摘要
A test of lithium wettability was performed in high vacuum (< 3 × 10-4 Pa). High magnification images of Li droplets on stainless steel substrates were produced and processed using the MATLAB® program to obtain clear image edge points. In contrast to the more standard "θ/2" or polynomial fitting methods, ellipse fitting of the complete Li droplet shape resulted in reliable contact angle measurements over a wide range of contact angles. Using the ellipse fitting method, it was observed that the contact angle of a liquid Li droplet on a stainless steel substrate gradually decreased with increasing substrate temperature. The critical wetting temperature of liquid Li on stainless steel was observed to be about 290 C.
| 源语言 | 英语 |
|---|---|
| 文章编号 | 023506 |
| 期刊 | Review of Scientific Instruments |
| 卷 | 85 |
| 期 | 2 |
| DOI | |
| 出版状态 | 已出版 - 2月 2014 |
学术指纹
探究 'Methods and preliminary measurement results of liquid Li wettability' 的科研主题。它们共同构成独一无二的指纹。引用此
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