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多元纳米电压敏粉体的烧结力学研究
Alternative Titlekinetics in sintering composite nanopowders for varistors
康雪雅; 涂铭旌; 巴维真; 韩英
2003
Source Publication电子元件与材料
ISSN1001-2028
Volume22Issue:10Pages:19-22
Abstract

采用溶液胶 - 凝胶方法合成了粉径为20nm的多元纳米电压敏粉体,将纳米粉体用冷等静压成型制备成高密度的坯体,然后对坯体进行高温烧结。分了烧结过程中多元纳米电压 敏粉体的晶粒长大的动力学行为。在晶粒形成初期以表面扩散方式传质,通过实验和计算得到多元纳米粉体的晶粒长大的激活能为(36424)kJ/mol。

Other Abstract

The 20 nm composite nanopowders for varistors were prepared by sol-gel method .The samples of higher density were prepared by high-pressure cold-isostatic pressing and sintering at high temperature. The kinetics models of grain formation and grain growth are established. Early in sintering, the grains begin to form while atoms spreading through the powder surfaces. The activation energy obtained through experiment and the calculation for grain growth is (36424) kJ/mol.

Keyword纳米粉体 电压敏陶瓷 烧结动力学
Subject AreaEngineering (Provided By Thomson Reuters)
DOI10.14106/j.cnki.1001-2028.2003.10.007
Indexed ByCSCD
CSCD IDCSCD:1232668
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/2249
Collection材料物理与化学研究室
Affiliation中国科学院新疆理化技术研究所
Recommended Citation
GB/T 7714
康雪雅,涂铭旌,巴维真,等. 多元纳米电压敏粉体的烧结力学研究[J]. 电子元件与材料,2003,22(10):19-22.
APA 康雪雅,涂铭旌,巴维真,&韩英.(2003).多元纳米电压敏粉体的烧结力学研究.电子元件与材料,22(10),19-22.
MLA 康雪雅,et al."多元纳米电压敏粉体的烧结力学研究".电子元件与材料 22.10(2003):19-22.
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