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相关实验视频

Updated: Jun 9, 2025

Challenges in Rheological Characterization of Highly Concentrated Suspensions — A Case Study for Screen-printing Silver Pastes
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在印银片式油墨中使用颗粒结构工程,用于高温印刷电子应用.

Arjun Wadhwa1, Mohammad Saadati1, Jaime Benavides-Guerrero1

  • 1Department of Electrical Engineering, École de Technologie Supérieure, 1100 Notre Dame Street West, Montreal, QC H3C 1K3, Canada.

Materials (Basel, Switzerland)
|October 26, 2024
PubMed
概括
此摘要是机器生成的。

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将颗粒添加到银墨水中,可以显著提高其热稳定性. 这种粒度边界定位允许在高达700°C的温度下保持稳定的电导率,从而使印银片油墨的操作限制翻倍.

科学领域:

  • 材料科学 材料科学 材料科学
  • 纳米技术纳米技术
  • 金工业是金工业的一个方面.

背景情况:

  • 印银片墨水被广泛使用,但受到热不稳定性的限制.
  • 高工作温度导致谷物生长,降低电导率.

研究的目的:

  • 为了研究含量对印银墨的粒度结构和热稳定性的影响.
  • 为了提高银片油墨的操作温度范围.

主要方法:

  • 电子反散衍射 (EBSD) 用于粒径分析.
  • 通过异热暴露 (10分钟至4小时) 在250°C至900°C的温度下进行热稳定性测试.
  • 电导和电阻的测量.

主要成果:

  • 与原始墨水相比,含有5%重量的银墨水表现出显著减缓的粒度生长.
  • 装有的油墨保持了稳定的电导率高达700°C,比传统的400°C极限大幅增加.
  • 由于Zener被颗粒固定,激活能量减少了54%,抑制了谷物生长.

结论:

  • 将颗粒控制添加到银墨水中,使得颗粒结构工程能够提高热稳定性.
关键词:
在X射线光电子光谱学 (XPS) 中.电子背散衍射 (EBSD) 是一种电子背散衍射.谷物边界定 定 谷物边界定高温装置的高温装置是什么印刷电子产品 印刷电子产品丝网印刷 丝网印刷 丝网印刷颗粒是一种颗粒.银色片墨水的墨水.

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  • 这种方法显著扩大了印金属油墨在高温环境中的潜在应用.
  • 泽纳固定机制有效地稳定了在高温下电气性能.