti6Al4V alloy by laser cladding

AU - Lu, Xiao Long

AU - Liu, Xiu Bo

AU - Yu, Peng Cheng

AU - Qiao, Shi Jie

AU - Zhai, Yong Jie

AU - Wang, Ming Di

AU - Chen, Yao

AU - Xu, Dong

PY - 2016/4/1

Y1 - 2016/4/1

N2 - Ni60-hBN composite coatings with varying hBN content were prepared on Ti6Al4V substrates by laser cladding. The composite coatings with no cracks and few pores are bonded metallurgically with the substrates. The phase composition and microstructure of the composite coatings were investigated. The tribological properties of the composite coatings were evaluated under dry sliding wear test conditions at 20 °C, 300 °C and 600 °C, respectively. The microhardness gradually increased from the bottom to the top of the coating and increased with increasing of hBN content. The laser clad Ni60-10%hBN coating exhibits excellent tribological behavior at high temperatures (300 °C and 600 °C).

AB - Ni60-hBN composite coatings with varying hBN content were prepared on Ti6Al4V substrates by laser cladding. The composite coatings with no cracks and few pores are bonded metallurgically with the substrates. The phase composition and microstructure of the composite coatings were investigated. The tribological properties of the composite coatings were evaluated under dry sliding wear test conditions at 20 °C, 300 °C and 600 °C, respectively. The microhardness gradually increased from the bottom to the top of the coating and increased with increasing of hBN content. The laser clad Ni60-10%hBN coating exhibits excellent tribological behavior at high temperatures (300 °C and 600 °C).

KW - Laser cladding

KW - Microstructure

KW - Self-lubrication

KW - Wear

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U2 - 10.1016/j.optlastec.2015.10.005

DO - 10.1016/j.optlastec.2015.10.005

M3 - Article

AN - SCOPUS:84946599568

SN - 0030-3992

VL - 78

SP - 87

EP - 94

JO - Optics and Laser Technology

JF - Optics and Laser Technology

ER -

Synthesis and characterization of Ni60-hBN high temperature self-lubricating anti-wear composite coatings on Ti6Al4V alloy by laser cladding

Abstract

Keywords

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