Infrared and Laser Engineering, Volume. 51, Issue 5, 20210366(2022)
Effects of temperature field on properties of micro-structure of AlSi10Mg with laser metal deposition
Fig. 1. Schematic of Ar-supplied protective hollow beam deposition nozzle
Fig. 3. Infrared thermal imager to collect temperature field data and thermocouple to collect temperature data of substrate
Fig. 5. Parameter quantitative characterization process of temperature field with typical molten pool
Fig. 6. Curves of quantitative parameters of temperature field and laser absorptivity with laser power
Fig. 7. Comparison of the temperature fields between 600 W laser power and 900 W laser power. (a), (b) 2D infrared thermogram; (c), (d) Magnifed molten pool 2D infrared thermogram with isotherm
Fig. 8. Comparison of the temperature felds between 600 W and 900 W laser power. (a), (b) 3D temperature point cloud map; (c), (d) Temperature curves of vertical and horizontal to the scanning direction
Fig. 9. Microstructures of as-deposited sample under different
Fig. 10.
Fig. 11. As-deposited thin-wall samples with different
Fig. 12. Porosity and ultimate tensile strength UTS (MPa) of as-deposited thin-wall samples with different
Fig. 13. Tensile properties of as-deposited samples with molten pool
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Jiaxuan Cai, Le Wan, Shihong Shi, Jie Wu, Qiang Yang, Tuo Shi, Mengying Cheng. Effects of temperature field on properties of micro-structure of AlSi10Mg with laser metal deposition[J]. Infrared and Laser Engineering, 2022, 51(5): 20210366
Category: Lasers & Laser optics
Received: Jun. 2, 2021
Accepted: --
Published Online: Jun. 14, 2022
The Author Email: Le Wan (wanle9@qq.com)