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To seek an appropriate additive for the preparation of erythritol-based composites, the evaluation and comparison of composites with the addition of EG (expanded graphite) and CNTs (carbon nanotubes) have been conducted in this paper. Composites with additive mass ratios of 1wt%, 3wt%, 5wt% and 7wt% were prepared by melting dispersion. The thermophysical performances of the composites were discussed...
Semiconductive polymer shielding layers of power cable require stable volume resistivity to protect the insulation layer from stress enhancements when carbon black (CB)/polymer composite undergoes thermal cycles. For the CB-filled polymer composites, CB would often re-aggregate when temperature is close to the melting point of polymer matrix, so that the conductive network would be destroyed. Re-distribution...
In this study 5, 10 and 15% β-Ca 3 (PO 4 ) 2 /Mg–Zn composites were prepared through powder metallurgy methods, and their corrosion behavior and mechanical properties were studied in simulated body fluid (SBF) at 37°C. The 10% β-Ca 3 (PO 4 ) 2 /Mg–Zn composite was selected for cytocompatibility assessment and in vivo biodegradation testing. The results...
The dry sliding wear characteristics of the composites fabricated by an Al–ZrO 2 –B system were investigated by using a pin-on-disc wear tester at ambient temperature. With the increase of sliding velocity, the wear rates increase to the highest values at 0.8m/s and then decrease. When the molar ratio of B/ZrO 2 is 0, the reinforcements are composed of Al 3 Zr blocks and α-Al...
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