A kind of preparation method of iron-containing zirconium alloy ingot
A zirconium alloy and ingot technology is applied in the field of preparation of iron-containing zirconium alloy ingots, which can solve the problems of increasing control difficulty and poor uniformity, and achieve the effects of stable product quality, uniform distribution and good economy.
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[0032] A preparation method of an iron-containing zirconium alloy ingot, comprising the following steps:
[0033] Step 1. Select sponge zirconium and pure iron filings / particles. The weight of pure iron filings / particles accounts for 10% to 20% of the total weight. mm, according to the required weight of each electrode block, divide the sponge zirconium and iron filings into several equal parts, and each equal part is used to press an electrode block: first divide each equal part of the sponge zirconium into half and add it to the press In the mold cavity, the iron filings are evenly sprinkled on the sponge zirconium in the mold cavity, and then the other half of the sponge zirconium is added, and finally pressed on a 50MN press, wherein the electrode block is a rod-shaped electrode;
[0034] In step 2, a plurality of electrode blocks are welded into a consumable electrode in a vacuum plasma welding box, the welding current is 400A-450A, and the welding is cooled to room tempe...
Embodiment 1
[0045] Step 1, select zirconium sponge and the prepared pure iron filings (brand YT-1), according to Fe element content and feeding amount in zirconium sponge, calculate the weight of zirconium sponge and iron filings required, and the weight of Fe accounts for the total in the present embodiment. The feeding ratio is 10%, the total feeding is 500kg, the size of iron filings: length × width × thickness: 3mm × 2mm × 0.2mm;
[0046] Step 2: Prepare the prepared zirconium sponge and iron filings into electrodes; the electrode preparation process includes the following steps:
[0047] Electrode pressing: Press the weighed zirconium sponge and iron filings together into 20 electrode blocks with a weight of 25kg / block. Then add the weighed iron filings and evenly sprinkle it on the sponge zirconium in the mold cavity, then add the other half of the sponge zirconium, and finally press it;
[0048] Electrode welding: 20 electrode blocks are welded into 4 electrodes in a vacuum plasma...
Embodiment 2
[0060] Step 1, select zirconium sponge and the prepared pure iron filings (brand YT-1), according to Fe element content and feeding amount in zirconium sponge, calculate the weight of zirconium sponge and iron filings required, and the weight of Fe accounts for the total in the present embodiment. The feeding ratio is 15%, the total feeding is 660kg, the size of iron filings: length × width × thickness: 5mm × 3mm × 0.2mm;
[0061] Step 2: Prepare the prepared zirconium sponge and iron filings into electrodes; the electrode preparation process includes the following steps:
[0062] Electrode pressing: Press the weighed zirconium sponge and iron filings together into 22 electrode blocks with a weight of 30kg / block, with a specification of Φ160mm×300mm. When pressing, first divide the weighed zirconium sponge into half into the die cavity of the press. Then add the weighed iron filings and evenly sprinkle it on the sponge zirconium in the mold cavity, then add the other half of t...
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