Effect of Rare Earth Oxides on the Microstructure and Properties of Al2O3-ZrO2 Laser Cladding Layer

Ran Wang; Yuling Wang; Fulin Jiang; Fazhan Yang; Jinying Zhang

doi:10.3788/LOP202259.1914004

Laser & Optoelectronics Progress, Volume. 59, Issue 19, 1914004(2022)

Effect of Rare Earth Oxides on the Microstructure and Properties of Al₂O₃-ZrO₂ Laser Cladding Layer

Ran Wang¹, Yuling Wang^1、*, Fulin Jiang¹, Fazhan Yang¹, and Jinying Zhang²

Author Affiliations

¹School of Mechanical & Automotive Engineering, Qingdao University of Technology, Qingdao 266520, Shandong, China

²Qingdao Haixi Heavy-Duty Machinery Co., Ltd., Qingdao 266520, Shandong, China

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Figures & Tables(16)

Fig. 1. Laser cladding experimental device

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$Macromorphology of cladding layer under different mass fractions of rare earth elements$

Fig. 2. Macromorphology of cladding layer under different mass fractions of rare earth elements

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$Cross section morphologies of Al2O3-ZrO2 ceramic coatings under different mass fractions of rare earth elements. (a) 0%; (b) 0.2%; (c) 0.4%; (d) 0.6%; (e) 0.8%; (f) 1.0%; (g) 2.0%; (h) 3.0%$

Fig. 3. Cross section morphologies of Al₂O₃-ZrO₂ ceramic coatings under different mass fractions of rare earth elements. (a) 0%; (b) 0.2%; (c) 0.4%; (d) 0.6%; (e) 0.8%; (f) 1.0%; (g) 2.0%; (h) 3.0%

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$Microstructure of Al2O3-ZrO2 cladding layer under different mass fractions of rare earth elements. (a) 0%; (b) 0.2%; (c) 0.4%; (d) 0.6%; (e) 0.8%; (f) 1.0%; (g) 2.0%; (h) 3.0%$

Fig. 4. Microstructure of Al₂O₃-ZrO₂cladding layer under different mass fractions of rare earth elements. (a) 0%; (b) 0.2%; (c) 0.4%; (d) 0.6%; (e) 0.8%; (f) 1.0%; (g) 2.0%; (h) 3.0%

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$Crack propagation mode of cladding layer. (a) Transgranular fracture; (b) latent fracture$

Fig. 5. Crack propagation mode of cladding layer. (a) Transgranular fracture; (b) latent fracture

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$XRD patterns of Al2O3-ZrO2 cladding layers under different mass fractions of rare earth elements$

Fig. 6. XRD patterns of Al₂O₃-ZrO₂ cladding layers under different mass fractions of rare earth elements

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$Element distributions of Al2O3-ZrO2 cladding layer under different mass fractions of rare earth elements. (a) 0%; (b) 0.2%; (c) 0.4%; (d) 0.6%; (e) 0.8%; (f) 1.0%; (g) 2.0%; (h) 3.0%$

Fig. 7. Element distributions of Al₂O₃-ZrO₂cladding layer under different mass fractions of rare earth elements. (a) 0%; (b) 0.2%; (c) 0.4%; (d) 0.6%; (e) 0.8%; (f) 1.0%; (g) 2.0%; (h) 3.0%

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$Scanning results of EDS surface of cladding layer when the mass fraction of CeO2 is 0%$

Fig. 8. Scanning results of EDS surface of cladding layer when the mass fraction of CeO₂ is 0%

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$Indentation morphology of Al2O3-ZrO2 coatings under different mass fractions of rare earth elements. (a) 0%; (b) 0.2%; (c) 0.4%; (d) 0.6%; (e) 0.8%; (f) 1.0%; (g) 2.0%; (h) 3.0%$

Fig. 9. Indentation morphology of Al₂O₃-ZrO₂coatings under different mass fractions of rare earth elements. (a) 0%; (b) 0.2%; (c) 0.4%; (d) 0.6%; (e) 0.8%; (f) 1.0%; (g) 2.0%; (h) 3.0%

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$Change of fracture toughness of Al2O3-ZrO2 coating under different mass fractions of rare earth elements$

Fig. 10. Change of fracture toughness of Al₂O₃-ZrO₂ coating under different mass fractions of rare earth elements

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$Schematic diagram of crack propagation of cladding layer under different CeO2 mass fractions. (a) CeO2 mass fraction is 0%; (b) CeO2 mass fraction is 0.8%$

Fig. 11. Schematic diagram of crack propagation of cladding layer under different CeO₂ mass fractions. (a) CeO₂ mass fraction is 0%; (b) CeO₂ mass fraction is 0.8%

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$Friction coefficient curves of cladding layer under different mass fractions of rare earth elements$

Fig. 12. Friction coefficient curves of cladding layer under different mass fractions of rare earth elements

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$Wear profile of cladding layer under different mass fractions of rare earth elements. (a) 0%; (b) 0.6%; (c) 0.8%;(d) 1.0%$

Fig. 13. Wear profile of cladding layer under different mass fractions of rare earth elements. (a) 0%; (b) 0.6%; (c) 0.8%;(d) 1.0%

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$Wear volume of cladding layer under different mass fractions of rare earth elements$

Fig. 14. Wear volume of cladding layer under different mass fractions of rare earth elements

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$SEM images of wear surface of cladding layer under different mass fractions of rare earth elements. (a) 0%; (b) 0.6%; (c) 0.8%; (d) 1.0%$

Fig. 15. SEM images of wear surface of cladding layer under different mass fractions of rare earth elements. (a) 0%; (b) 0.6%; (c) 0.8%; (d) 1.0%

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Table 1. Composition of Ti-6Al-4V
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Table 1. Composition of Ti-6Al-4V
Element Al V Fe O Si C N H Other Ti
Mass fraction /% 5.5-6.75 3.5-4.5 ≤0.3 ≤0.2 ≤0.15 ≤0.1 ≤0.05 ≤0.015 ≤0.4 Bal.

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Ran Wang, Yuling Wang, Fulin Jiang, Fazhan Yang, Jinying Zhang. Effect of Rare Earth Oxides on the Microstructure and Properties of Al₂O₃-ZrO₂ Laser Cladding Layer[J]. Laser & Optoelectronics Progress, 2022, 59(19): 1914004

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