相关实验视频
Updated: Jul 21, 2026

08:40
Preparation and Characterization of C60/Graphene Hybrid Nanostructures
Published on: May 15, 2018
9.5K
增强环氧复合材料的热传输,使用在热接口上生长的垂直对齐的石墨烯in situ
Jiaqiang Liao1,2, Shijie Chen3, Minjin Huang1
1School of Mechanical Engineering, Guangxi University, Nanning, Guangxi 530004, China.
Physical chemistry chemical physics : PCCP
|October 1, 2024
概括
研究人员使用通过射频等离子体增强化学蒸气沉积 (RF-PECVD) 培养的垂直对齐石墨烯增强了热接口材料 (TIM). 这显著改善了电子设备的散热.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 热力工程是热力工程中的一个.
背景情况:
- 在电子产品中,小型化和便携性要求高效的散热.
- 高性能热接口材料 (TIM) 对于增强传热至关重要.
- 接触面之间的间隙阻碍了高效的热管理.
研究的目的:
- 为了增强环氧复合材料TIMs的热性能.
- 为了研究in situ种植的垂直对齐的石墨烯对环氧的作用.
- 为推进 TIM 开发新的视角.
主要方法:
- 在金属表面上集成垂直对齐的石墨烯,使用射频等离子增强化学蒸汽沉积 (RF-PECVD).
- 一个三明治结构的制造:铜/垂直石墨烯环氧/铜 (Cu/VG-EP/Cu).
- 将环氧树脂纳入结构.
主要成果:
- 为VG-EP. 实现了2.06 W m-1 K-1的导热率.
- 在导热性方面表现出1215%的最大增强.
- 数字模拟证实了与温度梯度对齐的垂直石墨烯的最高传热效率.
结论:
- 垂直对齐的石墨烯显著提高了环氧复合材料TIMs的导热性.
- 该研究强调了垂直对齐的填充剂在TIM应用中的优势.
- 这种方法为开发用于电子的先进TIM提供了新的前景.
相关概念视频
Olefin Metathesis Polymerization: Overview
Recently, the development of olefin metathesis polymerization advanced the field of polymer synthesis. Simply put, the reorganization of substituents on their double bonds between two olefins in the presence of a catalyst is known as the olefin metathesis reaction. The use of metathesis reaction for polymer synthesis is called olefin metathesis polymerization.
Ruthenium-based Grubbs catalyst is the most commonly used catalyst for olefin metathesis polymerization. Grubbs catalyst consists of a...
Ruthenium-based Grubbs catalyst is the most commonly used catalyst for olefin metathesis polymerization. Grubbs catalyst consists of a...
Accelerated Curing of Concrete
Accelerating concrete curing is achieved by applying heat and additional moisture. This process accelerates the hydration of the cement, resulting in an earlier strength gain in the concrete. Steam curing is a method wherein the concrete products are either transported through a chamber on a conveyor belt or encased in plastic, allowing steam at atmospheric pressure to circulate freely around them. This process begins with a phase of moist curing that typically lasts between 3 to 5 hours, after...
Mass Concreting
Mass concreting refers to the process of placing large volumes of concrete, such as in gravity dams. The heat generated during the cement hydration process and differential cooling rates within the concrete mass can lead to a temperature gradient, which can result in thermal cracks in the concrete mass.
To reduce the risk of such cracking, the concrete mix may incorporate low-heat cement and pozzolans to reduce the temperature rise. Pre-cooled angular aggregates and water-reducing admixtures...
To reduce the risk of such cracking, the concrete mix may incorporate low-heat cement and pozzolans to reduce the temperature rise. Pre-cooled angular aggregates and water-reducing admixtures...

