J. Mater. Sci. Technol. ›› 2020, Vol. 37: 19-25.DOI: 10.1016/j.jmst.2019.07.038
• Research Article • Previous Articles Next Articles
Min Su Parka1, Jin Kyu Kima1, Tong-Seok Hanb, Jung Tae Parkc*(), Jong Hak Kima*()
Received:
2019-06-04
Revised:
2019-06-29
Accepted:
2019-07-08
Published:
2020-01-15
Online:
2020-02-10
Contact:
Park Jung Tae,Kim Jong Hak
About author:
1 These authors have contributed equally to this work.
Min Su Park, Jin Kyu Kim, Tong-Seok Han, Jung Tae Park, Jong Hak Kim. Impregnation approach for poly(vinylidene fluoride)/tin oxide nanotube composites with high tribological performance[J]. J. Mater. Sci. Technol., 2020, 37: 19-25.
Fig. 5. FT-IR spectra of (a) blended PVDF/ST powders before the hot pressing process and (b) fabricated PVDF/ST composites after the hot pressing process, and DSC curves for validating, (c) the effect of ethanol dispersion in DMF dissolution method and (d) the effect of the amount of ST fillers in DMF dissolution method.
Fig. 6. (a) Friction coefficient of fabricated composites used in this work. The initial, 180?min, and 240?min values were employed, and an average value was used at each point, while 40?s measurements were carried out at 25.0?°C and 45.0% humidity; (b) specific wear rate of fabricated composites used in this work. Total weight loss after 12?h, 30?min of surface wearing was used to calculate the specific wear rate at 25.0?°C and 45.0% of humidity.
Samples | Friction coefficient | Specific wear rate (10-4?mm3 N-1?m-1) | ||
---|---|---|---|---|
0 min | 180?min | 240?min | ||
PVDF | 0.101 | 0.468 | 0.480 | 0.596 |
ST_2.5 | 0.097 | 0.447 | 0.465 | 1.01 |
ST_5.0 | 0.143 | 0.466 | 0.462 | 0.823 |
ST_7.5 | 0.143 | 0.350 | 0.408 | 0.638 |
ST_10 | 0.142 | 0.414 | 0.462 | 0.412 |
dis_ST_5.0 | 0.120 | 0.441 | 0.446 | 0.926 |
Table 1 Tribological performance of fabricated composites at 25?°C and 45% humidity (Friction coefficient values are average values of 40?s, and the specific wear rate was measured over 12?h 30?min).
Samples | Friction coefficient | Specific wear rate (10-4?mm3 N-1?m-1) | ||
---|---|---|---|---|
0 min | 180?min | 240?min | ||
PVDF | 0.101 | 0.468 | 0.480 | 0.596 |
ST_2.5 | 0.097 | 0.447 | 0.465 | 1.01 |
ST_5.0 | 0.143 | 0.466 | 0.462 | 0.823 |
ST_7.5 | 0.143 | 0.350 | 0.408 | 0.638 |
ST_10 | 0.142 | 0.414 | 0.462 | 0.412 |
dis_ST_5.0 | 0.120 | 0.441 | 0.446 | 0.926 |
Filler | Composite fabrication | Friction coefficient | Measurement time (min) | Ref. |
---|---|---|---|---|
Epoxy/Carbon nanotube | Solution-mixing | 0.45 | 40 | [ |
Polyimide/Carbon nanofiber | Wet ball milling/Hot-press | 0.19 | 30 | [ |
TiO2 nanoparticles | Dry-mixing/Uniaxial hot-press | 0.17 (Kinetic) | 50 | [ |
Mesoporous MgO nanosheet | Solution-mixing/Uniaxial hot-press | 0.091 | 250 | [ |
Reduced graphene oxide | Solution-Mixing | 0.1 | 60 | [ |
SnO2 nanotube | Solution-Mixing | 0.097 | 240 | This study |
Table 2 Recent research on the tribological properties of PVDF/filler composites.
Filler | Composite fabrication | Friction coefficient | Measurement time (min) | Ref. |
---|---|---|---|---|
Epoxy/Carbon nanotube | Solution-mixing | 0.45 | 40 | [ |
Polyimide/Carbon nanofiber | Wet ball milling/Hot-press | 0.19 | 30 | [ |
TiO2 nanoparticles | Dry-mixing/Uniaxial hot-press | 0.17 (Kinetic) | 50 | [ |
Mesoporous MgO nanosheet | Solution-mixing/Uniaxial hot-press | 0.091 | 250 | [ |
Reduced graphene oxide | Solution-Mixing | 0.1 | 60 | [ |
SnO2 nanotube | Solution-Mixing | 0.097 | 240 | This study |
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