The effect of radiation curing on mechanical joints prepared from carbon nanotubes added carbon/epoxy laminates,Polymer Composites

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The effect of radiation curing on mechanical joints prepared from carbon nanotubes added carbon/epoxy laminates
Polymer Composites ( IF 4.8 ) Pub Date : 2020-07-07 , DOI: 10.1002/pc.25709
Mohit Kumar ₁ , Jaswinder Singh Saini ₁ , Haripada Bhunia ₂ , Subhendu Ray Chowdhury ₃

Affiliation

The fiber reinforced polymer composite materials used in industries are prepared by different curing techniques. Radiation curing is one such technique with numerous advantages. This study is related to the evaluation of load bearing capacity of the radiation cured carbon/epoxy composite pin joints with and without the addition of multiwalled carbon nanotubes (MWCNT). The different compositions that is, 0.1 wt% to 0.5 wt% of MWCNT was added in the epoxy resin. The 0.3 wt% of MWCNT showed maximum strength values because of improved interfacial bond strength and the efficient stress transfer between the stiff MWCNT and soft polymer matrix through refined polymer/MWCNT interface. The single pin joint configurations were prepared using different geometric combinations of width to diameter and edge to diameter ratios, ranged from 2 to 5. The progressive failure analysis was done using Hashin damage criteria, to compare the predicted failure loads with the experimentally obtained results.

中文翻译：

辐射固化对由碳纳米管添加碳/环氧层压板制备的机械接头的影响

工业中使用的纤维增强聚合物复合材料是通过不同的固化技术制备的。辐射固化是一种具有许多优点的技术。这项研究与评估是否添加多壁碳纳米管（MWCNT）的辐射固化碳/环氧树脂复合材料销钉接头的承载能力有关。将不同的组成即MWCNT的0.1重量％至0.5重量％添加到环氧树脂中。0.3 wt％的MWCNT显示出最大强度值，这是因为改进了界面结合强度，以及通过精炼的聚合物/ MWCNT界面在刚性MWCNT和软聚合物基体之间进行了有效的应力传递。使用宽度与直径和边缘与直径之比的不同几何组合（范围从2到5）来准备单销连接配置。

更新日期：2020-07-07

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