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Preparation method and device of particle reinforced metal matrix composite

A composite material and particle reinforcement technology, which is applied in the field of composite material processing, can solve problems such as difficult to control and arrange the reinforcement particle space on demand, and achieve the effects of avoiding heat loss, increasing heat dissipation area, and strong flexibility

Active Publication Date: 2020-11-27
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to overcome the deficiencies of the prior art, the present invention provides a method and device for preparing particle-reinforced metal-matrix composites, which solves the problem that the existing method for preparing particle-reinforced metal-matrix composites is difficult to control the spatial arrangement of reinforcing particles and the inability to Avoids the problem of reaction between reinforcing phase and binder phase to form detrimental phases

Method used

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  • Preparation method and device of particle reinforced metal matrix composite
  • Preparation method and device of particle reinforced metal matrix composite
  • Preparation method and device of particle reinforced metal matrix composite

Examples

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Embodiment 1

[0044] refer to Figure 1 to Figure 3 As shown, a preparation device for particle-reinforced metal matrix composites includes a mold, and the mold includes a cylinder 41, which can rotate along the axis of the cylinder 41. In this embodiment, the cylinder 41 can be subjected to external forces (such as Clamps with a motor) rotate along the axis of the cylinder 41;

[0045]One end of the cylinder 41 is provided with a baffle 42, and the other end is provided with a retaining ring 43, forming a cylinder 41 with an open end, and the baffle 42, the retaining ring 43 and the cylinder 41 are all connected in a detachable manner; The ring 43 is provided with a bracket 3 capable of closing the gear ring 43 and moving along the axial direction of the gear ring 43, the bracket 3 is provided with a temperature measuring hole 31, and the temperature measuring hole 31 is used to measure the temperature in the cylinder 41; Described mold also comprises heater 7 and feed pipe 5, and one end...

Embodiment 2

[0050] The present invention also provides a method for preparing particle-reinforced metal-matrix composites based on the above-mentioned preparation device, taking centrifugal casting as an example to prepare surface-layer composite metal tubular parts (such as hollow rolls), see Figure 1 to Figure 3 As shown, the steps are as follows:

[0051] Step 1: Select the reinforced braid and isolation braid, cut them into the desired shape and stack them layer by layer to obtain the skeleton 1; see figure 2 with 3 As shown, the reinforced braid includes a reinforced metal mesh 14, the reinforced metal mesh 14 is laid with reinforced particles 12, and a layer of reinforced metal mesh 14 is covered on the reinforced particles 12, and the two layers of reinforced metal mesh 14 are connected by sewing or welding , and the outer diameter of the reinforcing particles 12 is greater than the mesh diameter of the reinforcing metal mesh 14, ensuring that the reinforcing particles 12 in the...

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Abstract

The invention provides a preparation method and device of a particle reinforced metal matrix composite. A reinforced particle fabric body framework is prepared in advance, and then the framework is compounded with a matrix. The device comprises a die, the die comprises a cylinder, and the cylinder is capable of rotating along the axis of the cylinder; a baffle is arranged at one end of the cylinder, a baffle ring is arranged at the other end of the cylinder, a support capable of closing the baffle ring and moving in the axis direction of the baffle ring is arranged in the baffle ring, and a temperature measuring hole is formed in the support. The die further comprises a heater and a feeding pipe, and one end of the heater and one end of the feeding pipe penetrate through the support and extend into the cylinder; and a heat insulator is arranged on the inner wall of the cylinder, and the framework used for being combined with liquid metal is arranged on the heat insulator. The preparation method and device of the particle reinforced metal matrix composite solve the problems that according to an existing preparation method of the particle reinforced metal matrix composite, reinforcedphase particles are difficult to arrange according to needs, and a harmful phase formed by reaction between a reinforced phase and a binding phase cannot be avoided.

Description

technical field [0001] The invention relates to the field of composite material processing, in particular to a method and device for preparing particle-reinforced metal-based composite materials. Background technique [0002] Particle-reinforced metal-matrix composites are a general term for metal-matrix composites with particle-reinforced metal or alloy matrices such as carbides, nitrides, and graphite. The composition range of this kind of composite material is wide, and the matrix metal and reinforcing particles can be selected according to the working conditions. The commonly used particles are silicon carbide, titanium carbide, boron carbide, tungsten carbide, aluminum oxide, silicon nitride, titanium boride , boron nitride and graphite, etc., the size of the particles is generally 3.5-10μm, and there are also particles <3.5μm and 30μm, the content range is 5%-75%, generally 15%-20% and 65%, as needed depends. Metal substrates include aluminum, magnesium, titanium,...

Claims

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Application Information

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IPC IPC(8): C22C47/06C22C47/08
CPCC22C47/066C22C47/08
Inventor 谢鲲夏鹏成孙金全曹梅青岳丽杰谭云亮
Owner SHANDONG UNIV OF SCI & TECH
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