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首页> 外文期刊>RSC Advances >Graphene oxide enhanced, radiation cross- linked, vitamin E stabilized oxidation resistant UHMWPE with high hardness and tensile properties
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Graphene oxide enhanced, radiation cross- linked, vitamin E stabilized oxidation resistant UHMWPE with high hardness and tensile properties

机译：石墨烯氧化物增强，辐射交联，维生素E稳定的抗氧化抗性UHMWPE具有高硬度和拉伸性能

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摘要

A method for enhancing the micro-hardness and tensile properties of cross-linked ultrahigh molecular weight polyethylene (UHMWPE) for total joint implants by radiation cross-linking after adding vitamin-E (VE) and graphene oxide (GO) was reported in this paper. Vitamin E was blended with UHMWPE powder at a concentration of 0.1 wt%, followed by adding GO at a concentration of 0.5 wt% and subsequently irradiated with Co-60 gamma-rays at 100 kGy. The GO/VE/UHMWPE composite showed improved microhardness (similar to 8%), Young's modulus (similar to 28%), yield stress (similar to 33%) and fracture stress (similar to 37%) in comparison with UHMWPE. The OI of irradiated UHMWPE decreased from 1.9 to 0.7 after blending with VE and the OI of irradiated VE/UHMWPE increased from 0.7 to 1.3 after filling with GO. In addition, the addition of GO further reduced the gel content.
机译：在本文中报道了通过辐射交联通过辐射交联通过接头植入物的交联超高分子量聚乙烯（UHMWPE）的微硬度和拉伸性能的方法。本文报道了加入维生素-E（VE）和石墨烯氧化物（GO） 。 将维生素E以0.1wt％的浓度与UHMWPE粉末混合，然后加入0.5wt％的浓度，随后在100kGy的浓度下用Co-60γ射线照射。 GO / VE / UHMWPE复合材料显示出改善的微硬度（类似于8％），杨氏模量（类似于28％），与UHMWPE相比，屈服应力（类似于33％）和断裂应力（类似于37％）。 用VE混合后，辐照的UHMWPE的OI从1.9〜0.7减少，辐照的OI / UHMWPE在填充后增加0.7至1.3。 另外，添加进一步降低了凝胶含量。

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  • 来源
    《RSC Advances》 |2017年第87期|共11页
  • 作者

    Pang Wenchao; Wu Jialiang; Zhang Qifan; Li Guangfei;

  • 作者单位

    Qilu Inst Technol Sch Mechatron Engn Jinan 250200 Shandong Peoples R China;

    Qilu Inst Technol Sch Mechatron Engn Jinan 250200 Shandong Peoples R China;

    Jiangnan Univ Sch Mech Engn Wuxi 214122 Jiangsu Peoples R China;

    Jiangnan Univ Sch Mech Engn Wuxi 214122 Jiangsu Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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