泽塔 (Ag3In) 阶段的热力学特性
Xunda Liu1,2, Hiroaki Tatsumi1, Zhi Jin1
1Joining and Welding Research Institute, Osaka University, Ibaraki 567-0047, Osaka, Japan.
Materials (Basel, Switzerland)
|November 25, 2023
概括
这项研究制造了纯的Ag3In,并测量了其热力学性能. Ag3In相表现出低硬度和扬模量,使其适用于压接头.
科学领域:
- 材料科学 材料科学 材料科学
- 可靠性工程可靠性工程
- 固态物理 固态物理
背景情况:
- 压连接接件材料的热力学性能对于高功率模块的可靠性至关重要.
- Ag-In过渡液相 (TLP) 粘合是一种新兴的模具附着方法.
- 对于在Ag-In TLP结合过程中形成的z (Ag3In) 金属间化合物 (IMC) 阶段的数据有限.
研究的目的:
- 制造一个纯净的,缩的 ζ (Ag3In) 阶段的散样.
- 在高温下研究 ζ (Ag3In) 阶段的热力学特性.
- 为了比较这些特性与其他IMC用于模具连接应用.
主要方法:
- 制造 ζ (Ag3In) 阶段的密集和纯散样.
- 从30°C到200°C对硬度和模量的实验研究.
- 在70°C和250°C之间测量热膨胀系数.
主要成果:
- 硬度线性下降,从1.78 GPa下降到1.46 GPa (30-200°C). 硬度从1.78 GPa下降到1.46 GPa (30-200°C). 硬度从1.78 GPa下降到1.46 GPa (30-200°C). 硬度从1.78 GPa下降到1.46 GPa (30-200°C). 硬度从1.78 GPa下降到1.46 GPa. 硬度从1.78 GPa下降到1.46 GPa. 硬度从1.78 GPa下降到1.46 GPa.
- 模量从82.3 GPa线性下降到66.5 GPa (30-200°C) 的时间.
- 热膨胀系数的平均值为18.63±0.61μm/m/°C (70-250°C). 热膨胀系数的平均值为18.63±0.61μm/m/°C (70-250°C). 热膨胀系数的平均值为18.63±0.61μm/m/°C (70-250°C).
结论:
- ζ (Ag3In) 阶段的硬度和模量与其他压IMC相比是最低的.
- 它适度的热膨胀系数和低弹性特性表明它有可能减轻热应力.
- 这些特性使得 ζ (Ag3In) 成为先进的压接头的有前途材料.
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