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Improvement of interface and mechanical properties in carbon nanotube reinforced Cu–Cr matrix composites
Highlights ► Cr is used to improve the interfacial bonding of CNT/Cu composites. ► The addition of Cr greatly enhances the interfacial bonding of CNT/Cu composites. ► The addition of Cr greatly enhances the strength of CNT/Cu composites.
Abstract An effective approach is utilized to establish a strong interface between the carbon nanotube (CNT) and the Cu matrix by introducing the matrix-alloying chromium (Cr) element. The interface microstructure and mechanical properties of the composites are characterized by high-resolution transmission electron microscopy (HRTEM), hardness and tensile tests, respectively. Compared to CNT/Cu composites, CNT/CNT–Cr composites show evenly improved interfacial bonding and enhanced mechanical properties, which is ascribed to the formation of thin intermediate Cr3C2 transition layer between CNTs and Cu–Cr matrix.
Improvement of interface and mechanical properties in carbon nanotube reinforced Cu–Cr matrix composites
Highlights ► Cr is used to improve the interfacial bonding of CNT/Cu composites. ► The addition of Cr greatly enhances the interfacial bonding of CNT/Cu composites. ► The addition of Cr greatly enhances the strength of CNT/Cu composites.
Abstract An effective approach is utilized to establish a strong interface between the carbon nanotube (CNT) and the Cu matrix by introducing the matrix-alloying chromium (Cr) element. The interface microstructure and mechanical properties of the composites are characterized by high-resolution transmission electron microscopy (HRTEM), hardness and tensile tests, respectively. Compared to CNT/Cu composites, CNT/CNT–Cr composites show evenly improved interfacial bonding and enhanced mechanical properties, which is ascribed to the formation of thin intermediate Cr3C2 transition layer between CNTs and Cu–Cr matrix.
Improvement of interface and mechanical properties in carbon nanotube reinforced Cu–Cr matrix composites
Chu, Ke (author) / Jia, Cheng-chang (author) / Jiang, Li-kun (author) / Li, Wen-sheng (author)
2012-09-14
5 pages
Article (Journal)
Electronic Resource
English
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