Ni3Ti-reinforced Cu alloys with high strength
Source abstract
Abstract
In situ Cu-Ni3Ti composites with near-eutectic compositions of Cu96Ni3Ti1 and Cu92Ni6Ti2 were prepared by casting. Microstructure analysis showed that multi-scale Ni3Ti particles are present in the alloys. Thin wires with about 98.8% areal reduction were acquired by cold drawing the alloys. Tension tests of the wires revealed that the Cu92Ni6Ti2 alloy exhibited superior mechanical properties, which we attribute to the presence of the multi-scale Ni3Ti particles. Annealing strengthening was also found in the Cu92Ni6Ti2 alloy wires. Annealing twins, which prevent the alloys from recrystallisation softening, were found in samples annealed at 550°C. Both alloys have high electrical conductivity.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Aluminum Alloys Composites Properties · Advanced Welding Techniques Analysis · Microstructure and mechanical properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Materials Science and Engineering, Anhui University of Technology, Maanshan, People’s Republic of China
Funding
National Natural Science Foundation of China
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