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Effect of high-energy ball milling on corrosion resistance of Ti3AlC2/resin composite coating
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Abstract
By virtue of excellent combination properties of metals and ceramics, such as good electrical and thermal conductivity, relatively low friction coefficient, and good corrosion resistance, Ti
3
AlC
2
draws great interests as corrosion-resistant materials. Here, resin composite coating reinforced by Ti
3
AlC
2
was successfully fabricated based on the effective cold spray method. High-energy ball milling was conducted to refine Ti
3
AlC
2
to improve their dispersibility in epoxy resin. The effect of ball milling parameters (time, speed, ball to material ratio) on the phase composition and microstructural structure of Ti
3
AlC
2
grains were characterized by XRD and SEM, respectively. The electrochemical properties and anti-corrosion mechanism of Ti
3
AlC
2
/resin composite coating was determined and analyzed. The results shows that the most excellent mode value of low-frequency region |Z| (the coating impedance) is 615081 Ω·cm
2
. The critical anti-corrosion of Ti
3
AlC
2
/resin composite coating can be attribute to the micropores generated after epoxy resin curing were effectively filled and sealed by finer-grained Ti
3
AlC
2
. .
Title: Effect of high-energy ball milling on corrosion resistance of Ti3AlC2/resin composite coating
Description:
Abstract
By virtue of excellent combination properties of metals and ceramics, such as good electrical and thermal conductivity, relatively low friction coefficient, and good corrosion resistance, Ti
3
AlC
2
draws great interests as corrosion-resistant materials.
Here, resin composite coating reinforced by Ti
3
AlC
2
was successfully fabricated based on the effective cold spray method.
High-energy ball milling was conducted to refine Ti
3
AlC
2
to improve their dispersibility in epoxy resin.
The effect of ball milling parameters (time, speed, ball to material ratio) on the phase composition and microstructural structure of Ti
3
AlC
2
grains were characterized by XRD and SEM, respectively.
The electrochemical properties and anti-corrosion mechanism of Ti
3
AlC
2
/resin composite coating was determined and analyzed.
The results shows that the most excellent mode value of low-frequency region |Z| (the coating impedance) is 615081 Ω·cm
2
.
The critical anti-corrosion of Ti
3
AlC
2
/resin composite coating can be attribute to the micropores generated after epoxy resin curing were effectively filled and sealed by finer-grained Ti
3
AlC
2
.
.
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