共晶高熵合金高温腐蚀的研究进展

李开洋, 翟蕴龙, 胡新宇, 吴宏, 刘彬, 邢少华, 侯健, 张繁, 张乃强

Research Progress on High Temperature Corrosion of Eutectic High Entropy Alloys

LI Kaiyang, ZHAI Yunlong, HU Xinyu, WU Hong, LIU Bin, XING Shaohua, HOU Jian, ZHANG Fan, ZHANG Naiqiang

表1 不同体系共晶高熵合金的高温腐蚀总结

Table 1 Summary of high temperature corrosion of various eutectic high entropy alloys

Material	Preparing Method	Phase	T^oC	th	Corrosion product	Direct mass change mg·cm^-2	Environment	Ref.
AlCoCrFeNi_2.1	Casting	B2 + L1₂	950	500	Fe₂O₃ + Al₂O₃	51	air	^[39]
AlCoCrFeNi_2.1	Casting	B2 + L1₂	1000	500	Fe₂O₃ + Al₂O₃	133	air	^[39]
Al₀CoCrCuFeNi	Arc	FCC	1000	100	Cr₂O₃ + spinel + (Co, Ni, Cu)O	1.32	air	^[47]
Al_0.5CoCrCuFeNi	melting				Al₂O₃ + Cr₂O₃ + spinel +(Co, Ni, Cu)O	0.73
Al_0.5CoCrCuFeNi	melting				Al₂O₃ + Cr₂O₃ + spinel +(Co, Ni, Cu)O	0.73
Al₁CoCrCuFeNi		FCC +			Al₂O₃ + Cr₂O₃ + spinel +(Co, Ni, Cu)O	0.33
Al₁CoCrCuFeNi		BCC			Al₂O₃ + Cr₂O₃ + spinel +(Co, Ni, Cu)O	0.33
Al_1.5CoCrCuFeNi					Al₂O₃ + Cr₂O₃ + spinel +(Co, Ni, Cu)O	0.25
Al_1.5CoCrCuFeNi					Al₂O₃ + Cr₂O₃ + spinel +(Co, Ni, Cu)O	0.25
Al₂CoCrCuFeNi					Al₂O₃ + Cr₂O₃ + spinel +(Co, Ni, Cu)O	0.235
Al₂CoCrCuFeNi					Al₂O₃ + Cr₂O₃ + spinel +(Co, Ni, Cu)O	0.235
FeCoCrNiAl	MAS and	FCC +	1050	100	Al₂O₃	0.38	air	^[49]
FeCoCrNiAlTi_0.1	hot	BCC				0.37
FeCoCrNiAlTi_0.1Si_0.1	pressing					0.34
FeCoCrNi₂Al						0.4
FeCoCrNi₂AlTi_0.1						0.36
FeCoCrNi₂AlTi_0.1Si_0.1						0.31
MCrAlY						0.63
Al₁₉Fe₂₀Co₂₀Ni₄₁	Arc	B2 + FCC	800	100	spinel1 + spinel2	4.25	air	^[46]
Al₁₉Fe₁₉Co₁₉Ni₄₁Mo₂	melting				spinel2 + spinel3	1.95
Al₁₉Fe₁₈Co₁₈Ni₄₁Mo₄					spinel2 + spinel3 + CoO	1.3
AlCoCrFeNi_2.1	Arc melting	BCC +	500	0.17	Cr₂O₃ + Al₂O₃	-	air	^[40]
	+ chill	FCC	600			-
	casting		700			-
			800			-
			900			-
AlCoCrFeNi_2.1	Arc melting	FCC(L1₂) + BCC(B2)	450	24	CrCl₂ + AlCl₂	20	Molten NaCl-KCl-MgCl₂	^[5]
AlCoCrFeNi_2.1	Arc melting	FCC(L1₂) + BCC(B2)	650	24	CrCl₂ + AlCl₂	39	Molten NaCl-KCl-MgCl₂	^[5]
TiNbMo_0.5Al_0.225Si_0.1	Vacuum	BCC + γ- (Nb, Ti)₅Si₃	1000	60	TiO₂ + TiNb₂O₇ + SiO₂	68.5	air	^[49]
TiNbMo_0.5Al_0.225Si_0.25	melting				110.93
TiNbMo_0.5Al_0.225S_0.4		Si+BCC+ γ-Nb,Ti)₅Si₃			TiO₂ + TiNb₂O₇ + Al₂O₃	75.71
TiNbMo_0.5Al_0.225S_0.4		Si+BCC+ γ-Nb,Ti)₅Si₃			TiO₂ + TiNb₂O₇ + Al₂O₃	75.71
TiNbMo_0.5Al_0.225Si_0.55		BCC + β- (Nb,Ti)₅Si₃				102.64
FeCoNiAlCrB	Ball	BCC +	1000	6	spinel + α-Al₂O₃ + Cr₂O₃	-	air	^[51]
	milling +	borides		48		-
FeCoNiAlCrBY_0.1	SPS			6		-
				48		-
Al₂₃Cr₂₀Nb₁₅Ti₃₂Zr₁₀	Arc	B2 +	800	100	Al₂O₃ + CrO₂ +	8	air	^[50]
	melting	C14 Laves	900	100	Ti_0.4Al_0.3Nb_0.3O₂ + TiO₂ +	22
	melting	1000	10	Zr_0.5Al_0.5O₂	20
Al₂₈Cr₂₀Nb₁₅Ti₂₇Zr₁₀			800	100		-59
			900	100		-62
			1000	10		-15
Al₃₃Cr₂₀Nb₁₅Ti₂₂Zr₁₀			800	100		-18.5
			900	100		-38
			1000	10		-29
AlCoCrFeNi₂	Arc melting	FCC + BCC	1050	55	Al₂O₃ + Cr₂O₃ + Fe₂O₃· AB₂O₄	-0.07	air	^[42]
Al_1.5CoCrFeNi₂		FCC + B2			(A = Fe/Co/Ni, B = Al/Cr)	0.36
AlCoCr_1.5FeNi₂		FCC + BCC				0.29
Al_1.5CoCr_1.5FeNi₂		BCC/B2				0.56
CoCr₂FeNb_0.5Ni	Laser cladding	FCC + Laves	800	320	Cr₂O₃ + Cr₃O	1.55	N₂-44CO₂-6H₂O gas	^[48]
CoCr₂FeNb_0.5NiSi_0.2						1.34
AlCrFeNiTi	Arc melting	BCC1 + BCC2 + Laves	900	100	TiO₂ + Al₂O₃ + Mn₂O₃ + complex	1.31	air	^[45]
					Fe-O (Fe₂TiO₅, Mn(FeTi))	1.31

AlCrFeNiTiMn_0.5		BCC1				1.66
		BCC2 +
		Laves
AlCoCrFeNi_2.1	Arc melting	FCC (γ') + BCC (β)	1000	500	Al₂O₃ + spinel	-	air	^[43]
AlCoCrFeNi_2.1	Arc melting	FCC (γ') + BCC (β)	1100	500	Al₂O₃	-	air	^[43]
AlCoCrFeNi_2.1	Arc melting	L1₂ (γ') +	1100	1008	Al₂O₃	-	air	^[44]
AlCoCrFeNi_2.1	Arc melting	B2 (β)	1200	1008	Al₂O₃	-	air	^[44]
NiCoCrAlYHf			1100			-
NiCoCrAlYHf			1200			-