Method for refining separated or dispersion-strengthening type block copper alloy crystal particles
A technology of dispersion strengthening and copper alloy, which is applied in the field of bulk ultra-fine-grained high-strength and high-conductivity copper alloy, fine precipitation or dispersion-strengthened bulk copper alloy grains, which can solve the problems of reduced ductility, difficulty in large-scale production, and limitations and other problems, to achieve the effect of convenient operation, simple equipment requirements, saving mold and thermal processing costs
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Embodiment 1
[0029] Cut the high-strength and high-conductivity beryllium-bronze alloy hot-rolled plate into rectangular blocks, place it in the furnace, heat it to 800°C for 60 minutes, then water quench and cool it, then place the sample on the lower flat anvil of the hydraulic press, and compress it with the X-axis first. The shaft undergoes compression deformation. When the true strain in the X direction reaches 0.2, stop the compression, rotate the sample 90 degrees, take the Y axis as the compression axis, and compress again. When the true strain in the Y direction reaches 0.2, stop the compression and rotate the sample 90 degrees degrees, take the Z axis as the compression axis, and compress again. When the true strain in the Z direction reaches 0.2, the compression is stopped, the sample is rotated 90 degrees, and then the X axis is used as the compression axis, and the compression in the X→Y→Z→X direction is repeated. Anneal at 800°C when the true strain in each direction reaches...
Embodiment 2
[0031] Place the high-strength and high-conductivity beryllium-bronze alloy rectangular hot forging block in the furnace, heat it to 820°C for 40 minutes, then water quench and cool it, then place the sample on the lower flat anvil of the hydraulic press, and first perform compression deformation with the X-axis as the compression axis . When the true strain in the X direction reaches 0.3, the compression is stopped, and the sample is rotated 90 degrees, with the Y axis as the compression axis, and compressed again. When the true strain in the Y direction reaches 0.3, the compression is stopped, and the sample is rotated 90 degrees, with the Z axis as the compression axis, and compressed again. When the true strain in the Z direction reaches 0.3, the compression is stopped, the sample is rotated 90 degrees, and then the X axis is used as the compression axis, and the compression in the X→Y→Z→X direction is repeated. When the cumulative true strain in each direction reaches 2....
Embodiment 3
[0033] Cut the high-strength and high-conductivity beryllium-bronze alloy hot-rolled plate into rectangular blocks, place it in a furnace, heat it to 850°C for 120 minutes, then water quench and cool it, then place the sample on the lower flat anvil of the hydraulic press, and compress it with the X-axis first. The shaft undergoes compression deformation. When the true strain in the X direction reaches 0.4, the compression is stopped, and the sample is rotated 90 degrees, with the Y axis as the compression axis, and compressed again. When the true strain in the Y direction reaches 0.4, the compression is stopped, and the sample is rotated 90 degrees, with the Z axis as the compression axis, and compressed again. When the true strain in the Z direction reaches 0.4, the compression is stopped, the sample is rotated 90 degrees, and the X-axis is used as the compression axis, and the compression in the X→Y→Z→X direction is repeated. When the true strain in each direction accumula...
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