A kind of nano-ceramic composite 6201 aluminum alloy, its ultrasonic-assisted low-temperature synthesis method and its application

A nano-ceramic and ultrasonic-assisted technology, which is applied in the field of aluminum alloys, can solve problems such as multiple side reactants, complex processes, and environmental pollution, and achieve the effects of accelerating chemical reactions, simple chemical reaction processes, and simple preparation methods

Active Publication Date: 2022-05-13
DALIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

TiB is currently produced in the factory 2 The most common method of strengthening aluminum matrix composites is the fluorine salt method, that is, a certain proportion of fluorine salt is added to the aluminum melt, and TiB is formed through a series of chemical reactions. 2 Particles, but this preparation method is complex and produces more side reactants, and a large amount of smoke will be generated during the reaction process, polluting the environment and endangering health

Method used

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  • A kind of nano-ceramic composite 6201 aluminum alloy, its ultrasonic-assisted low-temperature synthesis method and its application
  • A kind of nano-ceramic composite 6201 aluminum alloy, its ultrasonic-assisted low-temperature synthesis method and its application
  • A kind of nano-ceramic composite 6201 aluminum alloy, its ultrasonic-assisted low-temperature synthesis method and its application

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Embodiment 1-5

[0045] This embodiment discloses the ultrasonic-assisted low-temperature synthesis method of five kinds of nano-ceramic composite 6201 aluminum alloys. The device used in this method is as follows: figure 2 As shown, it includes a resistance furnace 1 and an ultrasonic device, wherein the resistance furnace is used to heat and insulate the melt in the crucible 2, and the ultrasonic device is composed of a generator 3, a converter 4, a horn and a TC4 probe 5, and the generator is directly connected The power supply and the horn are connected by threads.

[0046] The ultrasonic-assisted low-temperature synthesis method of nano-ceramic composite 6201 aluminum alloy in this embodiment is as follows: figure 1 shown, including the following steps:

[0047] Step 1. Prepare raw materials Al-10wt.%Ti, Al-3wt.%B, Al-10wt.%Mg and Al-12wt.%Si master alloys, and generate TiB according to the complete reaction of raw materials 2 The premise is to carry out the ratio calculation, so that ...

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Abstract

The invention provides a nano-ceramic composite 6201 aluminum alloy, its ultrasonic-assisted low-temperature synthesis method and its application. The ultrasonic-assisted low-temperature synthesis method of the nano-ceramic composite 6201 aluminum alloy comprises the following steps: Step 1. Smelting: After melting industrial pure aluminum, Al-10wt.% Ti master alloy and Al-3wt.% B master alloy, the Ultrasonic treatment is carried out when the melt temperature reaches 710-730°C, and then the temperature continues to rise to 740-760°C, and the heat preservation is carried out for 40-50min; after the heat preservation is completed, ultrasonic treatment is carried out; Step 2. Refining: add Al- 10wt.% Mg and Al‑12wt.% Si for alloying; casting, homogenization treatment, hot rolling, solution treatment, room temperature rolling, artificial aging. The casting process of the invention is simple, and the high-strength and high-conductivity aluminum-based composite material prepared by the method can be used as a conductive material.

Description

technical field [0001] The invention relates to aluminum alloy technology, in particular to a nano-ceramic composite 6201 aluminum alloy, its ultrasonic-assisted low-temperature synthesis method and its application. Background technique [0002] At present, due to the advantages of lower density, higher specific strength and lower cost than copper wires, aluminum wires are very suitable for low-sag wires currently required by the power industry. Adding a small amount of reinforcing particles to the conductive aluminum alloy can not only retain the light weight of the aluminum wire, but also further improve the strength and stiffness of the wire, and achieve the requirement of low sag. Among the numerous enhancers, TiB 2 It stands out because of its excellent properties such as high hardness, high strength-density ratio, avoiding the formation of interfacial reaction products with aluminum and refractory properties, and has high interface bonding strength and wettability. F...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/10C22C32/00C22F1/04C22C21/00H01B1/02
CPCC22C1/1036C22C32/0073C22F1/04C22C21/00H01B1/023C22C1/1052
Inventor 陈宗宁康慧君郭恩宇王同敏刘梦梦张宇博接金川卢一平曹志强李廷举
Owner DALIAN UNIV OF TECH
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