Metal matrix composites reinforced with carbon nanotubes by an alternative technique

2017 ◽  
Vol 707 ◽  
pp. 257-263 ◽  
Author(s):  
Cesar A. Isaza Merino ◽  
J.E. Ledezma Sillas ◽  
J.M. Meza ◽  
J.M. Herrera Ramirez
Keyword(s):  
Carbon Nanotubes ◽  
Metal Matrix Composites ◽  
Metal Matrix ◽  
Matrix Composites ◽  
Alternative Technique

Improving the strengthening efficiency of carbon nanotubes in titanium metal matrix composites

2017 ◽  
Vol 696 ◽  
pp. 10-25 ◽  
Author(s):  
Khurram S. Munir ◽  
Yifeng Zheng ◽  
Deliang Zhang ◽  
Jixing Lin ◽  
Yuncang Li ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Metal Matrix Composites ◽  
Metal Matrix ◽  
Matrix Composites ◽  
Titanium Metal

scholarly journals Structural Characterization and Dielectric Properties of the Effect of Carbon Nanotubes and Silicon on AA2024 Metal Matrix Composites

2021 ◽  
Author(s):  
Muniyappan Mani ◽  
Iyandurai Natesan
Keyword(s):  
Carbon Nanotubes ◽  
Dielectric Properties ◽  
Metal Matrix Composites ◽  
Structural Characterization ◽  
Metal Matrix ◽  
Research Work ◽  
Dissipation Factor ◽  
Stir Casting ◽  
Matrix Composites ◽  
Aa 2024

Abstract This research work focus on the formation of AA2024-carbon nanotubes-silicon hybrid metal matrixcomposites. Structure morphology, structural characterization, elemental identification and dielectric properties of AA 2024 in the presence of carbon nanotubes, silicon andits combinations at various proportions was evaluated using SEM, XRD, EDX and Hioki 3532-50 LCR Hi-Tester. A two-stage stir casting method was used for the fabrication of AA2024 hybrid metal matrix composites. It was observed that the size of the AA 2024 + 4% CNT + 2% Si composite wasfound to be 23.6 nm, this shows enhanced results than other composites prepared. Dielectric properties of composites were characterized as a function of composition and frequency. It was found that the dielectric constant, dielectric loss and dissipation factor decreases smoothly with an increase of reinforcements and also frequency.

scholarly journals Strengthening Mechanisms in Carbon Nanotubes Reinforced Metal Matrix Composites: A Review

Metals ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 1613
Author(s):  
Íris Carneiro ◽  
Sónia Simões
Keyword(s):  
Mechanical Properties ◽  
Carbon Nanotubes ◽  
Metal Matrix Composites ◽  
Metal Matrix ◽  
Load Transfer ◽  
Second Phase ◽  
Matrix Composites ◽  
Strengthening Mechanisms ◽  
Metal Matrix Nanocomposites ◽  
Main Challenge

Carbon nanotubes (CNTs)-reinforced metal matrix composites are very attractive advanced nanocomposites due to their potential unusual combination of excellent properties. These nanocomposites can be produced by several techniques, the most reported being powder metallurgy, electrochemical routes, and stir or ultrasonic casting. However, the final mechanical properties are often lower than expected. This can be attributed to a lack of understanding concerning the strengthening mechanisms that act to improve the mechanical properties of the metal matrix via the presence of the CNTs. The dispersion of the CNTs is the main challenge in the production of the nanocomposites, and is independent of the production technique used. This review describes the strengthening mechanism that act in CNT-reinforced metal matrix nanocomposites, such as the load transfer, grain refinement or texture strengthening, second phase, and strain hardening. However, other mechanisms can occur, such as solid solution strengthening, and these depend on the metal matrix used to produce the nanocomposites. Different metallic matrices and different production techniques are described to evaluate their influence on the reinforcement of these nanocomposites.

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