
人工晶体学报 ›› 2026, Vol. 55 ›› Issue (6): 898-909.DOI: 10.16553/j.cnki.issn1000-985x.2026.0017
朱紫丹1(
), 高邦志1, 季梦夏1, 陈铭2, 王艺澄2, 刘福杰3, 许晖1, 张铭1(
)
收稿日期:2026-01-30
出版日期:2026-06-20
发布日期:2026-07-07
通信作者:
张铭,博士,教授。E-mail:zm@ujs.edu.cn作者简介:朱紫丹(2001—),女,湖南省人,硕士研究生。E-mail:zhuzidan1106@163.com
基金资助:
ZHU Zidan1(
), GAO Bangzhi1, JI Mengxia1, CHEN Ming2, WANG Yicheng2, LIU Fujie3, XU Hui1, ZHANG Ming1(
)
Received:2026-01-30
Online:2026-06-20
Published:2026-07-07
摘要: 在全球“碳达峰”和“碳中和”目标的推动下,光伏产业已成为能源转型的关键领域,其中晶硅电池占据光伏市场95%以上的份额。然而,市面上的晶硅切削液存在硅粉分散排泄不足、润滑性欠佳、循环利用性弱等缺点,严重影响了晶硅的表面精度,阻碍了光伏行业的发展。本文旨在克服上述不足,探究离子液体改性切削液对晶硅表面质量的影响。实验结果表明,向市售切削液中添加1%(质量分数)1-甲基-3-辛基咪唑氯盐([OMIM]Cl)离子液体的改性切削液性能最好,其pH值为6.26,黏度降至64.39 mPa·s,表面张力低至24.07 mN/m,表面接触角最小,润湿渗透能力最强,与市售切削液相比,摩擦系数降低约60%,磨损量减少26.1%,在降低摩擦与提升晶硅表面质量方面表现良好,具有广泛应用前景。
中图分类号:
朱紫丹, 高邦志, 季梦夏, 陈铭, 王艺澄, 刘福杰, 许晖, 张铭. 改性切削液优化晶硅表面摩擦系数的研究[J]. 人工晶体学报, 2026, 55(6): 898-909.
ZHU Zidan, GAO Bangzhi, JI Mengxia, CHEN Ming, WANG Yicheng, LIU Fujie, XU Hui, ZHANG Ming. Optimizing Friction Coefficient of Crystalline Silicon Surfaces Using Modified Cutting Fluids[J]. Journal of Synthetic Crystals, 2026, 55(6): 898-909.
| Entry | Type of cutting fluid | pH value |
|---|---|---|
| 1 | NT | 6.27 |
| 2 | NT-1%C4 | 6.16 |
| 3 | NT-2%C4 | 6.24 |
| 4 | NT-3%C4 | 5.57 |
| 5 | NT-1%C8 | 6.26 |
| 6 | NT-2%C8 | 6.02 |
| 7 | NT-3%C8 | 5.31 |
| 8 | NT-1%C16 | 6.07 |
| 9 | NT-2%C16 | 5.45 |
| 10 | NT-3%C16 | 6.67 |
表1 原始切削液与改性切削液的pH值
Table 1 pH values of original cutting fluids and modified cutting fluids
| Entry | Type of cutting fluid | pH value |
|---|---|---|
| 1 | NT | 6.27 |
| 2 | NT-1%C4 | 6.16 |
| 3 | NT-2%C4 | 6.24 |
| 4 | NT-3%C4 | 5.57 |
| 5 | NT-1%C8 | 6.26 |
| 6 | NT-2%C8 | 6.02 |
| 7 | NT-3%C8 | 5.31 |
| 8 | NT-1%C16 | 6.07 |
| 9 | NT-2%C16 | 5.45 |
| 10 | NT-3%C16 | 6.67 |
| Entry | Type of cutting fluid | Viscosity/(mPa·s) |
|---|---|---|
| 1 | NT | 68.5 |
| 2 | NT-1%C4 | 57.1 |
| 3 | NT-2%C4 | 64.3 |
| 4 | NT-3%C4 | 60.6 |
| 5 | NT-1%C8 | 64.4 |
| 6 | NT-2%C8 | 54.3 |
| 7 | NT-3%C8 | 46.1 |
| 8 | NT-1%C16 | 58.6 |
| 9 | NT-2%C16 | 51.4 |
| 10 | NT-3%C16 | 74.9 |
表2 原始切削液与改性切削液的黏度值
Table 2 Viscosity values of original cutting fluids and modified cutting fluids
| Entry | Type of cutting fluid | Viscosity/(mPa·s) |
|---|---|---|
| 1 | NT | 68.5 |
| 2 | NT-1%C4 | 57.1 |
| 3 | NT-2%C4 | 64.3 |
| 4 | NT-3%C4 | 60.6 |
| 5 | NT-1%C8 | 64.4 |
| 6 | NT-2%C8 | 54.3 |
| 7 | NT-3%C8 | 46.1 |
| 8 | NT-1%C16 | 58.6 |
| 9 | NT-2%C16 | 51.4 |
| 10 | NT-3%C16 | 74.9 |
| Entry | Type of cutting fluid | Surface tension/(mN·m-1) | Wettability evaluation |
|---|---|---|---|
| 1 | NT | 25.74 | Baseline |
| 2 | NT-1%C4 | 24.21 | Better |
| 3 | NT-2%C4 | 26.43 | Poor |
| 4 | NT-3%C4 | 26.57 | Poor |
| 5 | NT-1%C8 | 24.07 | Best |
| 6 | NT-2%C8 | 25.17 | Better |
| 7 | NT-3%C8 | 26.29 | Poor |
| 8 | NT-1%C16 | 24.73 | Better |
| 9 | NT-2%C16 | 26.28 | Poor |
| 10 | NT-3%C16 | 27.64 | Worst |
表3 原始切削液与改性切削液的表面张力值
Table 3 Surface tension values of original cutting fluids and modified cutting fluids
| Entry | Type of cutting fluid | Surface tension/(mN·m-1) | Wettability evaluation |
|---|---|---|---|
| 1 | NT | 25.74 | Baseline |
| 2 | NT-1%C4 | 24.21 | Better |
| 3 | NT-2%C4 | 26.43 | Poor |
| 4 | NT-3%C4 | 26.57 | Poor |
| 5 | NT-1%C8 | 24.07 | Best |
| 6 | NT-2%C8 | 25.17 | Better |
| 7 | NT-3%C8 | 26.29 | Poor |
| 8 | NT-1%C16 | 24.73 | Better |
| 9 | NT-2%C16 | 26.28 | Poor |
| 10 | NT-3%C16 | 27.64 | Worst |
图3 不同改性切削液与晶硅表面的接触角图像。(a)NT-1%C4;(b)NT-1%C8;(c)NT-1%C16;(d)NT-2%C4;(e)NT-2%C8;(f)NT-2%C16;(g)NT-3%C4;(h)NT-3%C8;(i)NT-3%C16
Fig.3 Contact angle images between different modified cutting fluids and the surface of crystalline silicon. (a) NT-1%C4;(b) NT-1%C8; (c) NT-1%C16; (d) NT-2%C4; (e) NT-2%C8; (f) NT-2%C16; (g) NT-3%C4; (h) NT-3%C8; (i) NT-3%C16
| 项目 | 测试条件 |
|---|---|
| 材料 | AISI 512000钢球(直径12.7 mm,硬度59-61 HRC) |
| 负载/N | 3 |
| 转速/(r·min-1) | 150 |
| 时间/min | 30 |
| 切削液种类 | NT-1%C8 NT-2%C8 NT-3%C8 |
表4 摩擦学测试条件
Table 4 Tribological test conditions
| 项目 | 测试条件 |
|---|---|
| 材料 | AISI 512000钢球(直径12.7 mm,硬度59-61 HRC) |
| 负载/N | 3 |
| 转速/(r·min-1) | 150 |
| 时间/min | 30 |
| 切削液种类 | NT-1%C8 NT-2%C8 NT-3%C8 |
图4 不同切削液处理后摩擦系数随时间的变化。(a)市售切削液NT;(b)NT-1%C8;(c)NT-2%C8;(d)NT-3%C8
Fig.4 Changes in friction coefficient over time treated with different cutting fluids. (a) Commercial cutting fluid NT;(b) NT-1%C8; (c) NT-2%C8; (d) NT-3%C8
图5 不同切削液处理后晶硅样品的AFM二维形貌图(5 μm × 5 μm)。(a)市售切削液NT;(b)NT-1%C8;(c)NT-2%C8;(d)NT-3%C8
Fig.5 AFM 2D topography images of crystalline silicon samples treated with different cutting fluids (5 μm × 5 μm). (a) Commercial cutting fluid NT; (b) NT-1%C8; (c) NT-2%C8; (d) NT-3%C8
图6 不同切削液处理后晶硅样品的AFM三维形貌图(5 μm×5 μm)。(a)市售切削液NT;(b)NT-1%C8;(c)NT-2%C8;(d)NT-3%C8
Fig.6 AFM 3D topography images of crystalline silicon samples treated with different cutting fluids (5 μm × 5 μm). (a) Commercial cutting fluid NT; (b) NT-1%C8; (c) NT-2%C8; (d) NT-3%C8
图7 不同切削液处理后晶硅样品的AFM磨痕深度图(扫描长度 300 nm)。(a)市售切削液NT;(b)NT-1%C8;(c)NT-2%C8;(d)NT-3%C8
Fig.7 AFM wear scar depth profiles of crystalline silicon samples treated with different cutting fluids (scan length: 300 nm).(a) Commercial cutting fluid NT; (b) NT-1%C8; (c) NT-2%C8; (d) NT-3%C8
图8 市售切削液NT作用下晶硅表面磨痕光学显微镜图像
Fig.8 Optical microscope images of scratches on the surface of monocrystalline silicon under the effect of commercial cutting fluid NT
图9 不同切削液处理后摩擦磨损形貌的光学显微镜表征。(a)市售切削液NT;(b)NT-1%C8;(c)NT-2%C8;(d)NT-3%C8
Fig.9 Optical microscopy characterization of the friction and wear morphology treated with different cutting fluids. (a) Commercial cutting fluid NT; (b) NT-1%C8; (c) NT-2%C8; (d) NT-3%C8
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