Enhancement of thermal interface material properties using carbon nanotubes through simple electrophoretic deposition method

2020 ◽  
Vol 44 (6) ◽  
pp. 4944-4960 ◽  
Author(s):  
Raihana Bahru ◽  
Mohd Ambri Mohamed
Keyword(s):  
Carbon Nanotubes ◽  
Electrophoretic Deposition ◽  
Material Properties ◽  
Thermal Interface Material ◽  
Deposition Method ◽  
Thermal Interface

scholarly journals Effects of frequency on supercapacitor properties of multi walled carbon nanotubes-polypyrrole film prepared by alternating current-electrophoretic deposition method

2020 ◽  
Vol 7 (2) ◽  
pp. 025605
Author(s):  
Muhammad Syafiq Adham Mohd Saini ◽  
Nor Aimi Abdul Wahab ◽  
Azmi Mohamed Yusof ◽  
Mohd Zaki Mohd Yusoff ◽  
Abd Hakim Hashim ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Electrophoretic Deposition ◽  
Alternating Current ◽  
Deposition Method ◽  
Multi Walled Carbon Nanotubes ◽  
Polypyrrole Film ◽  
Walled Carbon Nanotubes

Comparison between CNT Thermal Interface Materials with Graphene Thermal Interface Material in Term of Thermal Conductivity

2020 ◽  
Vol 1010 ◽  
pp. 160-165
Author(s):  
Mazlan Mohamed ◽  
Mohd Nazri Omar ◽  
Mohamad Shaiful Ashrul Ishak ◽  
Rozyanty Rahman ◽  
Nor Zaiazmin Yahaya ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Carbon Nanotubes ◽  
Thermal Contact Resistance ◽  
Thermal Contact ◽  
Thermal Interface Material ◽  
Thermal Interface Materials ◽  
Thermal Interface ◽  
Mixed Material ◽  
Interface Materials ◽  
Main Material

Thermal interface material (TIM) had been well conducted and developed by using several material as based material. A lot of combination and mixed material were used to increase thermal properties of TIM. Combination between materials for examples carbon nanotubes (CNT) and epoxy had had been used before but the significant of the studied are not exactly like predicted. In this studied, thermal interface material using graphene and CNT as main material were used to increase thermal conductivity and thermal contact resistance. These two types of TIM had been compare to each other in order to find wich material were able to increase the thermal conductivity better. The sample that contain 20 wt. %, 40 wt. % and 60 wt. % of graphene and CNT were used in this studied. The thermal conductivity of thermal interface material is both measured and it was found that TIM made of graphene had better thermal conductivity than CNT. The highest thermal conductivity is 23.2 W/ (mK) with 60 w. % graphene meanwhile at 60 w. % of CNT only produce 12.2 W/ (mK thermal conductivity).

A Numerical Study of Transport in a Thermal Interface Material Enhanced With Carbon Nanotubes

2005 ◽  
Vol 128 (1) ◽  
pp. 92-97 ◽  
Author(s):  
Anand Desai ◽  
Sanket Mahajan ◽  
Ganesh Subbarayan ◽  
Wayne Jones ◽  
James Geer ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Carbon Nanotubes ◽  
High Performance ◽  
Numerical Study ◽  
Temperature Drop ◽  
Thermal Interface Material ◽  
Thermal Interface ◽  
The Impact ◽  
Interface Materials

Power dissipation in electronic devices is projected to increase over the next 10years to the range of 150-250W per chip for high performance applications. One of the primary obstacles to the thermal management of devices operating at such high powers is the thermal resistance between the device and the heat spreader or heat sink that it is attached to. Typically the in situ thermal conductivity of interface materials is in the range of 1-4W∕mK, even though the bulk thermal conductivity of the material may be significantly higher. In an attempt to improve the effective in situ thermal conductivity of interface materials nanoparticles and nanotubes are being considered as a possible addition to such interfaces. This paper presents the results of a numerical study of transport in a thermal interface material that is enhanced with carbon nanotubes. The results from the numerical solution are in excellent agreement with an analytical model (Desai, A., Geer, J., and Sammakia, B., “Models of Steady Heat Conduction in Multiple Cylindrical Domains,” J. Electron. Packaging (to be published)) of the same geometry. Wide ranges of parametric studies were conducted to examine the effects of the thermal conductivity of the different materials, the geometry, and the size of the nanotubes. An estimate of the effective thermal conductivity of the carbon nanotubes was used, obtained from a molecular dynamics analysis (Mahajan, S., Subbarayan, G., Sammakia, B. G., and Jones, W., 2003, Proceedings of the 2003 ASME International Mechanical Engineering Congress and Exposition, Washington, D.C., Nov. 15–21). The numerical analysis was used to estimate the impact of imperfections in the nanotubes upon the overall system performance. Overall the nanotubes are found to significantly improve the thermal performance of the thermal interface material. The results show that varying the diameter of the nanotube and the percentage of area occupied by the nanotubes does not have any significant effect on the total temperature drop.

Development of Carbon Nanotube - Reinforced Silk and Cannabis Fibers by an Electrophoretic Deposition Method

2011 ◽  
Vol 695 ◽  
pp. 377-380
Author(s):  
Somjate Veingnon ◽  
Yaowamarn Chuminjak ◽  
Tewasin Kumpika ◽  
Pisith Singjai
Keyword(s):  
Mechanical Properties ◽  
Carbon Nanotubes ◽  
Electrophoretic Deposition ◽  
Cannabis Sativa ◽  
Natural Fibers ◽  
Break Point ◽  
Deposition Method ◽  
Hemp Fibers ◽  
Carboxylic Acid Groups ◽  
Mixed Acids

Carbon nanotubes (CNTs) were deposited by electrophoretic deposition (EPD) onBombyx mori(silk) andCannabis sativa L. var.sativa (hemp) fibers to improve their mechanical properties. The CNTs were functionalized in mixed acids in order to introduce carboxylic acid groups on their surfaces. The tensile strength and strain at break point of both the modified fibers were approximately two times higher than those of the virgin natural fibers. The addition of small amounts of Mg(NO3)2.6H2O, (CH3COO)2Ni.4H2O significantly improved the deposition of the functionalized CNTs on the hemp fibers.

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