'Resin welding': A novel route to joining acrylic composite components at room temperature
'Resin welding': A novel route to joining acrylic composite components at room temperature
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DOI：
10.1016/j.compositesb.2024.111212
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发表时间：
2024-01-18
影响因子：
13.1
通讯作者：
Ray，Dipa
中科院分区：
文献类型：
--
作者：
Devine，Machar;Bajpai，Ankur;Ray，Dipa
丙烯酸聚合物在其液态单体中的溶解度创造了无需加热即可“焊接”丙烯酸基 (Elium®) 复合材料的机会。在这种称为树脂焊接的方法中，丙烯酸单体树脂被注入到丙烯酸基复合材料部件之间。树脂溶解并扩散到丙烯酸基体中，在聚合时形成连续的材料和牢固的粘合，而不会像传统焊接方法那样对被粘物或粘合层厚度敏感。对具有不同粘合层厚度和填充纤维的树脂焊接和粘合试样进行单搭接剪切测试，并使用 SEM 和染色丙烯酸树脂的扩散研究粘合和断裂机制。树脂焊接试件的最高结合强度达到 27.9 MPa，比文献报道的最强焊缝高 24%，这表明树脂焊接是丙烯酸基复合材料传统结合和焊接方法的一种有前景的替代方法。
The solubility of acrylic polymer in its own liquid monomer creates the opportunity to ‘weld’ acrylic-matrix (Elium®) composites without the application of heat. In this method, termedresin welding, acrylic monomeric resin is infused between acrylic-matrix composite parts. The resin dissolves and diffuses into the acrylic matrix and creates a continuous material, and a strong bond, when it polymerises, without the sensitivities of traditional welding methods to adherend or bondline thickness. Single lap shear testing was conducted on resin-welded and adhesively-bonded coupons with varying bondline thicknesses and filling fibres, and the bonding and fracture mechanisms were investigated using SEM and the diffusion of dyed acrylic resin. The highest bond strength of resin-welded coupons reached 27.9 MPa, which is 24 % higher than the strongest weld reported in the literature, indicating that resin welding is a promising alternative to traditional bonding and welding methods for acrylic-matrix composites.