Bo Xin, Xianxin Zhou, Yadong Gong, Haiquan Zhang, Tianhong Li. Impact of Z-Increment on Microstructure and Mechanical Properties of Laser Cladding Forming Parts[J]. Chinese Journal of Lasers, 2019, 46(11): 1102014
- Chinese Journal of Lasers
- Vol. 46, Issue 11, 1102014 (2019)
Fig. 1. Location and dimensions of tensile sample
Fig. 2. Longitudinal microstructures of single-pass cladding layer. (a) Bottom; (b) top; (c) overview
Fig. 3. Principle of solid-liquid interface moving in molten pool
Fig. 4. Microstructures of longitudinal sections of thin-walled parts
Fig. 5. Measuring method of size of single columnar grain
Fig. 6. Microstructures of thin-walled parts under different Z -increments in cross section. (a) 0.3 mm; (b) 0.6 mm; (c) 0.9 mm
Fig. 7. Mechanical properties of tensile sample in different directions. (a) Tensile strength; (b) elongation
Fig. 8. Fracture morphologies of tensile sample in different directions. (a) 90°; (b) 45°; (c) 0°
Fig. 9. Energy spectrum analysis of dimple at different positions. (a) Edge of dimple; (b) 2nd phase particles
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Table 1. Chemical composition of 316L stainless steel
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Table 2. Chemical composition of the substrate
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Table 3. Average length and width of columnar grain in different regions under different Z -increment
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