Method for preparing nanoscale silicon carbide copper alloy material

A technology of nano-scale silicon carbide and silicon carbide copper, which is applied in the field of nano-scale silicon carbide copper-based alloy materials, can solve problems such as difficult performance, and achieve the effects of performance improvement, high strength, and high wear resistance

Active Publication Date: 2013-09-18
SUZHOU JINCANG ALLOY NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in special applications, its performance is difficult to meet, such as aerospace high-strength pressure-resistant products, wear-resistant products for petroleum engineering equipment, and corrosion-resistant product accessories for marine engineering equipment.

Method used

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  • Method for preparing nanoscale silicon carbide copper alloy material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A preparation method of nano-scale silicon carbide copper-based alloy material:

[0025] Step 1: According to the national standard GB / T1176-1987 and the chemical composition requirements of the copper alloy material QAL9-4, put electrolytic copper, aluminum ingots and iron ingots into the electric furnace for melting according to the weight ratio, and control the copper according to the volume of the melting furnace during the melting period. The alloy liquid volume is 82% of the furnace volume; the melting temperature is 1300-1380°C; the time is 3-3.5 hours;

[0026] Step 2: detecting the composition of the copper alloy liquid formed after the copper alloy material is smelted.

[0027] Step 3: Put 10% of the total volume of nano-scale silicon carbide powder into the surface of the copper alloy liquid that has passed the inspection, turn on the vibration device of the power frequency electric furnace and stir it with a graphite rod to make it evenly mixed to form nano-...

Embodiment 2

[0032] A preparation method of nano-scale silicon carbide copper-based alloy material:

[0033] Step 1: According to the national standard GB / T1176-1987 and the chemical composition requirements of the copper alloy material QAL9-4, put electrolytic copper, aluminum ingots and iron ingots into the electric furnace for melting according to the weight ratio, and control the copper according to the volume of the melting furnace during the melting period. The alloy liquid volume is 82% of the furnace volume; the melting temperature is 1300-1380°C; the time is 3-3.5 hours;

[0034] Step 2: detecting the composition of the copper alloy liquid formed after the copper alloy material is smelted.

[0035] Step 3: Put 8% of the total volume of nano-scale silicon carbide powder on the surface of the copper alloy liquid that has passed the inspection, turn on the vibration device of the power frequency electric furnace and stir it with a graphite rod to make it evenly mixed to form nano-sca...

Embodiment 3

[0040] A preparation method of nano-scale silicon carbide copper-based alloy material:

[0041] Step 1: According to the national standard GB / T1176-1987 and the chemical composition requirements of the copper alloy material QAL9-4, put electrolytic copper, aluminum ingots and iron ingots into the electric furnace for melting according to the weight ratio, and control the copper according to the volume of the melting furnace during the melting period. The volume of the alloy liquid is 85% of the volume of the furnace; the melting temperature is 1300-1380°C; the time is 3-3.5 hours;

[0042] Step 2: detecting the composition of the copper alloy liquid formed after the copper alloy material is smelted.

[0043] Step 3: Put 5% of the total volume of nano-scale silicon carbide powder on the surface of the copper alloy liquid that has passed the inspection, turn on the vibration device of the power frequency electric furnace and stir with a graphite rod to make it evenly mixed to fo...

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Abstract

The invention provides a method for preparing a nanoscale silicon carbide copper alloy material. A nano silicon carbide copper alloy material which is 5-10% of total volume is evenly distributed in a copper alloy material; and the performance of the alloy material is further promoted by utilizing high hardness, high abrasive resistance, good self-lubricating property and high-temperature and high-strength performance of the nano silicon carbide. The invention also provides the nanoscale silicon carbide copper alloy material prepared by the method for preparing the nanoscale silicon carbide copper alloy material. The nanoscale silicon carbide copper alloy material comprises the following components in percentage by total volume: 5-10% of nanoscale silicon carbide (SiC) and 90-95% of copper alloy material ZQAL9-4. The novel nano alloy material prepared by the preparation method has high strength, hardness, abrasive resistance and corrosion resistance. Thus, the service life of an aerospace high-strength pressure product, wear part products of petroleum engineering equipment, and anticorrosion product parts of marine engineering equipment is prolonged.

Description

technical field [0001] The invention relates to a preparation method of a nano-scale silicon carbide copper-based alloy material and a nano-scale silicon carbide copper-based alloy material prepared according to the method. Background technique [0002] Nano-silicon carbide is a nano-material prepared on the basis of ordinary silicon carbide materials through certain technical conditions. Nano silicon carbide has high purity, small particle size, uniform distribution, large specific surface area, high surface activity, low bulk density, excellent mechanical, thermal, electrical and chemical properties, that is, high hardness, high wear resistance and good Excellent self-lubrication, high thermal conductivity, low thermal expansion coefficient and high temperature strength. [0003] The national standard copper alloy material ZQAL9-4 or the American standard alloy material C95400 is an aluminum bronze material. Due to its high strength, anti-friction, good corrosion resistan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C32/00C22C9/00C22C1/02C22C1/10
CPCC22C1/02C22C9/00C22C1/1036C22C32/0063B22F2999/00C22C1/1047B22F2202/01
Inventor 孙飞赵勇
Owner SUZHOU JINCANG ALLOY NEW MATERIAL
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