Microstructure and Friction and Wear Property of Nano-WC Reinforced Ni-Based Coating

Shu Da; Cui Xiangxiang; Li Zhuguo; Sun Jichao; Wang Gang; Si Wudong; Dai Sichao; Chen Xu

doi:10.3788/LOP57.211401

Laser & Optoelectronics Progress, Volume. 57, Issue 21, 211401(2020)

Microstructure and Friction and Wear Property of Nano-WC Reinforced Ni-Based Coating

Shu Da¹, Cui Xiangxiang¹, Li Zhuguo^2、*, Sun Jichao^2,3, Wang Gang¹, Si Wudong¹, Dai Sichao¹, and Chen Xu¹

Author Affiliations

¹安徽工程大学机械与汽车工程学院, 安徽芜湖 241000

²上海交通大学上海市激光制造与材料改性重点实验室, 上海 200240

³安徽工程大学计算机与信息学院, 安徽芜湖 241000

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Figures & Tables(14)

Fig. 1. Microtopography of the powder. (a) Ni60; (b) nano-WC

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Fig. 2. Semiconductor laser cladding system. (a) Semiconductor laser cladding device; (b) control system

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$Surface topography of nano-WC coating with different mass fractions. (a) 0; (b) 10%; (c) 20%; (d) 30%; (e) 40%$

Fig. 3. Surface topography of nano-WC coating with different mass fractions. (a) 0; (b) 10%; (c) 20%; (d) 30%; (e) 40%

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$SEM diagrams of the upper part of nano-WC reinforced coating with different mass fractions.(a) 10%; (b) 20%; (c) 30%; (d) 40%$

Fig. 4. SEM diagrams of the upper part of nano-WC reinforced coating with different mass fractions.(a) 10%; (b) 20%; (c) 30%; (d) 40%

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$SEM diagrams of different parts of reinforced coating when the mass fraction of nano-WC is 30%. (a) Upper part; (b) middle part; (c) lower part$

Fig. 5. SEM diagrams of different parts of reinforced coating when the mass fraction of nano-WC is 30%. (a) Upper part; (b) middle part; (c) lower part

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$EDS diagrams of different parts of block structure in the middle part of reinforced coating when the mass fraction of nano-WC is 30%. (a) Region A; (b) region B$

Fig. 6. EDS diagrams of different parts of block structure in the middle part of reinforced coating when the mass fraction of nano-WC is 30%. (a) Region A; (b) region B

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$XRD spectrum of reinforced coating when the mass fraction of nano-WC is 30%$

Fig. 7. XRD spectrum of reinforced coating when the mass fraction of nano-WC is 30%

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$Microhardness distribution curves of nano-WC reinforced coating with different mass fractions$

Fig. 8. Microhardness distribution curves of nano-WC reinforced coating with different mass fractions

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$Wear volume of nano-WC coating with different mass fractions$

Fig. 9. Wear volume of nano-WC coating with different mass fractions

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$Friction coefficient curves of nano-WC reinforced coating with different mass fractions$

Fig. 10. Friction coefficient curves of nano-WC reinforced coating with different mass fractions

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$3D topography of surface friction for different coatings. (a) Ni60 alloy coating; (b) nano-WC reinforced coating with mass fraction of 30%$

Fig. 11. 3D topography of surface friction for different coatings. (a) Ni60 alloy coating; (b) nano-WC reinforced coating with mass fraction of 30%

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Table 1. Chemical composition of 42CrMo steel
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Table 1. Chemical composition of 42CrMo steel
Element C Si Mn P S Cu Cr Mo Fe
Mass fraction /% 0.38--0.45 0.20--0.40 0.50--0.80 ≤0.04 ≤0.04 ≤0.30 0.90--1.20 0.15--0.25 Bal.

Table 2. Chemical composition of Ni60 alloy
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Table 2. Chemical composition of Ni60 alloy
Element C Cr Si B Fe Ni
Mass fraction /% 0.5--1.0 14.0--18.0 3.5--5.0 3.0--4.5 7.0--10.0 Bal.

Table 3. Ratio of cladding materials
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Table 3. Ratio of cladding materials
Sample Mass fraction ofNi60 /% Mass fraction ofnano-WC /%
#0 100 0
#1 90 10
#2 80 20
#3 70 30
#4 60 40

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Shu Da, Cui Xiangxiang, Li Zhuguo, Sun Jichao, Wang Gang, Si Wudong, Dai Sichao, Chen Xu. Microstructure and Friction and Wear Property of Nano-WC Reinforced Ni-Based Coating[J]. Laser & Optoelectronics Progress, 2020, 57(21): 211401

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