Cu-Cr-Ag alloy crystallizer copper plate and preparation process thereof
A crystallizer copper plate, cu-cr-ag technology, applied in the field of continuous casting equipment components, can solve problems such as difficult to meet high casting speed mold, low recrystallization temperature, high temperature creep of copper plate, etc., to solve the problem of thermal cracking, The effect of improving performance and enhancing the high temperature creep resistance of the material
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Embodiment 1
[0042] A kind of preparation technology of Cu-Cr-Ag alloy crystallizer copper plate, it comprises the steps:
[0043] a. Obtain the cast slab of Cu-Cr-Ag alloy through vacuum smelting and vacuum casting, and its alloy formula and process are as follows:
[0044] Metal chromium mass percent: 0.2%, metallic silver mass percent: 0.14%, deoxidizer metallic magnesium mass percent: 0.04%, metallic copper mass percent: 99.62%,
[0045] Refining vacuum degree: ≤30Pa, refractory funnel aperture: 36mm, refining temperature: 1380°C, vacuum degree after filling with argon: -0.08MPa, pouring temperature: 1260°C;
[0046] b. After determining the forging deformation direction, the Cu-Cr-Ag alloy billet is hot forged, and the process is as follows:
[0047] Hot forging heating time: 3h, initial forging temperature: 910°C, forging deformation: 28mm, final forging temperature: 630°C;
[0048] c. The Cu-Cr-Ag alloy plate after hot forging is subjected to solid solution treatment, and the pr...
Embodiment 2
[0056] A kind of preparation technology of Cu-Cr-Ag alloy crystallizer copper plate, it comprises the steps:
[0057] a. Obtain the cast slab of Cu-Cr-Ag alloy through vacuum smelting and vacuum casting, and its alloy formula and process are as follows:
[0058] Metal chromium mass percent: 0.1%, metallic silver mass percent: 0.14%, deoxidizer metallic magnesium mass percent: 0.04%, metallic copper mass percent: 99.72%,
[0059] Refining vacuum degree: ≤30Pa, refractory funnel aperture: 36mm, refining temperature: 1380°C, vacuum degree after filling with argon: -0.08MPa, pouring temperature: 1260°C;
[0060] b. After determining the forging deformation direction, the Cu-Cr-Ag alloy billet is hot forged, and the process is as follows:
[0061] Hot forging heating time: 3h, initial forging temperature: 910°C, forging deformation: 28mm, final forging temperature: 630°C;
[0062] c. The Cu-Cr-Ag alloy plate after hot forging is subjected to solid solution treatment, and the pr...
Embodiment 3
[0070] A kind of preparation technology of Cu-Cr-Ag alloy crystallizer copper plate, it comprises the steps:
[0071] a. Obtain the cast slab of Cu-Cr-Ag alloy through vacuum smelting and vacuum casting, and its alloy formula and process are as follows:
[0072] Metal chromium mass percent: 0.2%, metallic silver mass percent: 0.8%, deoxidizer metallic magnesium mass percent: 0.04%, metallic copper mass percent: 99.68%,
[0073] Refining vacuum degree: ≤30Pa, refractory funnel aperture: 36mm, refining temperature: 1380°C, vacuum degree after filling with argon: -0.08MPa, pouring temperature: 1260°C;
[0074] b. After determining the forging deformation direction, the Cu-Cr-Ag alloy billet is hot forged, and the process is as follows:
[0075] Hot forging heating time: 3h, initial forging temperature: 910°C, forging deformation: 28mm, final forging temperature: 630°C;
[0076] c. The Cu-Cr-Ag alloy plate after hot forging is subjected to solid solution treatment, and the pro...
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