• Laser & Optoelectronics Progress
  • Vol. 55, Issue 1, 11401 (2018)
Yang Yongqiang*, Chen Jie, Song Changhui, Wang Di, and Bai Yuchao
Author Affiliations
  • School of Mechanical & Automotive Engineering, South China University of Technology, Guangzhou, Guangdong 510640, China
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    DOI: 10.3788/LOP55.011401 Cite this Article Set citation alerts
    Yang Yongqiang, Chen Jie, Song Changhui, Wang Di, Bai Yuchao. Current Status and Progress on Technology of Selective Laser Melting of Metal Parts[J]. Laser & Optoelectronics Progress, 2018, 55(1): 11401 Copy Citation Text show less
    Principle diagram of SLM processing
    Fig. 1. Principle diagram of SLM processing
    SEM images of 316L-NiB alloys formed by SLM process (f=20 Hz; N=20). (a) τ=2 ms, Ep=3.47 J; (b)(c) τ=2 ms, Ep=2.45 J; (d) τ=4 ms, Ep=4.06 J[22]
    Fig. 2. SEM images of 316L-NiB alloys formed by SLM process (f=20 Hz; N=20). (a) τ=2 ms, Ep=3.47 J; (b)(c) τ=2 ms, Ep=2.45 J; (d) τ=4 ms, Ep=4.06 J[22]
    Surface profiles of 316L-NiB samples formed by SLM process. (a) f=20 Hz, Ep=3.86 J, τ=3 ms; (b) f=40 Hz, Ep=1.58 J, τ=2 ms[22]
    Fig. 3. Surface profiles of 316L-NiB samples formed by SLM process. (a) f=20 Hz, Ep=3.86 J, τ=3 ms; (b) f=40 Hz, Ep=1.58 J, τ=2 ms[22]
    Macrograph of formed porous material[23]
    Fig. 4. Macrograph of formed porous material[23]
    Grain structures under SEM[23]
    Fig. 5. Grain structures under SEM[23]
    Inclination angle γ between SLM specimen and substrate[28]
    Fig. 6. Inclination angle γ between SLM specimen and substrate[28]
    Fracture morphologies after tensile tests at room temperature. (a)-(c) Cast; (d)-(f) samples formed by SLM with inclination angle of 90°; (g)-(i) samples after heat-treatment at 723 K[28]
    Fig. 7. Fracture morphologies after tensile tests at room temperature. (a)-(c) Cast; (d)-(f) samples formed by SLM with inclination angle of 90°; (g)-(i) samples after heat-treatment at 723 K[28]
    Knee implants with porous solid structures deposited on dissimilar-material substrate[31]
    Fig. 8. Knee implants with porous solid structures deposited on dissimilar-material substrate[31]
    Cu-4.3%Sn etched by Klemm's I reagent under optical microscope[36]
    Fig. 9. Cu-4.3%Sn etched by Klemm's I reagent under optical microscope[36]
    Stress-strain curves for Cu-10Sn bronze formed by SLM and cast at room temperature, where inset is Cu-10Sn bronze propeller fabricated by SLM[38]
    Fig. 10. Stress-strain curves for Cu-10Sn bronze formed by SLM and cast at room temperature, where inset is Cu-10Sn bronze propeller fabricated by SLM[38]
    (a) SLM process; (b) different orientations of cylinder on substrate as shown in Fig. 11(a); (c) geometric parameters of specimens for tensile tests[41]
    Fig. 11. (a) SLM process; (b) different orientations of cylinder on substrate as shown in Fig. 11(a); (c) geometric parameters of specimens for tensile tests[41]
    Aviation rotating shaft component[44]
    Fig. 12. Aviation rotating shaft component[44]
    Complex aviation components formed by SLM[45]
    Fig. 13. Complex aviation components formed by SLM[45]
    Surgical spine guide-plate formed by SLM[46]
    Fig. 14. Surgical spine guide-plate formed by SLM[46]
    Knee joint implant formed by SLM[47]
    Fig. 15. Knee joint implant formed by SLM[47]
    SEM images of Co-Cr-alloy cardiovascular stents formed by SLM. (a)(b) Ppeak=180 W, t=100 μs; (c)(d) Ppeak=40 W, t=120 μs[48]
    Fig. 16. SEM images of Co-Cr-alloy cardiovascular stents formed by SLM. (a)(b) Ppeak=180 W, t=100 μs; (c)(d) Ppeak=40 W, t=120 μs[48]
    (a) Ti-6Al-4V powder; (b) CAD model; (c) SLM process; (d) manufactured model[49]
    Fig. 17. (a) Ti-6Al-4V powder; (b) CAD model; (c) SLM process; (d) manufactured model[49]
    (a) CAD design model; (b) alloy implant formed by SLM and substrate components; (c) implant specimen after polishing[50]
    Fig. 18. (a) CAD design model; (b) alloy implant formed by SLM and substrate components; (c) implant specimen after polishing[50]
    Porous implants used in living animal experiments and arrows indicate building orientation. (a) P300 plate; (b) P600 plate; (c) P900 plate; (d) P300 cylinder; (e) P600 cylinder; (f) P900 cylinder[51]
    Fig. 19. Porous implants used in living animal experiments and arrows indicate building orientation. (a) P300 plate; (b) P600 plate; (c) P900 plate; (d) P300 cylinder; (e) P600 cylinder; (f) P900 cylinder[51]
    Specimens formed by SLM[52]
    Fig. 20. Specimens formed by SLM[52]
    Die casting mold formed by SLM[53]
    Fig. 21. Die casting mold formed by SLM[53]
    CAD-models of optimized bionic structure and its support structure[55]
    Fig. 22. CAD-models of optimized bionic structure and its support structure[55]
    Free-assembly universal joint formed by SLM[57]
    Fig. 23. Free-assembly universal joint formed by SLM[57]
    Diagram of SLM process with high-speed camera monitor[61]
    Fig. 24. Diagram of SLM process with high-speed camera monitor[61]
    γ /(°)Ra /μmRq /μmRz /μm
    InitialFinalInitialFinalInitialFinal
    MeanStandarddeviationMeanStandarddeviationMeanStandarddeviationMeanStandarddeviationMeanStandarddeviationMeanStandarddeviation
    03.930.891.280.054.771.051.980.8818.913.516.132.55
    22.512.740.893.841.0715.611.314.521.2165.569.3014.823.99
    4515.540.691.590.6818.900.901.920.8077.623.007.252.95
    67.512.251.961.040.6614.872.021.230.7461.495.504.222.56
    9011.741.291.260.9114.041.331.470.8956.124.055.913.10
    112.511.251.090.870.2813.631.251.010.3356.954.463.401.26
    13522.682.272.520.4127.611.952.880.46109.805.429.301.41
    Table 1. Ra, Rq and Rz of specimens before and after surface treatment[29]
    Yang Yongqiang, Chen Jie, Song Changhui, Wang Di, Bai Yuchao. Current Status and Progress on Technology of Selective Laser Melting of Metal Parts[J]. Laser & Optoelectronics Progress, 2018, 55(1): 11401
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