激光熔覆难熔高熵合金涂层研究进展

夏兴川, 张恩宽, 丁俭, 王玉江, 刘永长

Research Progress on Laser Cladding of Refractory High-Entropy Alloy Coatings

XIA Xingchuan, ZHANG Enkuan, DING Jian, WANG Yujiang, LIU Yongchang

表2 LC-RHEACs的显微硬度^{[31,36~38,41,42,46~63]}

Table 2 Microhardnesses of LC-RHEACs^{[31,36-38,41,42,46-63]}

System	Treatment	Hardness	Ref.
TiMoWNbZr	As-cladded	700 HV_0.5	[46]
	Annealing	1300, 1000, 1050 HV_0.5 (800, 1000, 1200 ^oC for 20 h)
CrTiMoWNbFeAl	As-cladded	1050 HV_0.2	[47]
CrTiMoWNb _x Fe_1.5Al	As-cladded	810, 851, 873, 910 HV_0.2 (x = 1.5, 2.0, 2.5, 3.0)	[48]
CrTiMoWNb₁Fe_1.5Al	As-cladded	913.5 HV_0.2	[41]
	Annealing	923, 954, 822.3 HV_0.2 (600, 650, and 800 ^oC for 4 h)
(TiZrNb)₁₄SnMo	As-cladded	551.4 HV_0.2	[49]
TiTaZr	As-cladded	(510 ± 22) HV	[50]
TiNbTaZr	As-cladded	(550 ± 26) HV	[50]
FeCrAlTiMoWNb₃	As-cladded	694 HV_0.2	[51]
	Annealing	635, 512, 432 HV_0.2 (750, 850, and 950 ^oC for 4 h)
	Annealing	432, 494, 639, 614 HV_0.2 (950 ^oC for 4, 6, 8, and 10 h)
NiTiCrNbTa _x	As-cladded	922.8, 985.1, 851.3, 825.4 HV_0.3 (x = 0.1, 0.3, 0.5, 1.0)	[52]
AlNbTaZr _x	As-cladded	594, 596, 611, 624, 654 HV_0.5 (x = 0.2, 0.4, 0.6, 0.8, 1.0)	[53]
AlTiVMoNb	As-cladded	888.5 HV_0.2	[54]
MoNbTaW	As-cladded	753, 980 HV_0.5 (with and without ultrasound vibrations)	[36]
AlMoNbTaCu _x	As-cladded	~836, ~568, ~519, ~430 HV_0.2 (x = 0, 0.4, 0.6, 0.8)	[42]
Al_0.2CrTiVNb	As-cladded	477, 405 HV_0.2 (with dilutions of 3.1% and 31.9%)	[55]
AlCoCrMoV _x	As-cladded	867.7, 832.5, 890.4, 910.9, 925.8, 942.6 HV_0.1 (x = 0, 0.2, 0.4, 0.6, 0.8, 1.0)	[56]
TiMoNbZr	As-cladded	410 HV_0.1	[57]
TiMoNbTaW	As-cladded	600 HV	[58]
Si₃N₄ + TiMoNbTaW	As-cladded	502.52, 537.34, 628.07 HV_0.1 (correspondent to Si₃N₄ mass fractions of 1.0%, 1.5%, and 2.0%)	[59]
TiMoNbZr	As-cladded	521.79 HV	[38]
TiNiMoNbTa	As-cladded	~1000, ~650 HV_0.2 (with and without ultrasound vibrations)	[37]
TiNbTaZr	As-cladded	577.5, 487.8, 545.2 HV_0.3 (LC, HLC, EHLC)	[60]
Y₂O₃ + MoNbTaW	As-cladded	1007.5, 1163.9, 1218.5, 1274.6 HV_0.3 (correspondent to Y₂O₃ mass fractions of 0%, 1%, 2%, and 3%)	[61]

MoNbTaW	As-cladded	351, 488, 604, 655 HV_0.1 (C1, C2, C3, C3-R^*)	[31]
TiZrAlNb	As-cladded	~530 HV	[62]
TiVNbTa	As-cladded	372.8 HV_0.2	[63]
TiVNbTaCr	As-cladded	532.4 HV_0.2	[63]
TiVNbTaZr	As-cladded	455.2 HV_0.2	[63]
TiVNbTaW	As-cladded	546.3 HV_0.2	[63]