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化学
Effects of BaFe_(12)O_(19) Microfibers on Magnetic and Tribological Behaviour of BaFe_(12)O_(19)/PVDF Composites
Barium ferrite microfibers/poly(vinylidene fluoride)(BaFe12O19/PVDF)composite films were prepared by the solution casting process.The X-ray diffraction analysis indicates the BaFe12O19 microfibers incorporation can induce the crystal form of PVDF transformed from α-to β-form.Magnetization measurements for the composite films by vibrating sample magnetometer exhibit that the BaFe12O19/PVDF composite films possess a hard magnetic characteristic and the magnetization is related to the BaFe12O19 microfibers content.The addition of BaFe12O19 microfibers can stabilize the friction coefficient of PVDF matrix and the tribological properties of the composite films can be improved for appropriate BaFe12O19 microfibers content(<20 wt%)in the composite.
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化学
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2011中国功能材料科技与产业高层论坛论文集(第一卷)
2011年
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