Tongzhou Xu, Chen Zhang, Changqing Sun, Haitao Chen, Ling Xu, Xiuhong Pan. Analysis of Micromorphology and Mechanical Properties of Laser Cladding Nickel/Tin-Based Babbitt Alloy[J]. Laser & Optoelectronics Progress, 2020, 57(3): 031403
- Laser & Optoelectronics Progress
- Vol. 57, Issue 3, 031403 (2020)
Fig. 1. Microstructures and morphologies of laser cladding tin-based Babbitt alloy in different positions. (a) 45 steel; (b) heat affected zone; (c) cladding layer of nickel/tin-based Babbitt alloy
Fig. 2. Microstructures and morphologies of laser cladding nickel/tin-based Babbitt alloy in different positions. (a) Bonding zone between substrate and transition layer; (b) diffusion zone between transition layer and cladding layer; (c) cladding layer of nickel/tin-based Babbitt alloy
Fig. 3. XRD analysis of surfaces of two cladding layers. (a) Nickel/tin-based Babbitt alloy; (b) tin-based Babbitt alloy
Fig. 4. SEM morphology and element distributions of cladding layer of tin-based Babbitt alloy. (a) SEM morphology; (b) surface-scanning result of tin; (c) surface-scanning result of copper; (d) surface-scanning result of antimony
Fig. 5. SEM morphology and element distributions of cladding layer of nickel/tin-based Babbitt alloy. (a) SEM morphology; (b) surface-scanning result of tin; (c) surface-scanning result of copper; (d) surface-scanning result of antimony; (e) surface-scanning result of nickel
Fig. 6. SEM morphology and EDS surface-scanning element distributions in transition zone. (a) SEM morphology; (b) surface-scanning result of tin; (c) surface-scanning result of antimony; (d) surface-scanning result of nickel; (e) surface-scanning result of copper
Fig. 7. Hardness of three samples as a function of depth
Fig. 8. Friction coefficient curves of three samples
Fig. 9. Wear contours of three samples. (a)Nickel/tin-based Babbitt alloy; (b) tin-based Babbitt alloy; (c) as-cast tin-based Babbitt alloy
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Table 1. Chemical composition of tin-based Babbitt alloy powder
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Table 2. Average friction coefficients and wear amounts of three samples
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