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Figure/Table detail

Research progress in tribological properties of high entropy alloys
Yuan YU, Zhuhui QIAO, Haibo REN, Weimin LIU
Journal of Materials Engineering, 2022, 50(3): 1-17.   DOI: 10.11868/j.issn.1001-4381.2021.000823

Adding element Preparation method Materials composition Tested condition Tribological result Ref
Chemically active Al，Ti Hot-pressed sintered FeCoCrNiMn Rotating, Si3N4 ball, 10 N, 0.24 m/s, 15 min WR: 25℃ 2.76×10-4 mm3/(Nm)
500℃ 3.02×10-4 mm3/(Nm)		 [40]
FeCoCrNiMnAl0.5 WR: 25℃ 1.58×10-4 mm3/(Nm)
500 ℃ 1.76×10-4 mm3/(Nm)
Arc melted TiZrNbHf
TiZrNbHfAl0.5
TiZrNbHfAl1		 Reciprocating, GCr15 ball, 5 N, 2 mm, 3 Hz, 15 min WL: 0.07 mm3
WL: 0.06 mm3
WL: 0.04 mm3		 [41]
Arc melted AlCoCrFeNi
AlCoCrFeNiTi0.5		 Rotating, Si3N4 ball, 10 N, 0.04 m/s, 11 min COF: 0.33, WL: 0.04 mm3
COF: 0.32, WL: 0.02 mm3		 [42]
Arc melted Co1.5CrFeNi1.5Ti0.5
Co1.5CrFeNi1.5Ti
Al0.2Co1.5CrFeNi1.5Tic		 Rotating, SKH51 steel disk, 29.4 N, 0.5 m/s [WR]: 0.20 km/mm3
[WR]: 2.75 km/mm3
[WR]: 5.50 km/mm3		 [29]
Soft metal SPS sintered CoCrFeNi Rotating, 100 N, 95 r/min, 1000 s COF: 0.74, WR: 13.62×10-4 mm3/(Nm) [43]
(CoCrFeNi)90Ag10 COF: 0.39, WR: 1.29×10-4 mm3/(Nm)
Arc melted CoCrFeNi Rotating, Al2O3 ball, 5 N, 0.1 m/s WR: 25 ℃ 0.23×10-4 mm3/(Nm)
600 ℃ 0.25×10-4 mm3/(Nm)		 [44]
CoCrFeNiCu WR: 25 ℃ 0.17×10-4 mm3/(Nm)
600 ℃ 0.13×10-4 mm3/(Nm)
SPS sintered AlCrFeMnV Rotating, steel ball, 5 N, 0.41 m/s COF: 0.42, WR: 3.05×10-4 mm3/(Nm) [10]
(AlCrFeMnV)90Bi10 COF: 0.19, WR: 0.38×10-4 mm3/(Nm)
Refractory metal Arc melted CoCrNiNb0.2 Reciprocating, GCr15 ball, 15 N, 2 mm, 5 Hz, 30 min COF: 0.61, WR: 3.63×10-4 mm3/(Nm) [45]
CoCrNiNb0.385
(eutectic structure)		 COF: 0.51, WR: 3.02×10-4 mm3/(Nm)
CoCrNiNb0.4 COF: 0.69, WR: 3.17×10-4 mm3/(Nm)
Laser-claded MoFe1.5CrTiWAlNb1.5 Reciprocating, GCr15 ball, 50 N, 5 mm, 8.3 Hz, 15 min COF: 0.72, WL: 0.08 mm3 [46]
MoFe1.5CrTiWAlNb2.5 COF: 0.58, WL: 0.06 mm3
MoFe1.5CrTiWAlNb3.0 COF: 0.52, WL: 0.04 mm3
Arc melted CoCrNiHf0.2 Reciprocating, Al2O3 ball, 1.5 mm, 5 Hz, 30 min WL: 10 N 0.05 mm3, 30 N 0.07 mm3 [47]
CoCrNiHf0.3
(eutectic structure)		 WL: 10 N 0.04 mm3, 30 N 0.05 mm3
CoCrNiHf0.4 WL: 10 N 0.02 mm3, 30 N 0.05 mm3
SPS and cool rolled CoCrFeNi Reciprocating, GCr15 ball, 50 N, 3 mm, 6 mm/s WR: 4.18×10-4 mm3/(Nm) [48]
CoCrFeNiMo0.1 WR: 3.61×10-4 mm3/(Nm)
CoCrFeNiMo0.3 WR: 3.27×10-4 mm3/(Nm)
Table 1 Effect of modified metallic elements on tribological properties of high entropy alloys
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