Laser & Optoelectronics Progress, Volume. 55, Issue 4, 041403(2018)
Influence of Process Parameter on Microstructure and Crystallization Behavior of Fe-Based Alloy Processed by Laser Rapid Forming
Figures & Tables(7)
Fig. 1. Analysis of Fe-based alloy powder sample. (a) XRD result; (b) particle size distribution
Fig. 2. Surface morphologies of Fe-based alloy samples formed by laser rapid forming under different scanning speeds. (a) 400 mm·min-1; (b) 600 mm·min-1; (c) 1000 mm·min-1
Fig. 3. Morphologies of fusion zone and heat affected zone of Fe-based alloy in process of laser rapid forming under different scanning speeds. (a)-(c) 400 mm·min-1; (d)-(f) 600 mm·min-1; (g)-(i) 1000 mm·min-1
Fig. 5. Thermal cycling curves of fusion zone under different scanning speeds when laser power is 1200 W
Fig. 6. Thermal cycling curves of heat affected zone under different scanning speeds when laser power is 1200 W
Table 1. Chemical compositions of precipitated phases in fusion zone and heat affected zone (atomic fraction, %)
View tableTable 1. Chemical compositions of precipitated phases in fusion zone and heat affected zone (atomic fraction, %)
Precipitate Fe Cr Mo C B A 43.49 2.89 25.62 27.87 0.13 B 48.33 14.80 5.99 30.72 0.16 C 65.75 9.68 13.77 10.72 0.08 D 56.31 10.09 10.60 20.68 2.32 E 15.05 12.98 46.04 24.81 1.12
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Gang Wang, Yaping Liu, Yunzhuo Lu, Haitao Xu, Rongyun Zhang, Zhongjia Huang. Influence of Process Parameter on Microstructure and Crystallization Behavior of Fe-Based Alloy Processed by Laser Rapid Forming[J]. Laser & Optoelectronics Progress, 2018, 55(4): 041403
Paper Information
Category: Lasers and Laser Optics
Received: Oct. 30, 2017
Accepted: --
Published Online: Sep. 11, 2018
The Author Email: Gang Wang (gangwang@ahpu.edu.cn)
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