Page 140 - 摩擦学学报2025年第8期

1238 摩擦学学报（中英文） 第 45 卷

示为Fe 2p图谱中在724.4、724.4、711.0和712.0 eV的 结果结合可以得知醇胺在四球摩擦体系中发生了摩
[18]
结合能，可以得知存在Fe-O和Fe O 键 . 与EDS扫描 擦化学反应，生成了碳氮化合物与铁的氧化物.
3
4

FeO
(a) C 1s-0 min C-C (b) N 1s-0 min (c) O 1s-0 min Fe-O (d) Fe 2p-0 min 711.0 eV
C-O
C-O
Intensity/a.u. Intensity/a.u. 288.4 eV 284.8 eV Intensity/a.u. 399.7 eV Intensity/a.u. 532.7 eV 530.3 eV Intensity/a.u. 724.4 eV
531.6 eV
C-N
285.3 eV
C=O
C=O
Fe 3 O 4
298 294 290 286 282 410 406 402 398 394 540 536 532 528 740 730 720 710 700
Binding energy/eV Binding energy/eV Binding energy/eV Binding energy/eV
(e) C 1s-40 min C-C (f) N 1s-40 min (g) O 1s-40 min (h) Fe 2p-40 min 712.0 eV
FeO
C-O
Fe-O
C-N
C-O 284.8 eV 399.7 eV 530.6 eV 529.9 eV
Intensity/a.u. 288.9 eV Intensity/a.u. Intensity/a.u. 532.0 eV Intensity/a.u. 724.4 eV
285.1 eV
C=O
C=O
Fe 3 O 4
294 290 286 282 410 406 402 398 394 540 536 532 528 740 730 720 710 700
Binding energy/eV Binding energy/eV Binding energy/eV Binding energy/eV
Fig. 9 XPS spectra of surface wear of steel balls with CO 2 40 min absorption and unabsorbed CO 2 AMP solution: (a) and (e) are
the C1s spectral peaks of unabsorbed CO 2 and absorbed CO 2 40 min, respectively; (b) and (f) are the N1s spectral peaks of
unabsorbed CO 2 and absorbed CO 2 40 min, respectively; (c) and (g) are the O1s spectral peaks of unabsorbed CO 2 and absorbed
CO 2 40 min, respectively; (d) and (h) are the Fe2p spectral peaks of unabsorbed CO 2 and absorbed CO 2 40 min, respectively
图 9 吸收CO 2 40 min与未吸收CO 2 的AMP溶液的钢球表面磨损XPS谱图：(a)和(e)分别为未吸收CO 2 和吸收CO 2 40 min的C
1s谱峰；(b)和(f) 分别为未吸收CO 2 和吸收CO 2 40 min的N 1s谱峰；(c)和(g) 分别为未吸收CO 2 和
吸收CO 2 40 min的O1s谱峰；(d)和(h)分别为未吸收CO 2 和吸收CO 2 40 min的Fe 2p谱峰

O −
O C
NH
NH 2 NH 3
+
CO 2 + 2 OH OH + OH
AMP

Cation

Anion
Tribochemical
reaction

Carbon-based tribofilm

Metal substrate

Fig. 10 Lubrication mechanism of CO 2 absorbing alcohol amine solution (AMP)
图 10 吸收CO 2 醇胺溶液(AMP)的润滑机理