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Method for improving performance of Mg/Ti connecting interface

A technology for connecting interface and performance, which is applied in the field of preparation of "titanium/aluminum matrix composites/magnesium/aluminum matrix composites/titanium" layered materials, can solve problems affecting the bonding strength and mechanical properties of plates, and achieve improved casting. Defects, grain refinement, performance improvement effect

Active Publication Date: 2019-09-13
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to use silicon carbide particles to strengthen the aluminum matrix composite (SiCp / AMCs ) as the interfacial bonding layer, using silicon carbide particles (SiCp) to control the Ti / Al and Al / Mg interfacial intermetallic compounds to prepare Ti / Al / Mg layered composites with fine and uniform intermetallic compound layers Material

Method used

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  • Method for improving performance of Mg/Ti connecting interface
  • Method for improving performance of Mg/Ti connecting interface

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specific Embodiment approach 2

[0039] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the volume fraction of spherical SiCp described in step 1 is 5%, and the others are the same as Embodiment 1.

specific Embodiment approach 3

[0040] Embodiment 3: The difference between this embodiment and Embodiment 1 is that the volume fraction of spherical SiCp described in step 1 is 15%, and the others are the same as Embodiment 1.

specific Embodiment approach 4

[0041] Embodiment 4: The difference between this embodiment and Embodiment 1 is that the rolling temperature in step 2 is 400° C., and the others are the same as Embodiment 1.

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Abstract

The invention discloses a method for introducing a SiCp enhanced phase by designing a composite material intermediate layer so as to improve an Mg / Ti layer, and relates to a preparation method for improving "titanium / aluminum-based composite material / magnesium / aluminum-based composite material / titanium layer materials of the performance of an Mg / Ti interface. The method comprises the following steps that the SiCp reinforced aluminum-based composite material with uniformly distributed particles is prepared by adopting a semi-solid stirring casting method, hot rolling is performed to obtain an aluminum-based composite material component plate, hot rolling is performed on the aluminum-based composite material component plate by using titanium aluminum-based composite material magnesium aluminum-based composite material, and hot pressing and annealing are performed on laminated plates which are stacked in sequence. The method is simple in process, low in cost and stable and controllable inplate quality; and on one hand, a dispersion strengthening effect and a fine grain strengthening effect are generated on the metal of the component layer, so that the deformation between titanium andaluminum is more harmonious, and on the other hand, the strength and toughness of the interface area are improved, and the comprehensive performance of a composite board is remarkably improved.

Description

technical field [0001] The invention belongs to the technical field of light alloy processing and forming, and in particular relates to a preparation method of a "titanium / aluminum matrix composite material / magnesium / aluminum matrix composite material / titanium" layered material which improves the Mg / Ti interface performance. Background technique [0002] In engineering applications, magnesium and magnesium alloys have disadvantages such as low strength, low stiffness, poor corrosion resistance, and poor room temperature plasticity, especially poor corrosion resistance and low stiffness, which limit their wide application. Considering that titanium and titanium alloys have Excellent high temperature resistance, corrosion resistance, high strength and rigidity, can form complementary advantages with magnesium and magnesium alloys. However, the huge performance difference between magnesium and titanium makes it difficult to combine them, and the method of covering both sides of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C37/02B21B1/38B32B37/06B32B37/10C22C1/10C22C21/00C22C32/00B22D17/00
CPCB21C37/02B21B1/38B32B37/06B32B37/10C22C1/1036C22C21/00C22C32/0063B22D17/007B21B2001/386C22C1/1047
Inventor 邓坤坤曹苗王翠菊史权新聂凯波梁伟
Owner TAIYUAN UNIV OF TECH
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