| 化学镀镍对BaTiO3基陶瓷PTC效应影响的机理研究 |
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| 引用本文： | 陈万平,李龙土,桂治轮,齐建全,王德君.化学镀镍对BaTiO3基陶瓷PTC效应影响的机理研究[J].无机材料学报,1997,12(4):620-622. |
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| 作者姓名： | 陈万平 李龙土 桂治轮 齐建全 王德君 |
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| 作者单位： | 清华大学材料科学与工程系!北京，100084 |
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| 摘 要： | 本文通过对比实验，研究了化学镀镍对于ＰＴＣ效应影响的机理。结果表明，对于某些致密的ＰＴＣ半导体陶瓷，化学镀镍后其室温电阻变小、升阻比下降不是由于镀液的渗透，而是与镀镍过程中发生的化学反应有关。首次提出了化学镀过程中产生的初生态氢原子影响ＰＴＣ效应的观点。
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| 关 键 词： | 化学镀 陶瓷 PTC效应 电镀 镀镍 钛酸钡陶瓷 |
| 收稿时间： | 1996-6-24 |
| 修稿时间： | 1996-8-5 |
Fundamental Study of the Influence of Electroless Nickel Plating on PTC Effect in BaTiO3-based Ceramics |
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| CHEN Wangping,LI Longtu,GUI Zhilun,QI Jianquan,WANG Dejun.Fundamental Study of the Influence of Electroless Nickel Plating on PTC Effect in BaTiO3-based Ceramics[J].Journal of Inorganic Materials,1997,12(4):620-622. |
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| Authors: | CHEN Wangping LI Longtu GUI Zhilun QI Jianquan WANG Dejun |
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| Affiliation: | Dept.ofMaterialsSci.andEng.,QinghuaUniv.Beijing100084China |
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| Abstract: | A fundamental study of the influence of electroless nickel plating on PTC effect in some semi-conducting ceramics of (Ba1-xPbx)TiO3 was made by comparison experiment. It was discovered that in some dense PTC ceramics the influence of nickel plating was not due to the permeation of plating solution into the ceramics, but was related to the reactions in the course of nickel plating.It was first proposed in this paper that nascent hydrogen generated in nickel plating could have infiuence on PTC effect. |
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| Keywords: | electroless plating PTC effect ceramics |
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