| 引用本文: | 耿继业,李思佳,蓝嘉昕,郑继明,李义兵,罗鲲,汪子林.基于镓基液态金属玻璃倾斜开关的制备及研究[J].材料科学与工艺,2021,29(4):74-80.DOI:10.11951/j.issn.1005-0299.20200158. |
| GENG Jiye,LI Sijia,LAN Jiaxin,ZHENG Jiming,LI Yibing,LUO Kun,WANG Zilin.Research on preparation and wettability of gallium based liquid metal glass tilt switch[J].Materials Science and Technology,2021,29(4):74-80.DOI:10.11951/j.issn.1005-0299.20200158. |
|
| |
|
|
| 本文已被：浏览 313次 下载 253次 |
码上扫一扫！ |
|
|
| 基于镓基液态金属玻璃倾斜开关的制备及研究 |
|
耿继业1, 李思佳1,蓝嘉昕1,郑继明1,李义兵1,罗鲲2,汪子林3
|
|
(1.桂林理工大学 材料科学与工程学院, 广西 桂林 541004;2.常州大学 材料科学与工程学院,江苏 常州 213164;3.国网鄂州供电公司,湖北 鄂州 436000)
|
|
| 摘要: |
| 本文通过气氛保护熔炼法制备GaInSnZn液态金属,利用该合金作为导电液滴成功制备倾斜开关。通过扫描电镜(SEM)和能谱分析仪(EDS)对其微观形貌和成分进行了测试和分析,利用差式扫描量热仪(DSC)对其进行了熔点和凝固点测试,通过接触角测定仪研究了该液态合金在不同环境、不同基底表面的润湿性。结果表明:合金的质量比为m(Ga)∶m(In)∶m(Sn)∶m(Zn)=60.7∶25.2∶13∶1.1,熔点为9.5 ℃,凝固点为-5.2 ℃。合金在氧含量极低的环境下不会被氧化,在基底表面具有较大的接触角,且不会产生粘附。而在大气环境下,通过在玻璃和铜表面旋涂和喷涂PTFE分散液和导电碳膜做为涂层,其表面接触角分别从129.2 °、123.9 °增加到159.5 °、153.5 °,该涂层防止了液滴与基底之间的直接接触,从而解决了氧化层对基底的粘附和对铜表面的腐蚀。最后在氩气环境下,通过镀膜处理,结合镓基液态金属的流动性和高导电性,成功制备了镓基液态金属玻璃倾斜开关,通过与水银倾斜开关对比,验证了该开关在电路实际应用中的接触稳定性。 |
| 关键词: 液态金属 倾斜开关 镀膜处理 接触角 粘附性 |
| DOI：10.11951/j.issn.1005-0299.20200158 |
| 分类号:TG178 |
| 文献标识码:A |
| 基金项目:广西创新驱动发展专项资金项目(桂科AA17204021-7). |
|
| Research on preparation and wettability of gallium based liquid metal glass tilt switch |
|
GENG Jiye1, LI Sijia1, LAN Jiaxin1, ZHENG Jiming1, LI Yibing1, LUO Kun2, WANG Zilin3
|
|
(1. College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China; 2. School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China; 3. State Grid Ezhou Power Supply Company, Ezhou 436000, China)
|
| Abstract: |
| In this study, GaInSnZn liquid metal was prepared by the atmospheric protective melting method, and the tilt switch was successfully prepared by using the alloy as a conductive droplet. Scanning Electron Microscopy (SEM) and Energy Spectrum Analyzer (EDS) were used to test the microstructure and composition of the liquid alloy. The melting point and freezing point of the liquid alloy were measured by Differential Scanning Calorimetry (DSC). The wettability of the liquid alloy in different environments and different substrate surfaces was studied by a contact angle analyzer. The main results are as follows. The mass percentage of the alloy was divided into m(Ga)∶m(In)∶m(Sn)∶m(Zn) =60.7∶25.2∶13∶1.1;the melting point was 9.5 ℃ and the freezing point was -5.2 ℃. The alloy did not oxidize at very low oxygen content, had a large contact angle on the substrate surface, and did not adhere. Under atmospheric conditions, the surface contact angles of glass and copper were increased from 129.2° and 123.9° to 159.5° and 153.5°, respectively, by spin-coating and spraying PTFE dispersion and conductive carbon film on the surface. The coating prevented direct contact between the droplets and the substrate, thus eliminating the adhesion of the oxide layer on the substrate and the corrosion of the copper surface. Finally, in the argon environment, through coating treatment and combined with the fluidity and high electrical conductivity of Ga-based liquid metal, a Ga-based liquid metal glass tilt switch was successfully prepared. Compared with mercury tilt switch, the contact stability of the switch in the practical application of the circuit was verified. |
| Key words: liquid metal tilt switch coating treatment contact angle adhesion |
|
|
|
|
