Journal of Inorganic Materials, Volume. 38, Issue 7, 815(2023)

Laser-induced Self-propagating High-temperature Synthesis of Skutterudite

Lei YAO... Dongwang YANG*, Yonggao YAN and Xinfeng TANG* |Show fewer author(s)
Author Affiliations
  • State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
  • show less
    Figures & Tables(13)
    Laser-induced skutterudite SHS reaction process at room temperature
    (a) Schematic diagram of room temperature and preheating SHS experiment; (b) Physical picture of the preheating module; (c-h) I. combustion wave front (t=0.95 s) and II. section photographs of powders compacts after SHS for sample Px(x=150, 200, 250, 300, 350, 400); (i) Trend graph of combustion temperature and combustion velocity changed with power density of ignition laser in CoSb3 system
    Four typical SHS performances in CoSb3 system with different preheating temperatures
    (a) Trend graph of combustion temperature changed with preheating temperature in CoSb3 system and (b) variation trend of combustion rate around region 3
    XRD patterns of compact powders after SHS in different preheating temperature ranges
    Schematic diagram of the SHS device
    XRD patterns of samples RT6.25, RT12.5 and RT25
    Time-dependent temperature graphs of sample Px at the thermocouple TC1 (black) and TC2 (red)
    Time-dependent temperature graphs of sample Tx(x=150, 160, 170, 200, 210, 220, 230, 240, 250, 330, 350, 380, 400) at the thermocouple TC1 (black) and TC2 (red)
    SE, BSE images ((a, c)×200, (b, d) ×5000) of (a, b) sample P300 and (c, d) sample T400
    • Table 1. Laser ignition process for SHS samples at room temperature

      View table
      View in Article

      Table 1. Laser ignition process for SHS samples at room temperature

      SampleIgnition time, t/s Laser power, P/W Scan rate, vL/(mm·s-1) Scan spacing,d/mm Energy density,η/(J·mm-2)
      RT6.250.815008000.106.25
      RT12.51.315004000.1012.5
      RT252.565004000.0525
    • Table 2. Laser ignition process of SHS samples under preheating condition

      View table
      View in Article

      Table 2. Laser ignition process of SHS samples under preheating condition

      SamplePreheating temperature,T/℃ Ignition time,t/s Laser power,P/W Energy density,η/(J·mm-2) SamplePreheating temperature,T/℃ Ignition time,t/s Laser power,P/W Energy density,η/(J·mm-2)
      P1503000.951501.88T2102100.953003.75
      P2003000.952002.50T2202200.953003.75
      P2503000.952503.13T2302300.953003.75
      P3003000.953003.75T2402400.953003.75
      P3503000.953504.38T2502500.953003.75
      P4003000.954005.00T3303300.953003.75
      T1501500.953003.75T3503500.953003.75
      T1601600.953003.75T3803800.953003.75
      T1701700.953003.75T4004000.953003.75
      T2002000.953003.75
    • Table 3. Area scanning and spot scanning results (Atomic percent) of samples P300 and T400

      View table
      View in Article

      Table 3. Area scanning and spot scanning results (Atomic percent) of samples P300 and T400

      Sample P300 (Fig. S5(a))Sample T400 (Fig. S5(c))
      AreaCo/%Sb/%AreaCo/%Sb/%
      Area a118.2481.76Area c120.1179.89
      Area a217.5482.46Area c218.7781.23
      Area a317.9982.01Area c320.9179.09
      Area a418.1481.86Area c419.1280.88
      Mean value17.9882.02Mean value19.7380.27
      Sample P300 (Fig. S5(b))Sample T400 (Fig. S5(d))
      SpotCo/%Sb/%SpotCo/%Sb/%
      Spot b115.6984.31Spot d119.8780.13
      Spot b219.6580.35Spot d219.1980.81
      Spot b314.2285.78Spot d319.7680.24
      Spot b417.2382.77Spot d419.8280.18
      Spot b518.8781.13Spot d521.7778.23
      Spot b621.3478.66Spot d622.0977.91
      Spot b718.5881.42Spot d721.6878.32
      Spot b816.6483.36Spot d818.5681.44
      Spot b920.7579.25Spot d918.5881.42
      Mean value18.1181.89Mean value20.1579.85
    Tools

    Get Citation

    Copy Citation Text

    Lei YAO, Dongwang YANG, Yonggao YAN, Xinfeng TANG. Laser-induced Self-propagating High-temperature Synthesis of Skutterudite[J]. Journal of Inorganic Materials, 2023, 38(7): 815

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category:

    Received: Nov. 28, 2022

    Accepted: --

    Published Online: Dec. 28, 2023

    The Author Email: YANG Dongwang (ydongwang@whut.edu.cn), TANG Xinfeng (tangxf@whut.edu.cn)

    DOI:10.15541/jim20220714

    Topics