The effect of four kinds of rare earth elements on the depositing rate of Ni-based alloy brush plating coatings was investigated. The results indicate that all of the selected rare earth elements increase the depositi...The effect of four kinds of rare earth elements on the depositing rate of Ni-based alloy brush plating coatings was investigated. The results indicate that all of the selected rare earth elements increase the depositing rate of Ni-based alloy coatings, and Sm increases the depositing rate most obviously. There is an optimum amount of rare earth addition in the plating solution. With the change of plating voltage to a certain extent, the results reveal no differences. The mechanism of the increase of the depositing rate was analyzed.展开更多
以漂珠(FACs)为基体,采用化学镀法制得FACs/Ni–Fe–P复合粉体。分别采用扫描电镜、X射线光电子能谱仪、矢量网络分析仪等研究了FACs/Ni–Fe–P复合材料的微观形貌、组成、电磁特性和吸波性能。结果表明,镀覆后漂珠表面形成了均匀致密...以漂珠(FACs)为基体,采用化学镀法制得FACs/Ni–Fe–P复合粉体。分别采用扫描电镜、X射线光电子能谱仪、矢量网络分析仪等研究了FACs/Ni–Fe–P复合材料的微观形貌、组成、电磁特性和吸波性能。结果表明,镀覆后漂珠表面形成了均匀致密的Ni–Fe–P合金镀层。从[Ni2+]∶[Fe2+]为1∶1的镀液中制得的FACs/Ni–Fe–P复合粉体在2~18 GHz范围内具有较好的介电损耗和磁损耗性能。以FACs/Ni–Fe–P复合粉体为吸收剂的吸波材料厚度为1.5 mm时,其在15.1 GHz处的反射损耗峰值为-31.28 d B,反射损耗小于-20 d B的带宽为1.9 GHz。展开更多
文摘The effect of four kinds of rare earth elements on the depositing rate of Ni-based alloy brush plating coatings was investigated. The results indicate that all of the selected rare earth elements increase the depositing rate of Ni-based alloy coatings, and Sm increases the depositing rate most obviously. There is an optimum amount of rare earth addition in the plating solution. With the change of plating voltage to a certain extent, the results reveal no differences. The mechanism of the increase of the depositing rate was analyzed.
文摘以漂珠(FACs)为基体,采用化学镀法制得FACs/Ni–Fe–P复合粉体。分别采用扫描电镜、X射线光电子能谱仪、矢量网络分析仪等研究了FACs/Ni–Fe–P复合材料的微观形貌、组成、电磁特性和吸波性能。结果表明,镀覆后漂珠表面形成了均匀致密的Ni–Fe–P合金镀层。从[Ni2+]∶[Fe2+]为1∶1的镀液中制得的FACs/Ni–Fe–P复合粉体在2~18 GHz范围内具有较好的介电损耗和磁损耗性能。以FACs/Ni–Fe–P复合粉体为吸收剂的吸波材料厚度为1.5 mm时,其在15.1 GHz处的反射损耗峰值为-31.28 d B,反射损耗小于-20 d B的带宽为1.9 GHz。