首页|Temperature effect on the mechanical properties of GF/pCBT and its nanosilica-modified composites
Temperature effect on the mechanical properties of GF/pCBT and its nanosilica-modified composites
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NSTL
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Glass fiber/polymerized cyclic butylene terephthalate (GF/pCBT) and its nanosilica-modified thermoplastic composites were manufactured via vacuum-assisted molding pressing process. Subsequently, the effects of temperature and nanosilica fillers on the macroscopic mechanical behavior of glass fiber-reinforced pCBT composites were discussed. Failure morphologies of specimens were observed by scanning electron microscopy (SEM). Experimental results show that pure GF/pCBT composites have good mechanical properties, whereas their half-strength degradation temperature (T-S= 0.5) is relatively lower. It is also found that nanosilica-modified composites have higher heat resistance performance, andT(S)= 0.5 point of the modified composites enhanced by 10 degrees C. SEM observations show that the smooth fracture surface in the broken composites appears at higher temperatures, which indicates that the toughness of nanosilica-modified GF/pCBT composites is improved.
NSTL
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