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Alkali-resistant aluminum alloy composite material and preparation method thereof

A composite material and aluminum alloy technology, which is applied in the field of alkali-resistant aluminum alloy composite materials and manufacturing, can solve problems such as poor wear resistance and easy damage to the alkali-resistant corrosion layer, and achieve good interface compatibility and interface wettability Good compatibility with the interface, good alkali corrosion resistance

Active Publication Date: 2018-11-16
JIANGSU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the oxide film of the aluminum alloy material is sealed with a silane film layer, and the polymer material has poor wear resistance and the alkali corrosion resistance layer is easily damaged under the action of friction

Method used

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  • Alkali-resistant aluminum alloy composite material and preparation method thereof
  • Alkali-resistant aluminum alloy composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: An aluminum-based composite material and additive manufacturing method for an alkaline corrosion-resistant drill pipe, the specific steps are as follows:

[0025] 1) Preparation of precursor: Prepare Ni, Nb, Ti, and Hf metals according to the atomic ratio to configure the raw materials, place them in a crucible melting furnace and heat them to melt under the protection of argon, and then inject the melt into the molten metal in the spray deposition machine package, while CaCO with a particle size of 10 μm 3 Fill into the solid fluidized conveyor; feed 3MPa high-pressure helium into the metal liquid bag and the solid fluidized conveyor respectively to let Ni 60 Nb 20 Ti 12.5 f 7.5 Liquid metal and CaCO 3 The particles are synchronously atomized to form solid-liquid mixed droplets, which are rapidly solidified under the action of the cooler at the lower end of the atomization chamber, and deposited on the substrate to obtain precursor particles with a pa...

Embodiment 2

[0030] Embodiment 2: An aluminum-based composite material and additive manufacturing method for an alkaline corrosion-resistant drill pipe, the specific steps are as follows:

[0031] 1) Preparation of precursor: Prepare Ni, Nb, Ti, and Hf metals according to the atomic ratio to configure the raw materials, place them in a crucible melting furnace and heat them to melt under the protection of argon, and then inject the melt into the molten metal in the spray deposition machine package, while CaCO with a particle size of 10 μm 3 Fill into the solid fluidized conveyor; feed 3MPa high-pressure helium into the metal liquid bag and the solid fluidized conveyor respectively to let Ni 60 Nb 20 Ti 12.5 f 7.5 Liquid metal and CaCO 3 The particles are synchronously atomized to form solid-liquid mixed droplets, which are rapidly solidified under the action of the cooler at the lower end of the atomization chamber, and deposited on the substrate to obtain precursor particles with a pa...

Embodiment 3

[0036] Embodiment 3: An aluminum-based composite material for an alkaline corrosion-resistant drill pipe and an additive manufacturing method, the specific steps are as follows:

[0037] 1) Preparation of precursor: Prepare Ni, Nb, Ti, and Hf metals according to the atomic ratio to configure the raw materials, place them in a crucible melting furnace and heat them to melt under the protection of argon, and then inject the melt into the molten metal in the spray deposition machine package, while CaCO with a particle size of 10 μm 3 Fill into the solid fluidized conveyor; feed 3MPa high-pressure helium into the metal liquid bag and the solid fluidized conveyor respectively to let Ni 60 Nb 20 Ti 12.5 f 7.5 Liquid metal and CaCO 3 The particles are synchronously atomized to form solid-liquid mixed droplets, which are rapidly solidified under the action of the cooler at the lower end of the atomization chamber, and deposited on the substrate to obtain precursor particles with a...

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Abstract

The invention provides an alkali-resistant aluminum alloy composite material. The composite material is composed of a base material and a precursor, the base material is an aluminum alloy, the mass fraction of each element in the aluminum alloy is cu (NO3) 3, and the each element in the aluminum alloy, by mass fraction, 3.8% to 4.9% of Cu, 1.2% to 1.8% of Mg, 0.30% to 0.90% of Mn, and the balanceof Al, the calcium carbonate CaCo3 particles coated with the Ni60Nb20Ti12. 5Hf7.5 metal glass alloy, the precursor accounts for 20% to 30% of the mass percent of the base material, and the particle size of the precursor is 50 to 100 microns. The preparation method comprises the following steps of preparing a precursor, preparing a base material, preparing a cast blank, extruding and forming, carrying out solid solution and carrying out aging treatment.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to an alkali-resistant aluminum alloy composite material and a manufacturing method. Background technique [0002] Compared with steel drill pipes, aluminum alloy drill pipes have the advantages of light weight, fatigue resistance, high flexibility, corrosion resistance, cold resistance, and high critical speed. At present, more than 20 countries have started the development and application of aluminum alloy drilling pipes. my country is a country rich in offshore oil resources. In recent years, offshore oil drilling has developed rapidly. It is very promising to develop aluminum alloy drilling pipes in China. In particular, the oil and gas in the deep sea and continental shelf in the vast sea areas such as the East my country Sea, the Yellow Sea, and the South China Sea are very rich, so it is necessary to use aluminum alloy drilling pipes. However, in an alkaline environment...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/115B22F3/20B22F3/24B22F5/12B22F1/00C22C1/10C22C21/00C22C32/00C22F1/04E21B17/00B33Y10/00B33Y80/00
CPCB22F1/00B22F3/115B22F3/20B22F3/24B22F5/106B22F2003/208B22F2003/248B22F2998/10B33Y10/00B33Y80/00C22C1/1042C22C21/00C22C32/0089C22F1/04E21B17/00
Inventor 王泽李小平卢雅琳叶霞张扬雷卫宁徐修玲王洪金李仁兴
Owner JIANGSU UNIV OF TECH
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