Zr-Sn-Nb-Hf alloy bar and manufacture method thereof
A zr-sn-nb-hf, alloy bar technology, applied in the field of alloy materials, can solve the problems of reducing the corrosion resistance of alloys, adverse effects of material properties, reducing material plasticity, etc., and achieves good room temperature plasticity, excellent room temperature and high temperature. Strength, the effect of improving plasticity
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Embodiment 1
[0028] The Zr-Sn-Nb-Hf alloy bar in this embodiment is made of the following raw materials in mass percentage: Sn 1.0%, Nb 0.3%, Hf 1.2%, and the balance is Zr and unavoidable impurities.
[0029] The preparation method of the present embodiment Zr-Sn-Nb-Hf alloy bar comprises the following steps:
[0030] Step 1. Put high-purity Sn, high-purity Nb and high-purity Hf into a non-consumable vacuum electric arc furnace; first evacuate to less than 1×10 -2 Pa, then filled with argon, under the protection of argon, smelted three times at a melting temperature of 2700 ° C to obtain a Sn-Nb-Hf master alloy with uniform composition; the high-purity Sn, high-purity Nb and high-purity Hf The mass purity of all products is not less than 99%;
[0031] Step 2. Mechanically crush the Sn-Nb-Hf master alloy described in step 1, then mix the crushed Sn-Nb-Hf master alloy with the sponge Zr and press it to form an electrode; the mass of the sponge Zr Purity not less than 99%;
[0032] Step 3...
Embodiment 2
[0038] The Zr-Sn-Nb-Hf alloy bar in this embodiment is made of the following raw materials in mass percentage: Sn 1.0%, Nb 0.3%, Hf 1.2%, and the balance is Zr and unavoidable impurities.
[0039] The preparation method of the present embodiment Zr-Sn-Nb-Hf alloy bar comprises the following steps:
[0040] Step 1. Put high-purity Sn, high-purity Nb and high-purity Hf into a non-consumable vacuum electric arc furnace; first evacuate to less than 1×10 -2 Pa, then filled with argon, under the protection of argon, smelted once at a melting temperature of 2600 ° C to obtain a Sn-Nb-Hf master alloy; the mass purity of the high-purity Sn, high-purity Nb and high-purity Hf None less than 99%;
[0041] Step 2. Mechanically crush the Sn-Nb-Hf master alloy described in step 1, then mix the crushed Sn-Nb-Hf master alloy with the sponge Zr and press it to form an electrode; the mass of the sponge Zr Purity not less than 99%;
[0042] Step 3. Place the electrode described in step 2 in a ...
Embodiment 3
[0047] The Zr-Sn-Nb-Hf alloy bar in this embodiment is made of the following raw materials in mass percentage: Sn 1.0%, Nb 0.3%, Hf 1.2%, and the balance is Zr and unavoidable impurities.
[0048] The preparation method of the present embodiment Zr-Sn-Nb-Hf alloy bar comprises the following steps:
[0049] Step 1. Put high-purity Sn, high-purity Nb and high-purity Hf into a non-consumable vacuum electric arc furnace; first evacuate to less than 1×10 -2 Pa, then filled with argon, and under the protection of argon, repeated smelting at a melting temperature of 2800 ° C for 3 times to obtain a Sn-Nb-Hf master alloy with uniform composition; the high-purity Sn, high-purity Nb and high-purity The mass purity of Hf is not less than 99%;
[0050] Step 2. Mechanically crush the Sn-Nb-Hf master alloy described in step 1, then mix the crushed Sn-Nb-Hf master alloy with the sponge Zr and press it to form an electrode; the mass of the sponge Zr Purity not less than 99%;
[0051] Step ...
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