Titanium alloy plate

A titanium alloy and plate technology, applied in the formulation field of titanium alloy plates, can solve the problems of high processing cost, reduced creep resistance, increased probability of brittle phase precipitation, etc., and achieves good thermal stability and high temperature creep resistance. , Improve the effect of high temperature creep resistance and batch stability improvement

Inactive Publication Date: 2018-03-09
TIANGONG AIHE SPECIAL STEEL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional titanium alloy plate is smelted through titanium alloy ingot casting, the billet is forged into a slab, and the slab is rolled into a titanium alloy plate through a hot rolling mill. The production process is complicated and the cycle is long.
Moreover, the thermal stability of current high-temperature titanium alloy plates is often not ideal, and the creep resistance performance of titanium alloy plates is significantly reduced during use i

Method used

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  • Titanium alloy plate
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Examples

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Embodiment 1

[0013] Example 1: Ni 0.15%, Al 6%, Zn 0.5%, Nb 0.4%, V 0.9%, Mo 0.4%, Bi 0.07%, Mg 0.4%, Si 0.8%, Sn 0.02%, Co 0.06%, Cr 0.06%, Ta 0.03%, Ca 0.07%, Y0.05%, Mn 0.8%, Pb 0.28%, Zr 0.05%, Te 0.05%, Fe 0.06%, Cu0.15%, W 0.3%, the balance is titanium and Unavoidable non-metallic inclusions.

Embodiment 2

[0014] Example 2: Ni 0.20%, Al 7%, Zn 0.65%, Nb 0.6%, V 0.11%, Mo 0.5%, Bi0.09%, Mg 0.5%, Si 0.9%, Sn 0.03%, Co 0.07%, Cr 0.07%, Ta 0.04%, Ca0.08%, Y 0.06%, Mn 0.9%, Pb 0.30%, Zr 0.06%, Te 0.07%, Fe 0.07%, Cu0.2%, W0.38%, the balance is titanium and unavoidable non-metallic inclusions.

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Abstract

The invention discloses a titanium alloy plate, relating to the technical field of formulas for the titanium alloy plate. The titanium alloy plate is prepared from the following ingredients in percentage by mass: 0.16% of Ni, 6% of Al, 0.6% of Zn, 0.5% of Nb, 0.100% of V, 0.45% of Mo, 0.08% of Bi, 0.45% of Mg, 0.85% of Si, 0.02% of Sn, 0.06% of Co, 0.06% of Cr, 0.03% of Ta, 0.07% of Ca, 0.05% of Y, 0.8% of Mn, 0.30% of Pb, 0.06% of Zr, 0.06% of Te, 0.06% of Fe, 0.15% of Cu, 0.35% of W and the balance of titanium and non-metallic inclusion. In the formula, a proper amount of elements such as silicon, iron, aluminum and magnesium are added, the high-temperature creep resistance of alloy is improved, and the stability of plate performance is improved.

Description

technical field [0001] The invention relates to a titanium alloy plate, which belongs to the technical field of formulation of titanium alloy plates. Background technique [0002] Titanium alloy has excellent characteristics such as low density, high specific strength, good corrosion resistance and high heat resistance, and has become an important structural material for applications in aviation, aerospace, ships and other fields. In recent years, with the widespread application of damage tolerance criteria in the design of structural materials, the development of damage-tolerant titanium alloys has become the focus of research in various countries. A number of damage-tolerant titanium alloys with high fracture toughness and fatigue crack growth resistance have been developed at home and abroad, such as Ti-6Al-4V ELI and Ti-62222S in the United States and TC2l and TC4-DT independently developed in China. etc., and have been successfully applied in aircraft structures, such ...

Claims

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Application Information

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IPC IPC(8): C22C14/00
CPCC22C14/00
Inventor 朱小坤吴建忠朱旺龙
Owner TIANGONG AIHE SPECIAL STEEL
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