Fuyu Ye, Jian Yang, Panjie Sun, Xingyu Wang, Chengyun Cui. Investigation on Microstructure and Properties of Laser-Cladding FeCrNiTax Eutectic Medium-Entropy Alloy Coating[J]. Chinese Journal of Lasers, 2023, 50(20): 2002204
- Chinese Journal of Lasers
- Vol. 50, Issue 20, 2002204 (2023)
Fig. 1. Microscopic morphology of FeCrNiTa0.4 powder. (a) Powder cluster morphology; (b) individual particle morphology
Fig. 2. XRD patterns of FeCrNiTax EMEACs
Fig. 3. Micrographs of cross section and bonding zone of alloy coating. (a) Cross section; (b) bonding zone
Fig. 4. SEM images of FeCrNiTax(x=0.2, 0.4, 0.6, 0.8) EMEACs. (a) Ta0.2; (b) Ta0.4; (c) Ta0.6; (d) Ta0.8
Fig. 5. Distributions of elements in hypereutectic structure. (a) Image of hypereutectic structure; (b) Fe element; (c) Cr element; (d) Ni element; (e) Ta element
Fig. 6. Microstructures of cross section of FeCrNiTa0.4 EMEACs. (a) Top microstructure; (b) bottom microstructure
Fig. 7. Microhardness curves and average hardness of FeCrNiTax (x=0,0.2,0.4,0.6,0.8) EMEACs. (a) Microhardness; (b) average hardness
Fig. 8. Wear mass loss of FeCrNiTax(x=0, 0.2, 0.4, 0.6, 0.8) EMEACs and 304 stainless steel
Fig. 9. Friction coefficients and average friction coefficients of 304 stainless steel and FeCrNiTax(x=0, 0.2, 0.4, 0.6, 0.8) EMEACs. (a) Friction coefficients; (b) average friction coefficients
Fig. 10. Wear track morphologies. (a)(b) Substrate; (c)-(l) FeCrNiTax(x=0, 0.2, 0.4, 0.6, 0.8) EMEACs
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Table 1. Chemical compositions of 304 stainless steel (mass fraction, %)
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Table 2. Chemical compositions of FeCrNiTax EMEACs
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Table 3. Values of mixing enthalpy of element pairs and atomic radius
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Table 4. Elementary compositions at different points on FeCrNiTax EMEACs wear tracks
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Table 5. Thermodynamic parameters of FeCrNiTaxEMEAs
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