Preparation method of like garnet structural ceramic reinforced aluminum/copper base high-damping composite material

A composite material, garnet technology, applied in the field of production of garnet-like structure ceramic reinforced Al/Cu-based high-damping composite materials, can solve the problems of poor bonding between metal matrix and ceramic interface, low fracture toughness, etc., and achieve enhanced damping Performance and mechanical properties, no mold cost, excellent shock and noise reduction effects

Active Publication Date: 2017-01-04
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] So far, some researches have successfully prepared LLZO / Al high damping composite materials by powder metallurgy method, but the research found that the composite materials prepared by this method have problems such as poor bonding between metal matrix and ceramic interface, low fracture toughness, etc.

Method used

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  • Preparation method of like garnet structural ceramic reinforced aluminum/copper base high-damping composite material
  • Preparation method of like garnet structural ceramic reinforced aluminum/copper base high-damping composite material
  • Preparation method of like garnet structural ceramic reinforced aluminum/copper base high-damping composite material

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Embodiment 1

[0033] This embodiment provides a method for preparing a garnet-like structure ceramic reinforced Al / Cu-based composite material, including the following steps:

[0034] Step 1: Using pure Al or pure Cu or aluminum alloy or copper alloy as the substrate, ultrasonically clean the surface of the substrate, then polish the surface, remove the surface metal oxide, and obtain the metal substrate to be processed;

[0035] Step 2: Li with garnet-like structure 7+δ (La 3-x A x )(Zr 2-y m y )O 12 (LLAZMO) ceramic particles are ultrasonically dispersed in deionized water, and then uniformly precipitated on the surface of the metal substrate in step 1 to obtain a composite substrate; where A represents the doping element at the lanthanum position, which is barium (Ba) or calcium (Ca) or potassium (K) or strontium (Sr) or one of the rare earth elements, x is 0-1.25, M represents the zirconium doping element, which is indium (In) or vanadium (V) or tantalum (Ta) or niobium (Nb) Or on...

Embodiment 2

[0039] A method for preparing a garnet-like structure ceramic reinforced Al / Cu-based composite material provided in this embodiment includes the following steps:

[0040] Step 1: Using aluminum alloy foam or copper alloy foam plate as the substrate, ultrasonically clean the surface of the substrate, and then polish the surface to remove the metal oxide on the surface to obtain the metal substrate to be processed;

[0041] Step 2: Li with garnet-like structure 7+δ (La 3-x A x )(Zr 2-y m y )O 12 (hereinafter referred to as LLAZMO) ceramic particles are dispersed in ethanol, and the ethanol can also be replaced by other low-boiling alcohol reagents such as ethylene glycol or acetone, and then uniformly precipitated on the surface of the metal substrate in step (1) to obtain a composite substrate; Among them, A represents the doping element at the lanthanum position, which is one of barium (Ba) or calcium (Ca) or potassium (K) or strontium (Sr) or rare earth elements, x is 0-...

Embodiment 3

[0045] A method for preparing a garnet-like structure ceramic reinforced Al / Cu-based composite material provided in this embodiment includes the following steps:

[0046] Step 1: Use pure Al or pure Cu or aluminum alloy or copper alloy as the substrate, treat the surface of the substrate, remove the surface metal oxide, and obtain the metal substrate to be processed, and at the same time, take pure Al or pure Cu or aluminum alloy or copper Alloyed aluminum or copper tubes, surface treated to remove metal oxides;

[0047] Step 2: Li with garnet-like structure 7+δ (La 3-x A x )(Zr 2-y m y )O 12 After the ceramic particles are ultrasonically cleaned and dried, they are filled into the aluminum tube or copper tube in step 1. After the filling is completed, the surface of the metal tube is polished to remove excess metal oxides; the mass ratio of the metal tube to the ceramic particles is controlled so that the obtained composite base tube The mass percentage of ceramic parti...

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Abstract

The invention discloses a preparation method of a like garnet structural ceramic reinforced aluminum / copper base high-damping composite material. An accumulation ply rolling welding method is adopted for the first time to realize preparation of the like garnet structural ceramic reinforced aluminum / copper base high-damping composite material, so that the damping performance and the mechanical performance of a metal base composite material at near room temperature are greatly improved; and the method overcomes such problems as weaker bonding between a metal matrix and a ceramic interface and lower rupture toughness in traditional powder metallurgy methods. The metal base composite material prepared by the method effectively satisfies the requirements on structural materials in the application field of near room-temperature vibration reduction and noise reduction, and is hopeful to exert an important effect in development of such high technical industries as spaceflight, aviation, navigation, ultrafine machining and testing and electronic fields.

Description

technical field [0001] The invention relates to a method for manufacturing an Al / Cu-based composite material, in particular to a method for manufacturing a garnet-like structure ceramic reinforced Al / Cu-based high-damping composite material. Background technique [0002] With the development of high-tech industries such as aerospace, aviation, navigation, ultra-fine processing and testing, and electronics, the harm caused by vibration and noise is becoming more and more serious. In these high-precision systems, on the one hand, this noise and vibration will destroy the stability and reliability of equipment operation. For example, failure analysis of rockets and satellites proves that about 2 / 3 of the failures are related to vibration and noise; Various instruments and meters in the field often fail because of this; the multi-formant response caused by random excitation of broadband noise makes electronic components fail. Also directly endanger people's health on the other ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/10C22C21/00C22C9/00C22C32/00C22F1/04C22F1/08
CPCC22C1/10C22C9/00C22C21/00C22C32/001C22F1/04C22F1/08
Inventor 高云霞郑薇曾龙飞王先平张临超方前峰
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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