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A kind of mab phase ceramic-metal layered composite material and its preparation method and application

A composite material and metal layer technology, applied in the field of materials, can solve the problems of electrical conductivity, thermal conductivity, and strength, etc., and achieve the effects of improving interface wettability and bonding, high conductivity, and simple process

Active Publication Date: 2022-03-22
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] CN 102703850 A discloses a ternary boron nitride ceramic coating containing cerium oxide and a preparation method thereof. The coating uses Mo powder, Fe powder and FeB powder as raw materials to prepare Mo on a Q235 steel substrate. 2 FeB 2 Ternary nitride ceramic coating improves the wear resistance of the coating, but its electrical conductivity, thermal conductivity and strength still need to be improved

Method used

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  • A kind of mab phase ceramic-metal layered composite material and its preparation method and application
  • A kind of mab phase ceramic-metal layered composite material and its preparation method and application
  • A kind of mab phase ceramic-metal layered composite material and its preparation method and application

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Embodiment 1

[0083] This embodiment provides a preparation method of MAB phase ceramic-metal layered composite material, the preparation method comprising the following steps:

[0084] (1) Preparation of MAB phase slurry:

[0085] (a) Dissolving PMMA in anisole, stirring at 450r / min for 3h to clarification, obtaining an anisole solution of PMMA with a concentration of 12wt%;

[0086] (b) mixing the MoAlB powder with a particle diameter D50 of 12 μm and the anisole solution of PMMA obtained in step (a), stirring at 450 r / min for 3 h to disperse evenly, and obtaining a MAB phase slurry with a volume fraction of 15%;

[0087] (2) Spray the MAB phase slurry obtained in step (1) on the surface of aluminum foil with an average thickness of 18 μm, and the spray thickness is 10 μm;

[0088] (3) drying and solidifying the aluminum foil sprayed with the MAB phase slurry in step (2), and then laminating to obtain a laminated blank, the number of laminated layers is n≥2, and n is a positive integer; ...

Embodiment 2

[0093] This embodiment provides a preparation method of a MAB phase ceramic-metal layered composite material, except that the volume fraction of the MAB phase slurry in step (b) is 10%, the rest are the same as in Embodiment 1.

Embodiment 3

[0095] This embodiment provides a method for preparing a MAB phase ceramic-metal layered composite material, except that the volume fraction of the MAB phase slurry in step (b) is 20%, the rest are the same as in Embodiment 1.

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Abstract

The invention provides a MAB phase ceramic-metal layered composite material and its preparation method and application, the composite material includes alternately stacked metal layers and MAB phase layers, the MAB phase layers are attached to the metal layer, and the composite The preparation method of the material comprises the following steps: preparing MAB phase slurry; coating the MAB phase slurry on the surface of a metal substrate; drying and curing the metal substrate coated with the MAB phase slurry, and then laminating to obtain a laminated blank ; Pretreating the laminated billet to obtain a pre-product; sintering the pre-product to obtain the MAB phase ceramic-metal layered composite material after cooling with the furnace. The composite material prepared by the preparation method has high interface strength, light weight, high strength, wear resistance and anticorrosion, and can meet the application requirements in the field of vehicle, power transmission and transformation or military materials.

Description

technical field [0001] The invention belongs to the technical field of materials and relates to a composite material, in particular to a MAB phase ceramic-metal layered composite material and a preparation method and application thereof. Background technique [0002] Aluminum matrix composite material is a material with strong vitality that emerges in response to the needs of modern scientific development. It is composed of two or more materials with different properties through various technological means. [0003] Aluminum has many characteristics in making composite materials, such as light weight, low density, good plasticity, and aluminum matrix composite technology is easy to master and easy to process. In addition, aluminum matrix composite materials have high specific strength and specific stiffness, good high temperature performance, and are more durable Fatigue and more wear-resistant, good damping performance, low thermal expansion coefficient, can meet specific m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B15/01B32B15/20B32B33/00B32B37/06B32B37/10
CPCB32B15/01B32B15/20B32B33/00B32B37/06B32B37/10B32B2307/202B32B2307/302B32B2307/558B32B2307/536B32B2307/554B32B2255/20B32B2255/06
Inventor 王钰赵栋王秦欢
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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