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首页> 外文期刊>Journal of Applied Polymer Science >Bonding performance and fracture morphology of a hybrid multiscale epoxy adhesive on oil-covered substrates
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Bonding performance and fracture morphology of a hybrid multiscale epoxy adhesive on oil-covered substrates

机译：混合多尺度环氧胶在含油基材上的粘结性能和断裂形态

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A hybrid multiscale epoxy adhesive reinforced with a combination of short carbon fibers and rubber nanoparticles was prepared for bonding oil-covered aluminum substrates. The shear performance of the bonded joints was investigated as a function of the oil layer thickness. Scanning electron microscopy and energy-dispersive X-ray analysis studies were carried out to evaluate the oil-diffusion behavior near the substrate-adhesive interface. The results show that the shear strength decreased, whereas the distribution range of the testing results increased as the oil layer thickness increased. When the oil layer was thinner than 10 mu m, the oil-accommodating adhesive could be used directly without degreasing, whereas over 96% of the bonding strength could be retained with almost no change in the failure probability. The analysis of Weibull distribution indicated that the shear strength and Weibull modulus were 18.89 MPa and 13.503, respectively. By analyzing the relationship between the shear strength results and the failure model of the fracture surface, we found a correlation. (C) 2015 Wiley Periodicals, Inc.
机译：制备了由短碳纤维和橡胶纳米颗粒组合增强的混合多级环氧粘合剂，用于粘合油覆盖的铝基材。研究了粘结接头的剪切性能与油层厚度的关系。进行了扫描电子显微镜和能量色散X射线分析研究，以评估基体-胶粘剂界面附近的油扩散行为。结果表明，随着油层厚度的增加，抗剪强度降低，而试验结果的分布范围增大。当油层的厚度小于10微米时，可以直接使用含油粘合剂而不会脱脂，而可以保留超过96％的粘结强度，而破坏几率几乎没有变化。威布尔分布的分析表明，剪切强度和威布尔模量分别为18.89 MPa和13.503。通过分析抗剪强度结果与断裂面破坏模型之间的关系，我们发现了相关性。 （C）2015年Wiley Periodicals，Inc.

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