Layered high niobium-titanium-aluminum alloy composite plate and preparation method thereof

A composite material plate, titanium-aluminum alloy technology, applied in the field of metal-based composite materials and its preparation, composite materials and its preparation, can solve the problem that the performance of a single component material is difficult to meet, and achieve improved material performance and excellent mechanical properties. performance effect

Inactive Publication Date: 2018-04-13
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] With the development of modern industrial technology and the continuous emergence of various new technologies and new industries, people's requirements for material performance are also increasing. The performance of a single component material has been difficult to meet the requirements of actual production.

Method used

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  • Layered high niobium-titanium-aluminum alloy composite plate and preparation method thereof
  • Layered high niobium-titanium-aluminum alloy composite plate and preparation method thereof

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Experimental program
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Effect test

specific Embodiment approach 1

[0032] Specific implementation mode 1: The preparation method of a layered high-niobium titanium-aluminum alloy composite material plate according to this implementation mode is carried out according to the following steps:

[0033] S1: Preparation of aluminum foil, titanium powder and niobium powder: the surface of the aluminum foil is cleaned by a common surface treatment method; at the same time, the titanium powder and niobium powder are mixed evenly;

[0034] S2: Stacked placement: Alternately stack the surface-treated aluminum foil and the mixed powder to form a "sandwich" structure;

[0035] S3: Pretreatment of wrapping and rolling at room temperature: cold-rolling the laminated materials covered with titanium foil at room temperature to make the powder distribution between the aluminum foils more uniform;

[0036] S4: Low-temperature diffusion reaction: place the laminated structure that has been cold-rolled without removing the sheath in a graphite mold whose surface ...

specific Embodiment approach 2

[0045] Embodiment 2: This embodiment differs from Embodiment 1 in that the thickness of the aluminum foil described in S1 is 0.1 mm, and the particle diameters of titanium powder and niobium powder are both 10-100 um. Others are the same as Embodiment 1.

specific Embodiment approach 3

[0046] Specific embodiment three: the difference between this embodiment and specific embodiment one is: the niobium powder and titanium powder are mixed by ball milling as described in S1, the mixing time is 8h~16h, and the ball-to-material ratio is (15~20) : 1, the rotating speed of the ball mill is 100r / min~200r / min to obtain a uniformly mixed powder, wherein the volume fraction of pure titanium in the uniformly mixed powder is 85%~95%, and the volume fraction of niobium powder is 5% %~15%.

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Abstract

The invention provides a layered high niobium-titanium-aluminum alloy composite plate and a preparation method thereof, and belongs to the technical field of materials and preparation thereof. A new thought is provided for preparation of a metal-base composite by adopting the laminating hot-pressing composite process of mixed powder of a pure aluminum foil material and titanium powder as well as niobium powder. Titanium-aluminum-based layered materials prepared by adding the niobium element have more excellent mechanical properties such as the high strength and the high toughness. The preparation method comprises the steps that S1, the aluminum foil, the titanium powder and the niobium powder are prepared; S2, laminated storing is conducted; S3, room-temperature pack rolling pretreatment is conducted; S4, a low-temperature diffusion reaction is conducted; and S5, a high-temperature diffusion reaction is conducted. The preparation method of the layered high niobium-titanium-aluminum alloy composite plate can be applied to preparation of the layered high niobium-titanium-aluminum alloy composite plate.

Description

technical field [0001] The invention relates to a composite material and a preparation method thereof, in particular to a metal-based composite material and a preparation method thereof, and belongs to the technical field of materials and preparation thereof. Background technique [0002] With the development of modern industrial technology and the continuous emergence of various new technologies and new industries, people's requirements for material performance are also increasing, and the performance of a single component material has been difficult to meet the requirements of actual production. Therefore, it is very urgent to study and prepare new composite materials. TiAl-based materials have become one of the best materials for high-temperature components in the aerospace field due to their excellent high-temperature properties such as high-temperature resistance and oxidation resistance. [0003] Foil-foil metallurgy is one of the effective methods for preparing metal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/18B22F3/14B22F7/04
CPCB22F3/14B22F3/18B22F7/04B22F2007/042B22F2003/145
Inventor 王策李学问房文斌
Owner HARBIN UNIV OF SCI & TECH
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