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首页> 外文会议>IEEE Region 10 Conference >Eeffect of preparation process on tensile strength of nano-hydroxyapatite/polyetheretherketone composite materials
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Eeffect of preparation process on tensile strength of nano-hydroxyapatite/polyetheretherketone composite materials

机译：制备方法对纳米羟基磷灰石/聚醚醚酮复合材料拉伸强度的影响

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Tensile strength of nano-hydroxyapatite/polyetheretherketone (n-HA/PEEK) composites with 5vol.% HA prepared by various process were researched in this study. The untreated n-HA/PEEK composite specimens with HA content of 5 vol.% were prepared via a compounding and injection molding process at first. Partial specimens were annealed in the oven at 250°C for 1h. Then silane coupling agent (SCA) was employed to modify the HA nanoparticles and SCA-HA/PEEK composites were prepared with injection molding process. The n-HA/PEEK composites were prepared by using repeated melting, crystallization and granulation at last. The tensile strength of all the HA/PEEK composites were measured by an Instron IX Material Testing System and the fracture surface of nanocomposites were examined by scanning electron microscopy (SEM). The results showed that heat treatment, SCA modification, repeated processing could improve the tensile strength. The optimal tensile strength of the composite materials were prepared by repeated processing.
机译：纳米羟基磷灰石/聚醚醚酮（N-HA / PEEK）复合材料的拉伸强度与5VOL。在本研究中研究了各种方法制备的％HA。未处理的N-HA / PEEK复合标本，HA含量为5体积％。％通过复合和注塑方法制备。将部分标本在250℃下在烘箱中退火1小时。然后使用硅烷偶联剂（SCA）来改变HA纳米颗粒，并用注射成型方法制备SCA-HA / PEEK复合材料。通过最后使用重复的熔化，结晶和造粒制备N-HA / PEEK复合材料。通过Instron IX材料检测系统测量所有HA / PEEK复合材料的拉伸强度，通过扫描电子显微镜（SEM）检查纳米复合材料的断裂表面。结果表明，热处理，SCA改性，重复加工可提高拉伸强度。通过重复加工制备复合材料的最佳拉伸强度。

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