Method for improving mechanical property of Ti48Zr20Nb12Cu5Be15 by using magnetic field

A technology of ti48zr20nb12cu5be15 and magnetic field is applied in the field of titanium-based amorphous composite materials and its preparation, which can solve the problems of high process parameter control requirements, complicated operation and high additional cost.

Active Publication Date: 2018-02-02
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above-mentioned invention patents all focus on the preparation process of materials, and have high requirements for the control of process parameters in the preparation process, and the operation is relatively complicated, accompanied by high additional costs.

Method used

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  • Method for improving mechanical property of Ti48Zr20Nb12Cu5Be15 by using magnetic field
  • Method for improving mechanical property of Ti48Zr20Nb12Cu5Be15 by using magnetic field
  • Method for improving mechanical property of Ti48Zr20Nb12Cu5Be15 by using magnetic field

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Embodiment 1

[0026] The present embodiment is a kind of utilizing pulsed magnetic field to process Ti 48 Zr 20 Nb 12 Cu 5 be 15 A titanium-based amorphous composite material, a method for improving its mechanical properties.

[0027] The titanium-based amorphous composite material described in this implementation example is composed of Ti, Zr, Nb, Cu, Be, and the atomic percentage of the titanium-based amorphous composite material is Ti 48 Zr 20 Nb 12 Cu 5 be 15 , the pulsed magnetic field intensity used is 10T, and the number of pulses is 5 times.

[0028] The specific process of the method for improving the mechanical properties of titanium-based amorphous composite materials by pulsed magnetic field treatment described in this embodiment is as follows:

[0029] The first step, Ti 48 Zr 20 Nb 12 Cu 5 be 15 Surface insulation treatment. Ti will be prepared using existing technology 48 Zr 20 Nb 12 Cu 5 be 15 The titanium-based amorphous composite material is tightly wra...

Embodiment 2

[0036] The Ti described in this implementation example 48 Zr 20 Nb 12 Cu 5 be 15 The pulsed magnetic field intensity used is 10T, and the number of pulses is 10 times.

[0037] The pulsed magnetic field treatment described in this embodiment improves Ti 48 Zr 20 Nb 12 Cu 5 be 15 The specific process of the method of mechanical properties is as follows:

[0038] The first step, Ti 48 Zr 20 Nb 12 Cu 5 be 15 Surface insulation treatment. Ti will be prepared using existing technology 48 Zr 20 Nb 12 Cu 5 be 15 The titanium-based amorphous composite material is tightly wrapped with polyimide high-temperature insulating tape with a temperature resistance of 280°C, so that no exposed metal surface can be left, so that the titanium-based amorphous composite material is completely insulated from the electromagnetic induction coil of the pulsed magnetic field processing equipment. This prevents short circuits from occurring during subsequent discharges.

[0039] The ...

Embodiment 3

[0045] The present embodiment is a kind of utilizing pulsed magnetic field to process Ti 48 Zr 20 Nb 12 Cu 5 be 15 , to improve its mechanical properties.

[0046] The titanium-based amorphous composite material described in this implementation example is composed of Ti, Zr, Nb, Cu, Be, and the atomic percentage of the titanium-based amorphous composite material is Ti 48 Zr 20 Nb 12 Cu 5 be 15 , the pulsed magnetic field intensity used is 10T, and the number of pulses is 20 times.

[0047] The specific process of the method for improving the mechanical properties of titanium-based amorphous composite materials by pulsed magnetic field treatment described in this embodiment is as follows:

[0048] The first step is the surface insulation treatment of the titanium-based amorphous composite material. Ti will be prepared using existing technology 48 Zr 20 Nb 12 Cu 5 be 15 The titanium-based amorphous composite material is tightly wrapped with polyimide high-temperat...

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Abstract

Disclosed is a method for improving mechanical properties of Ti48Zr20Nb12Cu5Be15 by using a magnetic field. By disconnecting an energy releasing switch and a discharging switch of an electromagnetic field device, a charging capacitor is made to output an impulse current to an electro-magnetic induction coil so that a pulsed magnetic field is formed in the center position of the interior of the electro-magnetic induction coil and pulsed magnetic field treatment for one time is conducted on a Ti-based amorphous composite material positioned in the interior of the electro-magnetic induction coil.After repeating the pulsed magnetic field treatment process of charging, discharging and energy releasing for 5-20 times and carrying out the pulsed magnetic field treatment to the existing Ti 48 Zr20Nb12Cu5Be15 Ti-based amorphous composite material, the Ti-based amorphous composite material after treatment still presents as a two-phase composite structure of beta dendritic crystal and an amorphous basal body. Meanwhile, the magnetic field treatment can not change the dendritic crystal volume fraction and the dendritic crystal morphology of the original Ti-based amorphous composite material.According to the method for improving the mechanical property of the Ti48Zr20Nb12Cu5Be15 by using the magnetic field, yield strength of the Ti-based amorphous composite material is improved and meanwhile plasticity of the material is not sacrificed.

Description

technical field [0001] The invention relates to the field of titanium alloys or amorphous alloys, in particular to a titanium-based amorphous composite material with ultrahigh strength and plastic matching and a preparation method thereof. Background technique [0002] Due to its high strength, low density and good corrosion resistance, titanium-based amorphous alloys have very potential application prospects in aviation, aerospace, micro-machines, sports equipment and other fields. However, the intrinsic brittleness of amorphous alloys due to highly localized deformation restricts their application as high-strength and tough structural materials. Therefore, the preparation of Ti-based self-grown amorphous composites through second phase reinforcement can solve the problem of room temperature brittleness, and at the same time have the advantages of light weight and high strength of amorphous alloys. In recent years, people have developed some titanium-based amorphous compos...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F3/00
CPCC22F3/00
Inventor 李金山李力源王军张宇肖后秀寇宏超王毅
Owner NORTHWESTERN POLYTECHNICAL UNIV
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