W and V alloying beta phase solidifying high Nb-TiAl alloy and preparation method thereof
A technology of alloying and alloying, applied in the field of alloys, to achieve the effect of simple process and easy operation of the process
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Embodiment 1
[0024] The preparation of W and V alloyed β-phase solidified high Nb-TiAl alloys in this embodiment is realized through the following steps: 1. Weigh the following raw materials: titanium sponge, high-purity aluminum, aluminum-niobium master alloy, aluminum-tungsten-niobium master alloy and aluminum Vanadium master alloy, wherein Ti46.1at.%, Al45at.%, Nb8at.%, W0.4at.%, V0.5at.%; 2. The raw materials weighed in step 1 are carried out into briquettes by a metal briquetting machine, When briquetting, place the sponge titanium on the inner edge of the mold, and then the bottom of the area surrounded by the sponge titanium is the high-purity aluminum layer, the aluminum-niobium master alloy layer, the aluminum-vanadium master alloy layer, the aluminum-tungsten-niobium master alloy layer, and the layers from bottom to top. Intermediate alloy layer and sponge titanium layer; 3. Put the briquette obtained in step 2 into a water-cooled copper crucible vacuum induction suspension meltin...
Embodiment 2
[0027] The preparation of W and V alloyed β-phase solidified high Nb-TiAl alloys in this embodiment is realized through the following steps: 1. Weigh the following raw materials: titanium sponge, high-purity aluminum, aluminum-niobium master alloy, aluminum-tungsten-niobium master alloy and aluminum Vanadium master alloy, wherein Ti48.8at.%, Al43at.%, Nb8at.%, W0.1at.%, V0.1at%; 2. The raw materials weighed in step 1 are carried out into briquettes by a metal briquetting machine, and pressed When the block is first placed on the inner edge of the mould, the sponge titanium is placed on the inner edge of the mold, and then the bottom of the area surrounded by the sponge titanium is a high-purity aluminum layer, an aluminum-niobium intermediate alloy layer, an aluminum-vanadium intermediate alloy layer, and an aluminum-tungsten-niobium intermediate layer. Alloy layer and titanium sponge layer; 3. Put the briquette obtained in step 2 into a water-cooled copper crucible vacuum indu...
Embodiment 3
[0030] The preparation of W and V alloyed β-phase solidified high Nb-TiAl alloys in this embodiment is realized through the following steps: 1. Weigh the following raw materials: titanium sponge, high-purity aluminum, aluminum-niobium master alloy, aluminum-tungsten-niobium master alloy and aluminum Vanadium master alloy, wherein Ti47.3at.%, Al44at.%, Nb8at.%, W0.2at.%, V0.5at%; 2. The raw materials weighed in step 1 are carried out into briquettes by a metal briquetting machine, and pressed When the block is first placed on the inner edge of the mould, the sponge titanium is placed on the inner edge of the mold, and then the bottom of the area surrounded by the sponge titanium is a high-purity aluminum layer, an aluminum-niobium master alloy layer, an aluminum-vanadium master alloy layer, and an aluminum-tungsten-niobium intermediate layer. Alloy layer and sponge titanium layer; 3. Put the briquette obtained in step 2 into a water-cooled copper crucible vacuum induction suspen...
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