In-situ aluminum-based material preparation method and device

A technology of aluminum-based materials and preparation devices, which is applied in the field of in-situ forming of Al3Ti/Al composite materials, can solve the problems of few practical applications, difficulty in fully stimulating the performance potential of aluminum-based composite materials, and weak basic research

Inactive Publication Date: 2019-08-30
ZHONGBEI UNIV
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Problems solved by technology

However, the current basic research on squeeze casting technology of aluminum matrix composites is relatively weak, and there are few practical applications in the field of manufacturing high-performance load-bearing components. The reason is that although the traditional squeeze casting technology can achieve near-net shape of complex components, It is difficult to fully stimulate the performance potential of aluminum matrix composites

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  • In-situ aluminum-based material preparation method and device
  • In-situ aluminum-based material preparation method and device
  • In-situ aluminum-based material preparation method and device

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Embodiment Construction

[0034] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0035] This embodiment provides a method for preparing an in-situ aluminum-based material, which is characterized in that it includes the following steps:

[0036] Step 1. Prepare in-situ Al by induction melting method 3 Ti / Al composite material melt;

[0037] Step 2, the prepared in-situ Al 3 The melt of Ti / Al composite material is directly poured into the forming mold for extrusion casting, and the cavitation effect and acoustic flow effect generated in the melt by ultrasonic vibration are used in the extrusion casting forming process to control the original Ti particles and the Al melt Reaction behavior, optimize the generated Al 3 The shape and size of Ti;

[0038...

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Abstract

The invention relates to an in-situ aluminum-based material preparation method and device. The method comprises step 1, in-situ Al3Ti / Al composite material melt is prepared by adopting an induction melting method; step 2, the prepared in-situ Al3Ti / Al composite material melt is directly poured into a forming die for extrusion casting, the cavitation effect and the acoustic streaming effect generated by supersonic vibration in the melt are utilized in an extrusion casting forming process for controlling reaction behavior of original Ti particles and the Al melt, and the morphology and the sizeof generated Al3Ti are optimized; and step 3, the in-situ Al3Ti / Al composite material melt is solidified and generates plastic deformation under the coupling effect of extrusion force and ultrasonic vibration, and an in-situ aluminum-based material formed component is prepared. According to the method, the ultrasonic melt processing technology and extrusion casting are combined, so that integration of formation and performance achievement of a high-performance aluminum-based composite material complex component is realized.

Description

technical field [0001] The invention belongs to Al 3 The technical field of in-situ forming of Ti / Al composite materials, in particular, relates to a preparation method and device for an in-situ aluminum-based material. Background technique [0002] Aluminum-based composite materials have high specific strength and specific stiffness, good wear resistance, fatigue resistance and creep resistance, and have significant advantages such as good thermal and electrical conductivity, low thermal expansion coefficient and good dimensional stability. Transportation, weaponry and other fields play an important role. Aluminum matrix composites can be prepared by adding a certain proportion of ceramics (particles, fibers, whiskers, etc.) or intermetallic compounds to the aluminum matrix by means of external addition or in-situ reaction self-generation. The in-situ aluminum matrix composite material is through the chemical reaction between the added phase and the aluminum matrix to gen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C1/03B22D18/02
CPCB22D18/02C22C1/026C22C1/03C22C21/003
Inventor 徐宏张新任霁萍石阳张国伟毛红奎
Owner ZHONGBEI UNIV
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