Page 32 - 摩擦学学报2025年第4期

520 摩擦学学报（中英文） 第 45 卷

(a) 2 2
0 0
Height/μm −2 Height/μm −2
−4
−4
−6
−8
−8 −6
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.0 0.2 0.4 0.6 0.8 1.0 1.2
X position/mm Y position/mm
(b) 4 4
2 2
Height/μm −2 0 Height/μm −2 0

−4 −4
−6 −6
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.0 0.2 0.4 0.6 0.8 1.0 1.2
X position/mm Y position/mm
(c) 4 4
2 2
Height/μm −2 0 Height/μm −2 0

−4
−6
−6 −4
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.0 0.2 0.4 0.6 0.8 1.0 1.2
X position/mm Y position/mm
Fig. 6 3D morphology of the wear scar after the friction test of deionized water, 0.5 % Lys-LS and 0.5 % Arg-LS aqueous solution
corresponds to the cross-sectional profile of the X and Y directions: (a) deionized water; (b) 0.5% Lys-LS; (c) 0.5% Arg-LS
图 6 去离子水、0.5% Lys-LS和0.5% Arg-LS水溶液摩擦试验后磨斑的三维形貌对应X和Y方向的横截面轮廓图：
(a)去离子水；(b) 0.5% Lys-LS；(c) 0.5% Arg-LS

(a1) (b1) (c1)

500 μm 500 μm 500 μm

(a2) (b2) (c2)
Middle wear

Adhesive wear
Middle wear Middle wear

Corrosion wear
20 μm 20 μm 20 μm

Fig. 7 SEM micrographs of the grinding surface of the worn spots lubricated by distilled water and Lys-LS aqueous solutions with
different mass fraction: (a) deionized water; (b) 0.5% Lys-LS; (c) 0.5% Arg-LS
图 7 去离子水、0.5% Lys-LS和0.5% Arg-LS水溶液摩擦试验后磨斑表面的SEM照片：(a)去离子水；
(b) 0.5% Lys-LS；(c) 0.5% Arg-LS