Shuang Liu, Qinying Wang, Yuchen Xi, Yirong Tang, Rui Pei, Shulin Bai. Effect of Heat Treatment on Mechanical and Anti-Corrosion Properties of Fe-Based Laser Cladded Coatings[J]. Laser & Optoelectronics Progress, 2019, 56(12): 121401
- Laser & Optoelectronics Progress
- Vol. 56, Issue 12, 121401 (2019)
Fig. 1. Surface morphologies before and after heat treatment. (a) Without heat treatment; (b) heat treatment of 600 ℃ × 2 h; (c) heat treatment of 750 ℃ × 2 h; (d) heat treatment of 900 ℃ × 2 h
Fig. 2. X-ray diffraction patterns of sample before and after heat treatment
Fig. 3. Cross-sectional microhardness distributions of substrate and coating
Fig. 4. Cross-sectional friction coefficients of substrate and coating versus scratch distance
Fig. 5. Nyqusit curves of Fe-based cladding coating in NaCl solution with mass fraction of 3.5% at different heat treatment temperatures
Fig. 6. Potentiodynamic polarization curves of Fe-based cladding coating in NaCl solution with mass fraction of 3.5% at different heat treatment temperatures
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Table 1. Chemical compositions of Q235 carbon steel and Fe-based amorphous powder
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Table 2. Process parameters of laser cladding
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Table 3. Tafel fitting results of Fe-based cladding coating in NaCl solution with mass fraction of 3.5% at different heat treatment temperatures
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