Supervisor:
Southwest Ordnance Industry Bureau
Organizer:
Chongqing Ordnance Industry Society
Chongqing University of Technology
Chongqing University of Technology
Preparation and properties analysis of high performance Copper/aluminum composite materials
| DOI: | 10.11809/bqzbgcxb2024.12.031 |
| Keywords: | explosive welding; conductivity rate; shear strength; tensile strength; stick shaped; 2A12/T2 |
| Abstract: | In order to improve the comprehensive properties and simplify the production process, pure copper (T2) and aluminum alloy (2A12) were used as raw materials, and high performance T2/2A12 rod composites were successfully prepared by explosive compounding. The interface structure, mechanical properties and electrical conductivity of T2/2A12 composites were studied. The results show that the bonding interface of T2/2A12 composite was between flat interface and wavy interface, and a diffusion layer of about 7 μm was formed, which achieved good metallurgical bonding. The results show that the tensile strength of the T2/2A12 composite in the explosive state is 96.5 MPa, the shear strength is 551 MPa, the elongation rate of 17%, and conductivity of 67%. The microhardness distribution from the bonding interface to the matrix is uniform, and the hardness near the interface is slightly higher than that of the matrix due to work hardening. |
| Issue: | Vol. 45 No. 12 (2024) |
| Published: | 2024-12-30 |
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