WSTi1400 ultrahigh-strength titanium alloy and preparing method thereof
An ultra-high-strength, titanium alloy technology, applied in the field of titanium alloy processing, can solve the problems of low alloy phase transition point, difficult control of deformation uniformity in forging process, and large deformation resistance
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Examples
Embodiment 1
[0041] The invention provides a WSTi1400 ultra-high-strength titanium alloy, which is composed of the following elements according to the weight percentage: Cr: 5.6%-7.5%, Mo: 4.8%-6.5%, V: 4.6%-5.3%, Al: 3.8%- 4.5%, Nb: 0.8%~1.3%, Fe≤0.8%, O≤0.30%, the balance is Ti and unavoidable impurities, the total amount of impurity elements is not more than 0.20%, and the sum of the weight percentages of the above components is 100% .
[0042] Further, Cr, Mo, V, Al, Nb, and Fe elements are derived from binary and multi-element master alloys, and the multi-element master alloy is AlMoVCr quaternary alloy, Nb is added in the form of Nb47Ti, Mo is added in the form of AlMo alloy, and V is added in the form of AlV It is added in the form of alloy, and Ti adopts 0.83-12.7mm particle sponge titanium.
[0043] The preparation method of the above-mentioned WSTi1400 ultra-high-strength titanium alloy specifically includes the following steps:
[0044] Step 1), prepare electrode:
[0045] Ac...
Embodiment 2
[0058] The present invention also provides a preparation method of WSTi1400 ultra-high-strength titanium alloy, which specifically includes the following steps:
[0059] Step 1), according to the weight percentage of each element is: Cr5.8%, Mo5.5%, V5.0%, Al4.0%, Nb1.0%, Fe0.5%, O≤0.30%, the balance is Ti and unavoidable impurities, the total amount of impurity elements does not exceed 0.20%, and the sum of the weight percentages of the above components is 100%, respectively weigh AlMoVCr quaternary alloy, Nb47Ti, AlMo, AlV and small particle sponges with a particle size of 0.83-12.7mm Titanium is mixed with a single electrode, and the mixed raw materials are poured into the cavity of a large hydraulic press and pressed into a dense electrode block with a pressing force of 20MPa and a holding time of 4s;
[0060] Step 2), use a clamp to clamp the electrode block, and use a non-tungsten argon shielded plasma box to weld the pressed electrode block into a self-consumable electr...
Embodiment 3
[0066] The present invention also provides a preparation method of WSTi1400 ultra-high strength titanium alloy, comprising:
[0067] Step 1), according to the weight percentage of each element: Cr6.5%, Mo5.0%, V5.0%, Al4.2%, Nb1.0%, Fe0.2%, O≤0.30%, the balance is Ti and unavoidable impurities, the total amount of impurity elements does not exceed 0.20%, and the sum of the weight percentages of the above components is 100%, respectively weigh AlMoVCr quaternary alloy, Nb47Ti, AlMo, AlV and small particle sponges with a particle size of 0.83-12.7mm Titanium is mixed with a single electrode, and the mixed raw materials are poured into the cavity of a large hydraulic press and pressed into a dense electrode block with a pressing force of 20MPa and a holding time of 4s;
[0068] Step 2), clamp the electrode block obtained in step 1) with a clamp, and use a non-tungsten argon shielded plasma box to weld the pressed electrode block into a self-consumable electrode. The welding curre...
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Abstract
Description
Claims
Application Information
- IPC
- C22C14/00; C22C1/03; C22F1/18
- CPC
- C22C1/03; C22C14/00; C22F1/183
- Inventors
- 崔林林; 李少强