High-strength titanium-aluminum alloy material and preparation method thereof

A titanium-aluminum alloy, high-strength technology, applied in the field of high-strength titanium-aluminum alloy materials and its preparation, can solve the problems of low market share of domestic products, and achieve the effects of high strength, simple preparation process, and low processing cost

Inactive Publication Date: 2016-08-17
王莹
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The high-performance alloys sold in the domestic market are basically imported products, and the market share of domestic products is even less

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A high-strength titanium-aluminum alloy material, made of the following raw materials in parts by weight: 60 parts of titanium powder, 20 parts of aluminum powder, 20 parts of zirconium silicide, 4 parts of flumagnesite powder, 10 parts of silicon nitride, 4 parts of mica powder, 2 parts of trisodium phosphate, 6 parts of germanium dioxide, 6 parts of nano-boron fiber, 4 parts of yttrium oxide, and 12 parts of synthetic wax.

[0016] The steps of the preparation method are as follows: firstly, each raw material is added into a mixer for mixing, then the evenly mixed mixture is added into a press equipment, and pressurized and formed at a pressure of 400-600 MPa, and the pressure is maintained for 10-30 minutes. Then the pressed sample is sintered in the sintering furnace, the preheating temperature is 250-300°C, preheating for 1h, the sintering temperature is 1000-1100°C, the sintering time is 10-30min, and then kept at 250-350°C 10-20min, quenching, and finally heat pr...

Embodiment 2

[0018] A high-strength titanium-aluminum alloy material is made of the following raw materials in parts by weight: 70 parts of titanium powder, 30 parts of aluminum powder, 30 parts of zirconium silicide, 9 parts of flumagnesite powder, 20 parts of silicon nitride, 9 parts of mica powder, 4 parts of trisodium phosphate, 8 parts of germanium dioxide, 8 parts of nano-boron fiber, 8 parts of yttrium oxide, and 16 parts of synthetic wax.

[0019] The steps of the preparation method are as follows: firstly, each raw material is added into a mixer for mixing, then the evenly mixed mixture is added into a press equipment, and pressurized and formed at a pressure of 400-600 MPa, and the pressure is maintained for 10-30 minutes. Then the pressed sample is sintered in the sintering furnace, the preheating temperature is 250-300°C, preheating for 1h, the sintering temperature is 1000-1100°C, the sintering time is 10-30min, and then kept at 250-350°C 10-20min, quenching, and finally heat ...

Embodiment 3

[0021] A high-strength titanium-aluminum alloy material is made of the following raw materials in parts by weight: 65 parts of titanium powder, 25 parts of aluminum powder, 25 parts of zirconium silicide, 6 parts of fluoromagnesite powder, 15 parts of silicon nitride, 7 parts of mica powder, 3 parts of trisodium phosphate, 7 parts of germanium dioxide, 7 parts of nano-boron fiber, 6 parts of yttrium oxide, and 14 parts of synthetic wax.

[0022] The steps of the preparation method are as follows: firstly, each raw material is added into a mixer for mixing, then the evenly mixed mixture is added into a press equipment, and pressurized and formed at a pressure of 400-600 MPa, and the pressure is maintained for 10-30 minutes. Then the pressed sample is sintered in the sintering furnace, the preheating temperature is 250-300°C, preheating for 1h, the sintering temperature is 1000-1100°C, the sintering time is 10-30min, and then kept at 250-350°C 10-20min, quenching, and finally he...

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PUM

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Abstract

The invention discloses a high-strength titanium-aluminum alloy material and a preparation method thereof. The high-strength titanium-aluminum alloy material is made of the following raw materials in parts by weight: 60-70 parts of titanium powder, 20-30 parts of aluminum powder, and 20 parts of zirconium silicide ‑30 parts, 4‑9 parts of flumagnesite powder, 10‑20 parts of silicon nitride, 4‑9 parts of mica powder, 2‑4 parts of trisodium phosphate, 6‑8 parts of germanium dioxide, 6‑8 parts of nano boron fiber , 4-8 parts of yttrium oxide, 12-16 parts of synthetic wax. The high-strength titanium-aluminum alloy material prepared by the method of the present invention has higher strength, hardness, wear resistance and corrosion resistance than similar products on the market, and prolongs the service life of the alloy parts; and the raw materials are easy to obtain, the processing cost is low, and the preparation process Simple, easy to control parameters, safe and environmentally friendly production process, suitable for large-scale industrial production.

Description

technical field [0001] The invention specifically relates to a high-strength titanium-aluminum alloy material and a preparation method thereof. Background technique [0002] Metal materials refer to composite materials that use metal or alloy as the matrix and fibers, whiskers, particles, etc. as reinforcements. Depending on the base metal used, the operating temperature ranges from 350 to 1200°C. In terms of mechanics, it is characterized by high transverse and shear strength, good comprehensive mechanical properties such as toughness and fatigue, and also has thermal conductivity, electrical conductivity, wear resistance, small thermal expansion coefficient, good damping, no moisture absorption, no aging and no pollution. Etc. Metal matrix composites can give full play to the respective advantages of component materials, realize the optimal allocation of material resources for each component, save precious metal materials, and achieve performance requirements that cannot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C30/00C22C32/00C22C1/10C22C1/05C22C47/14C22C49/02C22C49/14C22C101/20
CPCC22C30/00C22C1/05C22C1/10C22C14/00C22C32/0047C22C47/14C22C49/02C22C49/14
Inventor 王莹
Owner 王莹
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