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首页> 外文期刊>Journal of Manufacturing Processes >Effect of metal surface state on injection joining strength of aluminum- rubber composite part
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Effect of metal surface state on injection joining strength of aluminum- rubber composite part

机译：金属表面状态对铝橡胶复合零件注射连接强度的影响

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摘要

Metal-rubber composite parts with characteristics of high elasticity and compressibility are widely used in seal and vibration resistance engineering fields. The injection technology was proposed to mold metal - rubber composite parts. With pretreatments of anodization and silane coupling agent, the morphology and composition of Al surface were changed, and then Al - rubber composite parts were fabricated by injection technology. The effects of Al surface morphologies and compositions induced by different conditions of anodization and coupling agent were discussed. The scanning electron microscopy (SEM) and X-ray energy spectrum analyser (XPS) of Al surface examination proved that microstructures and hydroxyl groups formed on the metal surface contribute significantly to the bonding strength of the Al - rubber interface. Furthermore, the effect of metal temperature on the bonding strength between the rubber and the Al was investigated. By increasing the metal temperature to 120 degrees C, the bonding strength improved by more than twenty folds compared to the lower temperature case. Results showed that the molded composite parts exhibit excellent tensile shear strength, exceeding the shearing strength of the rubber itself. The presented method can be promoted in related engineering fields.
机译：具有高弹性和可压缩性的金属橡胶复合零件被广泛用于密封和抗振工程领域。提出了注射成型技术来成型金属-橡胶复合零件。通过阳极氧化和硅烷偶联剂的预处理，改变了Al表面的形貌和组成，然后通过注射技术制备了Al-橡胶复合材料零件。讨论了阳极氧化和偶联剂条件不同对铝表面形貌和成分的影响。铝表面的扫描电子显微镜（SEM）和X射线能谱分析仪（XPS）证明，在金属表面形成的微观结构和羟基对Al-橡胶界面的粘合强度有显着贡献。此外，研究了金属温度对橡胶和Al之间的结合强度的影响。通过将金属温度提高到120摄氏度，与较低温度的情况相比，粘合强度提高了20倍以上。结果表明，成型的复合材料部件具有出色的拉伸剪切强度，超过了橡胶本身的剪切强度。提出的方法可以在相关工程领域推广。

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