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首页> 外文期刊>Acta biomaterialia >Strong bonding strength between HA and (NH4)2S2O8-treated carbon/carbon composite by hydrothermal treatment and induction heating.
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Strong bonding strength between HA and (NH4)2S2O8-treated carbon/carbon composite by hydrothermal treatment and induction heating.

机译：通过水热处理和感应加热，HA和（NH4）2S2O8处理的碳/碳复合材料之间具有很强的结合强度。

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摘要

Carbon/carbon composite with hydroxyapatite (HA) coating is an attractive material in the dental and orthopedic fields, but the reported bonding strength between them was very poor. In this study, a compact crystalline HA coating on (NH(4))(2)S(2)O(8)-treated C/C substrate about 10 microm in width was obtained by hydrothermal treatment and induction heating. The microstructure, composition and morphologies of the as-prepared coatings were identified by X-ray diffraction, scanning electron microscopy and energy dispersive spectroscopy. A strong shear strength averaging 74.2 MPa between C/C substrate and HA was achieved and adhesion failures were observed more frequently than cohesion failures. The coating adhesion measured using a scratch test was 23 N and the reasons for this are discussed.
机译：具有羟基磷灰石（HA）涂层的碳/碳复合材料在牙科和整形外科领域是一种有吸引力的材料，但是据报道它们之间的粘合强度非常差。在这项研究中，通过水热处理和感应加热在（NH（4））（2）S（2）O（8）处理的C / C基板上获得了致密的结晶HA涂层，其宽度约为10微米。通过X射线衍射，扫描电子显微镜和能量色散光谱法鉴定所制备涂层的微观结构，组成和形态。在C / C基材和HA之间获得了平均74.2 MPa的强剪切强度，比内聚破坏更频繁地观察到了粘附破坏。使用划痕测试测量的涂层附着力为23 N，并讨论了其原因。

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