Load transfer strengthening in carbon nanotubes reinforced metal matrix composites via in-situ tensile tests

2015 ◽  
Vol 113 ◽  
pp. 1-8 ◽  
Author(s):  
Biao Chen ◽  
Shufeng Li ◽  
Hisashi Imai ◽  
Lei Jia ◽  
Junko Umeda ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Metal Matrix Composites ◽  
Metal Matrix ◽  
Load Transfer ◽  
Tensile Tests ◽  
Matrix Composites

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.

Interfaces in as-extrudedXDAl/TiC and Al/TiB2metal matrix composites

1993 ◽  
Vol 8 (9) ◽  
pp. 2380-2392 ◽  
Author(s):  
R. Mitra ◽  
W.A. Chiou ◽  
M.E. Fine ◽  
J.R. Weertman
Keyword(s):  
Metal Matrix Composites ◽  
Interfacial Energy ◽  
Metal Matrix ◽  
Direct Contact ◽  
Load Transfer ◽  
Atomic Scale ◽  
General Tendency ◽  
Matrix Composites ◽  
Chemical Bonds

A detailed study was conducted of the microstructure and particle-matrix interfaces in Al/TiCpmetal matrix composites prepared by theXDprocess and subsequent extrusion. A study of the morphology of the TiC particles showed that the surfaces are low index (111) and (200) planes, the former being more common. Direct contact on an atomic scale is established between Al and TiC, allowing chemical bonds to form. Young's modulus is in the range expected for a composite of Al and TiC with good interfacial bonding and load transfer to the particles. No third element has been detected at the interfaces, showing that they are clean. Both incoherent and semicoherent interfaces are seen. The interface character depends on the size of the particles and their orientation with respect to the neighboring Al grains. “Special” interfaces with evidence for nearly periodic dislocations were observed in bothXDAl/TiC and Al/TiB2composites, indicating the general tendency ofin situcomposites to lower their interfacial energy by forming such boundaries.

Effect of TiB2 particle addition on the mechanical properties of Al/TiB2 in situ formed metal matrix composites

2018 ◽  
Vol 60 (12) ◽  
pp. 1221-1224 ◽  
Author(s):  
Balachandran Gobalakrishnan ◽  
P. Ramadoss Lakshminarayanan ◽  
Raju Varahamoorthi
Keyword(s):  
Mechanical Properties ◽  
Metal Matrix Composites ◽  
Metal Matrix ◽  
Tib2 Particle ◽  
Matrix Composites ◽  
Particle Addition

Wear testing of in situ cast AA8011-TiB2 metal matrix composites

2019 ◽  
Vol 61 (8) ◽  
pp. 779-786
Author(s):  
Bellamballi Munivenkatappan Muthami Selvan ◽  
Veeramani Anandakrishnan ◽  
Muthukannan Duraiselvam ◽  
Sivaraj Sundarameenakshi
Keyword(s):  
Metal Matrix Composites ◽  
Metal Matrix ◽  
Wear Testing ◽  
Matrix Composites

Influence of hot rolling on microstructure and mechanical behaviour of Al6061-ZrB2 in-situ metal matrix composites

2018 ◽  
Vol 738 ◽  
pp. 344-352 ◽  
Author(s):  
R. Vasanth Kumar ◽  
R. Keshavamurthy ◽  
Chandra S. Perugu ◽  
Praveennath G. Koppad ◽  
Mohammad Alipour
Keyword(s):  
Metal Matrix Composites ◽  
Mechanical Behaviour ◽  
Hot Rolling ◽  
Metal Matrix ◽  
Matrix Composites
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