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对碳纤维增强树脂基复合材料筒体内壁表面进行金属化处理，通过射频等离子体活化、磁控溅射沉积过渡层金属、电镀沉积镍三个步骤在碳纤维复合材料筒体内壁制备大厚度、高结合强度的金属涂层。以拉拔法测试涂层与基体之间的结合强度，探究Cu、Ti-Cu过渡层及不同过渡层厚度对金属涂层结合强度的影响。采用扫描电镜及配套的能谱仪观测金属涂层表面微观形貌和截面元素组成，采用X射线衍射仪分析金属涂层的晶体结构。结果表明，磁控溅射Ti-Cu过渡层能明显提高电镀Ni金属涂层与基体之间的结合强度，钛膜层厚度对电镀Ni金属涂层结合强度的影响很大，铜膜层厚度对结合强度相对较小，结合强度随着铜膜层的增厚而降低。在等离子体活化的基础上，通过磁控溅射在CFRP筒体内壁制备0.2μm Ti+1μm Cu的过渡层，使电镀约17μm Ni金属涂层的结合强度达到2.05 MPa，赋予了碳纤维复合材料筒体内壁金属特性。
Abstract：The surface of the inner wall of the carbon fiber reinforced resin matrix composite cylinder is metallized, and a metal coating with large thickness and high bonding strength is prepared on the inner wall of the cylinder of the carbon fiber composite through three steps of radio frequency plasma activation, magnetron sputtering deposition of the transition layer metal, and plating deposition of nickel. The bonding strength between the coating and the substrate was tested by the pulling method to investigate the effects of different transition layer types and thicknesses on the bonding strength of the metal coating. A scanning electron microscope(SEM) and an accompanying energy spectrometer were used to observe the surface microscopic morphology and cross-section elemental composition of the metal coatings, and an X-ray diffractometer was used to analyze the crystal structure of the metal coatings. The results show that magnetron sputtering of the Ti-Cu transition layer can significantly improve the bonding strength between the electroplated Ni metal coating and the substrate, and the thickness of the titanium film layer has a great influence on the film-based bonding strength, while the thickness of the copper film layer has a relatively small influence on the bonding strength, and the film-based bonding strength decreases with the thickening of the copper film layer. A transition layer of 0.2 μm Ti + 1 μm Cu was magnetron sputtered on the inner wall of the CFRP cylinder, followed by electroplating of about 17 μm Ni metal, and the bonding strength of the prepared metal coating reached 2.05 MPa, which endowed the metallic characteristics of the inner wall of the carbon fiber composite cylinder.
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基本信息:
DOI：10.13922/j.cnki.cjvst.202405008
中图分类号:TB306;TB332
引用信息:
[1]万俊豪,杨洋,但敏等.磁控溅射过渡层对CFRP筒体内壁电镀Ni金属涂层结合性能的影响[J].真空科学与技术学报,2025,45(01):8-13.DOI:10.13922/j.cnki.cjvst.202405008.
基金信息:
粒子输运与富集技术国防科技重点实验室开放课题研究基金（SYSKFJ2022）; 西物创新行动项目（202301XWCX003）