Page 23 - 《摩擦学学报》2021年第5期

612 摩 擦 学 学 报 第 41 卷

(b)
(a)
(a) (b)

FCC

200 μm
200 μm BCC 200 μm
200 μm
(c) (d)
(d)
(c)

FCC
BCC
BCC
FCC
200 μm
200 μm 200 μm
200 μm

Fig. 2 Optical microstructures of (CuMnNi) 100-x Al x high entropy bronzes (a) CuMnNi; (b) (CuMnNi) 95 Al 5 ;
(c) (CuMnNi) 90 Al 10 and (d) (CuMnNi) 85 Al 15
图 2 (CuMnNi) 100-x Al x 系列高熵铜合金的金相组织 (a) CuMnNi；(b) (CuMnNi) 95 Al 5 ；(c) (CuMnNi) 90 Al 10 和(d) (CuMnNi) 85 Al 15
表 1 (CuMnNi) 100-x Al x 系列高熵铜合中枝晶和枝晶间的EDS结果
Table 1 EDS results of the dendrite and interdendritic of (CuMnNi) 100-x Al x high entropy bronzes

Atomic fraction/%
Alloys Areas(Phase) Volume fraction/%
Cu Mn Ni Al
CuMnNi DC(FCC) 100 34.0±1.6 37.1±1.7 28.8±3.2 0
DC(FCC) 62.7 42.2±1.9 29.3 ±1.2 11.9±0.4 16.5±1.1
(CuMnNi) 95 Al 5
IDC(BCC) 37.6 13.7±0.6 16.5±0.3 35.0±0.6 34.6±0.3
DC(BCC) 51.9 15.8±0.5 22.6±0.8 35.8±1.8 25.7±2.2
(CuMnNi) 90 Al 10
IDC(FCC) 48.1 34.6±1.9 31.3±0.7 18.8±1.5 15.2±1.3
DC(BCC) 59.3 18.3±0.5 19.0±0.4 32.1±0.3 30.6±1.2
(CuMnNi) 85 Al 15
IDC(FCC) 40.7 35.1±1.5 28.0±0.8 15.3 ±1.5 21.6±0.7

(a) Cu Mn Ni

20 μm

(b) Cu Mn Ni Ai

20 μm

Fig. 3 Elemental mapping images of CuMnNi (a) and (CuMnNi) 90 Al 10 (b) high entropy bronze
图 3 CuMnNi (a)和(CuMnNi) 90 Al 10 (b)高熵铜合金组元的面分布谱图