Ruidong Xie, Jinwei Zhu, Hang Zhang, Bin Cui, Lianzhong Zhang, Dichen Li, Feng Gao. Review of Detection, Analysis and Control of Temperature Field in Laser Additive Manufacturing[J]. Laser & Optoelectronics Progress, 2020, 57(5): 050003
- Laser & Optoelectronics Progress
- Vol. 57, Issue 5, 050003 (2020)
![Comparison of simulation of SLM ripple-angle θ of track (down) and real ripple-angle (up)[15]](/richHtml/lop/2020/57/5/050003/img_1.jpg)
Fig. 1. Comparison of simulation of SLM ripple-angle θ of track (down) and real ripple-angle (up)[15]
![Prediction of thermal stresses and distortion of SLM cantilever by coupled thermo-mechanical simulation[17]](/richHtml/lop/2020/57/5/050003/img_2.jpg)
Fig. 2. Prediction of thermal stresses and distortion of SLM cantilever by coupled thermo-mechanical simulation[17]
![Temperature field simulation of Fe50 alloy LCD on a 45 carbon steel base board[21]](/Images/icon/loading.gif){kind=icon}
Fig. 3. Temperature field simulation of Fe50 alloy LCD on a 45 carbon steel base board[21]
Fig. 4. 3D Simulation of temperature and convection velocity distribution of Ni-based alloy LCD melt pool [23]. (a) Temperature field; (b) heat convection velocity field
Fig. 5. Detection of SLM melt pool temperature based on high-speed camera [29]. (a) Two high-speed cameras coaxial to the laser beam path; (b) melt pool temperature image of a single track
Fig. 6. Detection of LCD temperature field based oninfrared camera[32]. (a) Infrared camera and cylindrical specimens during deposition process; (b) temperature distribution image of sample and melt pool
Fig. 7. Temperature detection of LCD melt pool and track based on two-color pyrometers[33]. (a) Schematic diagram of temperature detection; (b) temperature curve at the fixed location of the track; (c) temperature curves of the melt pool
Fig. 8. Melt pool temperature feedback control in LCD process[46]. (a) Schematic diagram of LCD process with closed loop control; (b) 316L stainless steel turbine blades manufactured with and without control
Fig. 9. Microstructure ofAl7075 LCD samples built without and with preheating[55]
Fig. 10. Effect of reducing thermal deform of AlSi10Mg SLM cantilevers by substrate preheating[60]. (a) On non-preheated substrate; (b) with a preheating temperature of 200 ℃
Fig. 11. Microstructures of the deposited Stellite 1 on non-preheated and preheated substrates[63]. (a) On non-preheated substrate; (b) on preheated substrate
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