2作為觸頭材料的添加劑，采用粉末冶金法制備了6種不同第二相（SnO2）粒度的AgSnO2和AgSnO2/TiO2觸頭材料。研究了2種觸頭材料的潤濕性和電接觸性能。用座滴法測量了Ag與SnO2之間的潤濕角，并表征了材料的濕潤性，使用JF04C電接觸觸頭材料測試系統(tǒng)對材料電接觸性能進行了測試，分析了不同第二相粒度的觸頭材料的潤濕性和電接觸性能的變化規(guī)律。結(jié)果表明，當?shù)诙嗔６葹?00~300 nm時，2種觸頭材料的性能均優(yōu)于其它粒度的觸頭材料。"/>

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第二相粒度對AgSnO2 觸頭材料潤濕性和電接觸性能的影響
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1.河北工業(yè)大學 省部共建電工裝備可靠性與智能化國家重點實驗室，天津 300130;2.河北工業(yè)大學 河北省電磁場與電器可靠性重點實驗室，天津 300130

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基金項目:

國家自然科學基金(51777057),河北省自然科學基金(E2016202106),河北省高等學校科學技術(shù)研究項目(ZD2016078)


Effect of Particle Size of Second Phase on Wettability and Electrical Contact Properties of AgSnO2 Contact Materials
Author:
Affiliation:

1.State Key Laboratory of Reliability and Intelligence of Electrical Equipment, Hebei University of Technology, Tianjin 300130, China;2.Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability of Hebei Province, Hebei University of Technology, Tianjin 300130, China

Fund Project:

National Natural Science Foundation of China (51777057); Natural Science Foundation of Hebei Province (E2016202106); Science and Technology Research Project of Hebei Higher Education (ZD2016078)

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    摘要:

    選用TiO2作為觸頭材料的添加劑，采用粉末冶金法制備了6種不同第二相（SnO2）粒度的AgSnO2和AgSnO2/TiO2觸頭材料。研究了2種觸頭材料的潤濕性和電接觸性能。用座滴法測量了Ag與SnO2之間的潤濕角，并表征了材料的濕潤性，使用JF04C電接觸觸頭材料測試系統(tǒng)對材料電接觸性能進行了測試，分析了不同第二相粒度的觸頭材料的潤濕性和電接觸性能的變化規(guī)律。結(jié)果表明，當?shù)诙嗔６葹?00~300 nm時，2種觸頭材料的性能均優(yōu)于其它粒度的觸頭材料。

    Abstract:

    TiO2 was selected as the additive of the contact material, and AgSnO2 and AgSnO2/TiO2 contact materials with six different particle sizes of second phase (SnO2) were prepared by powder metallurgy. The wettability and electrical contact properties of both contact materials were studied. The wetting angle between Ag and SnO2 was measured by the sessile drop method, and the wettability was characterized. The JF04C electrical contact material testing system was used to test the electrical contact properties, and the change laws of wettability and electrical contact performance of contact materials with different particle sizes of second phase were analyzed. The results show that the properties of the two contact materials with the particle size of second phase ranging in 100~300 nm are better than those with other particle sizes.

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王海濤,劉偉,楊夢林,朱艷彩.第二相粒度對AgSnO2 觸頭材料潤濕性和電接觸性能的影響[J].稀有金屬材料與工程,2022,51(1):24~29.[Wang Haitao, Liu Wei, Yang Menglin, Zhu Yancai. Effect of Particle Size of Second Phase on Wettability and Electrical Contact Properties of AgSnO2 Contact Materials[J]. Rare Metal Materials and Engineering,2022,51(1):24~29.]
DOI：10.12442/j. issn.1002-185X.20200878

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  • 收稿日期:2020-11-15
  • 最后修改日期:2020-12-24
  • 錄用日期:2021-02-03
  • 在線發(fā)布日期: 2022-02-04
  • 出版日期: 2022-01-28