1.大连理工大学材料科学与工程学院,大连 116024
2.滨州铝产业先进制造山东省实验室,滨州魏桥国科高等技术研究院,滨州 256606
3.大连理工大学机械工程学院,大连 116024
张宇博,男,1985年出生,副教授,E-mail: ybzhang@dlut.edu.cn
白清领,男,1983年出生,高级工程师,E-mail: baiql098@wqmail.cn
收稿:2026-04-16,
修回:2026-05-17,
录用:2026-05-21,
纸质出版:2026-10-20
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张宇博,冀俊凯,杨茜,等. 连续碳纤维增强铝基复合材料的界面优化和性能研究[J]. 特种铸造及有色合金,2026,46(10):1 452-1 459.
ZHANG Y B,JI J K,YANG X,et al. Interface optimization and performance of continuous carbon fiber reinforced aluminum matrix composites[J]. Special Casting & Nonferrous Alloys,2026,46(10):1 452-1 459.
张宇博,冀俊凯,杨茜,等. 连续碳纤维增强铝基复合材料的界面优化和性能研究[J]. 特种铸造及有色合金,2026,46(10):1 452-1 459. DOI: 10.15980/j.tzzz.Y20260006.
ZHANG Y B,JI J K,YANG X,et al. Interface optimization and performance of continuous carbon fiber reinforced aluminum matrix composites[J]. Special Casting & Nonferrous Alloys,2026,46(10):1 452-1 459. DOI: 10.15980/j.tzzz.Y20260006.
为提高碳纤维增强铝基复合材料的界面结合质量,研究了一种化学镀铜优化工艺与对应的热压调控技术。结果表明,采用十二烷基苯磺酸钠作为分散剂并结合镀液pH值,可有效消
除碳纤维表面镀层的岛状凸起和漏镀缺陷,获得均匀、光滑的铜镀层,单束碳纤维不同位置镀层厚度偏差降低至14%。在此基础上通过调控热压烧结温度,可在600 ℃时诱导铜镀层扩散并生成尺寸细小(0.92 µm)的Al
2
Cu相,从而改善界面结合。碳纤维体积分数为2.6%时,复合材料的抗拉强度较纯铝提高了169%,纤维增强效率可达95.1%,其失效行为表现为纤维的拔出和切断相结合的模式。
To improve the interfacial bonding quality of carbon fiber reinforced aluminum-matrix composites, a strategy combining electroless copper plating process and hot-pressing regulation was developed. The results indicate that island-like protrusions and uncoated defects on the carbon fiber surface are effectively eliminated by taking sodium dodecylbenzene sulfonate as dispersant combined with pH value of electroless plating solution, leading to a continuous and smooth copper coating. On this basis, copper coating diffusion can be induced at 600 ℃ by adjusting hot-pressing sintering temperature, resulting in a fine Al
2
Cu phase(0.92 µm), which improves the interfacial bonding. The tensile strength of composites is 169% higher than that of pure aluminum with carbon fiber volume fraction of 2.6%, and the fiber reinforcement efficiency reaches 95.1%. The failure behavior is characterized by mixed mode of fiber pull-out and direct fiber-cutting.
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