Page 131 - 摩擦学学报2025年第9期
P. 131
第 9 期 张欣悦, 等: 有序纤维增强水凝胶的构建及其力学、摩擦学性能研究 1385
1.6
(a) 0CF-unoriented 1.4 (b)
1.4 3000th 1th
10000th 1.2 10000th
1.2 50000th 1.0 50000th
100000th
100000th
300000th
300000th
Stress/MPa 1.0 500000th Stress/MPa 0.8 500000th
800000th
800000th
1000000th
1000000th
0.8
0.6 0.6
0.4 0.4
3CF-unoriented
0.2 0.2
18 19 20 21 22 23 15 16 17 18 19 20 21
Strain/% Strain/%
1.4 (c) 24 (d) 1th
1th 1000000th
1.2 10000th 22 1.15%
50000th
100000th
Stress/MPa 1.0 300000th Strain/% 20 2.3%
500000th
800000th
0.8
1000000th
18
0.6
16
0.4 3CF-oriented 14 1.92%
0.2
10 11 12 13 14 15 16 0CF-unoriented 3CF-unoriented 3CF-oriented
Strain/%
Fig. 7 Compressive fatigue of the 3PC-C gels: the stress-strain curve of (a) 0CF unoriented 3PC-C gel, (b) 3CF unoriented 3PC-C
gel and (c) 3CF oriented 3PC-C gel; (d) strain difference under the maximum stress of different hydrogels after 1 million cycles
图 7 3PC-C gel的压缩疲劳性能:(a) 不定向0CF 3PC-C gel,(b) 不定向3CF 3PC-C gel和(c) 交错定向3CF 3PC-C gel的应力-应
变曲线;(d) 不同水凝胶100万次循环后的最大应力下的应变差
(a) (b) (c)
0.05
0.05 0.043 0.046 0.038 0.06
Friction coefficient 0.03 Friction coefficient 0.03 Friction coefficient 0.05 20 N
0.04
0.04
0.04
0.02
0CF-unoriented
0.02
3CF-unoriented
40 N
3CF-oriented 0.01 0.03 30 N
50 N
0.00 0.02
3CF-unoriented
0 1 000 2 000 3 000 4 000 3CF-oriented 0 1 000 2 000 3 000 4 000
Time/s 0CF-unoriented Time/s
(d) (e) (f)
0.06 0.05
0.05 0.05 0.040 0
0.05 0.047 0.038 0.044 0.04 0.038 0 0.036 3 0.036 0
Friction coefficient 0.03 Friction coefficient 0.04 2.5 mm/s Friction coefficient 0.03
0.04
0.02
0.02
0.03
5 mm/s
0.01
15 mm/s
0.00
0.00 0.02 10 mm/s 0.01
20 30 40 50 0 1 000 2 000 3 000 4 000 0.0 2.5 5.0 7.5 10.0 12.5 15.0
Loads/N Time/s Velocity/(mm/s)
Fig. 8 The sliding tribological performance of the 3PC-C gels: (a) friction coefficient and (b) stable friction coefficient of different
hydrogels; (c) friction coefficient and (d) stable friction coefficient under different loads of the staggered oriented 3CF 3PC-C gels;
(e) friction coefficient and (f) stable friction coefficient under different velocity of the staggered oriented 3CF 3PC-C gels
图 8 3PC-C gel的滑动摩擦学性能:不同水凝胶的(a) 摩擦系数曲线和(b) 稳定摩擦系数;交错定向3CF 3PC-C gel在不同载荷
下的(c) 摩擦系数和(d) 稳定摩擦系数;交错定向3CF 3PC-C gel在不同速度下的(e) 摩擦系数和(f) 稳定摩擦系数

