研究了自反应喷射成形技术制备片状吸波剂的可行性以及基板材质对制备片状吸波剂微观结构及电磁性能的影响。以 Fe+MnO2+Fe2 O3+ZnO为反应体系，选取了石墨、黄铜和钨铜3种材质基板，基于自反应喷射成形技术原理制备锰-锌铁氧体片状吸波剂，进行自反应喷射成形实验，采用 XRD、SEM分析获得的片状吸波剂的形貌、物相和微观结构，选用矢量网络分析仪测试片状吸波剂的电磁性能。结果表明：只有当黄铜作为基板时才能够得到较明显的锰-锌铁氧体片状吸波剂，并且黄铜作为基板的片状吸波剂的电磁波吸收强度和吸收带宽均强于其余2种，说明基板的选择对自反应喷射成形法制备片状吸波剂无论是在微观结构方面还是在吸波性能方面都会产生较大影响。
The feasibility of preparing flake absorbent by self-reactive spray forming technology and the effect of substrate on microstructure and electromagnetic properties of flake absorbent were studied.Fe+MnO2+Fe2 O3+ZnO was treated as the reactive system.Substrates made of graphite,tungsten copper and brass materials were cho-sen to prepare the flake Mn-Zn ferrite absorbent based on mechanism of self-reactive spray forming technology.XRD and SEM were used to characterize the morphology phase and microstructure of the absorbent.The electromagnetic properties of the flake absorbent were tested by the web vector analyzers.The results show that,flake Mn-Zn fer-rite absorbent can only be obviously acquired by brass substrate,and the absorption intensity and bandwidth of the absorbent prepared on brass is better than the other two kinds.It means that the choice of substrate has a great effect on both microstructure aspect and electromagnetic properties aspect of flake absorbent prepared by self-reac-tive spray forming technology.
参考文献
| [1] | Wen Fu-Sheng;Qiao Liang;Zhou Dong;Zuo Wen-Liang;Yi Hai-Bo;Li Fa-Shen.Influence of shape anisotropy on microwave complex permeability in carbonyl iron flakes/epoxy resin composites[J].中国物理B(英文版),2008(6):2263-2267. |
| [2] | 谢建良;陆传林;邓龙江.二氧化硅/片状金属磁粉壳核粒子制备及电磁特性[J].复合材料学报,2007(2):18-22. |
| [3] | 杨林;田冲;张永昌;叶恒强.喷射成形硅钢板坯的工艺研究[J].粉末冶金技术,2001(6):354-357. |
| [4] | 杨小霞;谭敦强;陈伟;肖冬飞.氮气喷射沉积镁合金传热过程分析[J].特种铸造及有色合金,2011(12):1163-1167. |
| [5] | ZHANG Yin;FAN Junfei;REN Sanbin.Experimental and mathematical modeling of metal spray forming process[J].宝钢技术研究（英文版）,2011(03):9-14. |
| [6] | 皮涛;李京龙;李长久.低速大熔滴模拟热喷涂熔滴扁平化过程的研究[J].甘肃工业大学学报,1998(04):14. |
| [7] | G.Bidron;S. Goutier;P. Denoirjean;M. Vardelle;P. Fauchais;谢旭霞(译).表面粗糙度、润湿性及温度对陶瓷熔滴扁平化行为的影响[J].热喷涂技术,2012(4):53-60. |
| [8] | 王建江;刘宏伟;胡文斌;温晋华.不同配系自反应喷射成形复相陶瓷坯件的组织与性能[J].复合材料学报,2010(4):38-44. |
| [9] | 张伟;苏东林.自由空间法测量复合材料复电磁参数[J].复合材料学报,2007(1):141-145. |
| [10] | 李国福;代建清;陈世杰;夏井兵;陈辉.热处理对NiCuZn铁氧体磁性能的影响[J].人工晶体学报,2013(4):727-731. |
| [11] | 胡建平;庞永强;程海峰;唐耿平;邢欣.组分对FeCoB纳米晶微波电磁参数及吸波性能的影响[J].功能材料,2010(4):598-600. |
| [12] | Xie Guozhi;Song Xiaolong;Zhang Baoshan.Microstructure and electromagnetic properties of flake-like Nd-Fe-B nanocomposite powders with different milling times[J].Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems,20113(3):220-224. |
| [13] | 汪滨;李从举.单相钡铁氧体磁性材料的制备及磁性能研究[J].材料导报,2011(24):107-110,114. |
| [14] | 王立群;宿杰;何聚;周严;余大书.Mn-Zn铁氧体纳米晶体的制备及吸波性能研究[J].天津师范大学学报（自然科学版）,2007(2):15-18. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%