High-strength copper-titanium alloy and preparation method thereof
A copper-titanium alloy, high-strength technology, applied in the field of high-strength copper-titanium alloy and its preparation, can solve the problem that the aging process has no obvious influence, achieve the effect of improving casting and processing performance, and improving the effect of solid solution strengthening
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Embodiment 1
[0021] A high-strength copper-titanium alloy, consisting of copper, titanium and a third alloying element, wherein the mass percentage content of titanium is 3.0%, the third alloying element is Al, the mass percentage content is 1.5%, and copper is the balance; preparation The method steps are as follows:
[0022] 1) First put Cu into the vacuum induction furnace for smelting. The melting temperature is 1250°C. After melting, add titanium and stir well. Obtain copper-titanium alloy ingot;
[0023] 2) Milling the above-mentioned copper-titanium alloy ingot to remove surface casting defects;
[0024] 3) Hot rolling the copper-titanium alloy ingot after face milling, the heating temperature is 950°C, the holding time is 1h, the processing rate is 70%, and the copper-titanium alloy plate is obtained;
[0025] 4) The above-mentioned copper-titanium alloy plate is subjected to solution treatment at a temperature of 880°C, the holding time is 2h, and the cooling method is water coo...
Embodiment 2
[0029] A high-strength copper-titanium alloy consisting of copper, titanium and a third alloying element, wherein the mass percentage content of titanium is 4.0%, the third alloying element is Sn, Al, the mass percentage content of Sn is 0.5%, and the mass percentage content of Al is The percentage content is 1.0%, and copper is the balance; the preparation method steps are as follows:
[0030] 1) First put Cu into the vacuum induction furnace for smelting, the melting temperature is 1250°C, add titanium after melting, stir well, press Al into the melt with a bell jar before taking out the furnace, add Sn after full stirring, and cast after standing for 10 minutes , the casting temperature is 1200°C to obtain a copper-titanium alloy ingot;
[0031] 2) Milling the above-mentioned copper-titanium alloy ingot to remove surface casting defects;
[0032] 3) Hot rolling the copper-titanium alloy ingot after face milling, the heating temperature is 900°C, the holding time is 1h, the...
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