Qianting Wang, Xianbin Zeng, Changrong Chen, Guofu Lian, Xu Huang, Yan Wang. Morphology, Microstructure, and Mechanical Properties of Fe50-TiC Composite Laser Cladding Layer on Cr12 Mold Steel[J]. Laser & Optoelectronics Progress, 2021, 58(7): 0714002
- Laser & Optoelectronics Progress
- Vol. 58, Issue 7, 0714002 (2021)
Fig. 1. SEM images of cladding powders. (a) Fe50 powder; (b) TiC powder
Fig. 2. Laser cladding system. （a） Photo； （b） schematic
Fig. 3. Cross-sectional profile of laser layers with different TiC contents. (a) Without TiC; (b) mass fraction of TiC is 5%; (c) mass fraction of TiC is 15%; (d) mass fraction of TiC is 25%; (e) mass fraction of TiC is 35%; (f) mass fraction of TiC is 45%; (g) mass fraction of TiC is 55%
Fig. 4. Microstructures of laser cladding layers with different TiC contents. (a) Without TiC; (b) mass fraction of TiC is 5%; (c) mass fraction of TiC is 15%; (d) mass fraction of TiC is 25%; (e) mass fraction of TiC is 35%; (f) mass fraction of TiC is 45%; (g) mass fraction of TiC is 55%
Fig. 5. Microhardness distributions of laser cladding layers
Fig. 6. Wear volume of cladding layers
Fig. 7. Friction coefficient curves of laser cladding layers
Fig. 8. Wear profile of cladding layers with different TiC contents. (a) Without TiC; (b) mass fraction of TiC is 5%; (c) mass fraction of TiC is 15%; (d) mass fraction of TiC is 25%; (e) mass fraction of TiC is 35%; (f) mass fraction of TiC is 45%; (g) mass fraction of TiC is 55%
Fig. 9. Porosity distribution of cladding layers
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Table 1. Chemical composition of Fe50 and TiC powders
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Table 2. Friction and wear parameter
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