Influence of micron size aluminum particles on the aging properties and wear resistance of epoxy resin coatings
-
Zhe Zhai
,
Shasha Zhou
Abstract
In this work, an unoxidized aluminum particle/epoxy composite coating was used to cover the surface of pure epoxy resin to reduce the loss of strength after water-heat aging and to improve the wear resistance. The samples were maintained in a water bath at 80°C for 100 days to accelerate the aging process. After water-heat aging, the tensile and bending strengths of the pure epoxy samples were reduced from 30 MPa and 60 MPa, respectively, to 26 MPa and 55 MPa, respectively. However, the tensile and bending strengths of the sample with 6 wt.% aluminum particles were reduced from 39 MPa and 95 MPa to 36 MPa and 89 MPa, respectively. The sample with 6 wt.% aluminum particles exhibited the lowest tensile and bending strength loss rates, 7.2% and 6.1%, respectively, which were 37.4% and 40.8% lower, respectively, than those of the pure epoxy. Additionally, the wear rate and friction coefficient of the samples with 6 wt.% aluminum particles were 2.5×10-6 cm3/min·N and 0.415, respectively, corresponding to a reduction of 35.9% and 30.0%, respectively, compared with the pure epoxy. Thus, it was found that the addition of unoxidized aluminum particles can efficiently increase the water-heat aging resistance and wear resistance of epoxy resin.
Acknowledgments
The authors acknowledge financial support from the integrated project of Science and Technology of Shaanxi Province, China (no. 2014SZ09-Z01), the project of Material Corrosion and Protection Key Laboratory of Sichuan Province (no. 2014CL02), and the Key Science-Technology Project of Shaanxi Province, China (no. 2014K08-38), Excellent Doctor Degree Dissertation Research Foundation of Xi’an University of Technology.
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Articles in the same Issue
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- Effect of banana fibers and plasticizer on melt processing of poly(vinyl alcohol)
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Articles in the same Issue
- Frontmatter
- Original articles
- A method to improve dimensional accuracy and mechanical properties of injection molded polypropylene parts
- Effect of banana fibers and plasticizer on melt processing of poly(vinyl alcohol)
- Improved thermal and mechanical properties of carbon fiber filled polyamide 46 composites
- Preparation and characterization of carbon fiber/polylactic acid/thermoplastic polyurethane (CF/PLA/TPU) composites prepared by a vane mixer
- Influence of micron size aluminum particles on the aging properties and wear resistance of epoxy resin coatings
- The effect of casting solution composition on surface structure and performance of poly(vinylidene fluoride)/multi-walled carbon nanotubes (PVDF/MWCNTs) hybrid membranes prepared via vapor induced phase separation
- Mechanical and thermal properties of PLA/halloysite bio-nanocomposite films: effect of halloysite nanoclay concentration and addition of glycerol
- Preparation and characterization of core-shell oil absorption materials stabilized by modified fumed silica
- Investigating the in-plane mechanical behavior of single-ply quasi-unidirectional glass fiber/polypropylene composites
- Characterization of layer built-up and inter-layer boundaries in rotational molding of multi-material parts in dependency of the filling strategy
- Experimental and numerical determination of compressive mechanical properties of multi-walled carbon nanotube reinforced polymer
