在已镀铜涤纶织物表面采用电镀技术制备了一种非晶态 Ni-Fe-P 合金屏蔽织物。选用8因素3水平的正交试验对制备工艺进行了探讨研究,分析了电镀液组成对镀层沉积速率及组分的影响,借助SEM、EDS和XRD对镀层表面形貌、成分及结构进行了分析,并测试了合金织物的电磁屏蔽效能。结果表明,制备非晶态 Ni-Fe-P 合金织物的电镀工艺为硫酸镍135 g/L,硫酸亚铁105 g/L,次亚磷酸钠8 g/L,抗坏血酸24 g/L,柠檬酸36 g/L,亚磷酸22 g/L,温度65℃,pH 值＝1．5,电流密度13 A/dm2,合金织物表面镀层致密均匀,结晶细致,镀层为非晶态结构的 Ni-Fe-P合金,其中 P 的质量分数为18．67％,在300 kHz~1．5 GHz频率范围内,合金织物电磁屏蔽效能达到了60．82~73．63 dB。
A flexible shielding fabric with dense uniform coating was prepared after electrical deposition of amor-phous Ni-Fe-P alloy on copper-coated polyethylene terephthalate (PET)fabric.The manufacturing process was studied using orthogonal test with 8 factors and 3 levels.Analyzed the components of the plating solution on the influence of the disposition rate and composition of coating.The morphology,composition,and structure of coating were analyzed by SEM,EDS and XRD characterizations.The EMI shielding effectiveness was also test-ed.The results indicate the processing conditions of electrical deposition amorphous Ni-Fe-P alloy coated fabric are:135 g/L NiSO4 ·6H2O,105 g/L FeSO4 ·7H2O,8 g/L NaH2PO2 ·H2O,24 g/L C6H8O6,36 g/L C6H8O7,22 g/L H3PO3,65 ℃,pH=1.5,and current density =13 A/dm2.The results fabric possesses dense,smooth,and uniform coating,which consists of amorphous Ni-Fe-P alloy with 18.67wt% P.The EMI shielding effectiveness of this coated fabric achieves 60.82-73.63 dB in a broad frequency range between 300 kHz-1 .5 GHz.
参考文献
| [1] | 刘刚,张勇.弹药包装材料现状与发展趋势及其电磁防护需求[J].包装工程,2009(12):121-123. |
| [2] | 李杰然,张烨,李亮.战场复杂电磁环境分析[J].科学之友,2010(12):111-112. |
| [3] | Yin Chun;Stark B;Chen Yanquan et al.Adaptive mini-mum energy cognitive lighting control:integer order vs fractional order strategies in sliding mode based extreme seeking mechatronics[J].MECHATRONICS,2013,23(7):863-872. |
| [4] | 张晓艺,安振涛,闫军,刘莹,王维.电磁屏蔽织物材料研究进展[J].包装工程,2014(03):102-106. |
| [5] | Lu, YX;Jiang, SH;Huang, YM .Ultrasonic-assisted electroless deposition of Ag on PET fabric with low silver content for EMI shielding[J].Surface & Coatings Technology,2010(16/17):2829-2833. |
| [6] | Synergetic effect of conducting polymer composites reinforced E-glass fabric for the control of electromagnetic radiations[J].Composites science and technology,2010(6):p.1017. |
| [7] | Liang Qian;Lu Yinxiang;Li Wenlong .Fabrication of cop-per/modal fabric composites through electroless plating process for electromagnetic interference shielding[J].Materi-als Chemistry and Physics,2013,140(2-3):553-558. |
| [8] | 凌明花,张辉.涤纶织物纳米Fe3O4颗粒化学复合镀铜[J].功能材料,2010(z3):455-458. |
| [9] | 甘雪萍,仵亚婷,刘磊,沈彬,胡文彬.以次磷酸钠为还原剂涤纶织物化学镀铜研究[J].功能材料,2007(05):782-786. |
| [10] | 李奇军,刘长隆,周明,高传玉,张伟.含不锈钢纤维机织物电磁屏蔽机理及其效能的仿真研究[J].功能材料,2013(14):2041-2046. |
| [11] | Gao Chenhui.Properties of amorphous alloy plating and coating[M].北京:科学出版社,2004:71-73. |
| [12] | Tu Zhenmi.Plating alloy practical technology[M].Bei-jing:National Defense Industry Press,2007:344-374. |
| [13] | Ma Chunxia .Study of preparation and characterization of the tin-copper coated PET fabrics[D].Hangzhou:Zhejiang Sci-Tech University Master's Thesis,2011. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%