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Method for smelting metal-based nano composite material

A technology of nanocomposite materials and smelting methods, which is applied in the field of smelting of metal-based nanocomposites, can solve the problems that limit the application of metal nanocomposites, and achieve the effects of improving wear resistance, wide application prospects, and high tensile strength

Inactive Publication Date: 2009-05-13
杨树桐
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Limits the application of metal nanocomposites in many important fields

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] The smelting method of metal-based nanomaterials is:

[0014] A. Clean the granular or small piece of steel 16Mn, install it in a heat treatment furnace, and cover it with nano-diamond powder for heat penetration. The temperature of infiltrating nano-diamond powder should be in the austenite region, that is, it should be in the Fe-Fe 3 Above the C-S-E line in the C phase diagram and below the N-J-E line, the iron is r-iron at this time, and it is in a face-centered cubic lattice and has affinity with diamond. The retention time of infiltrated nano-diamond powder is generally t≥4 hours.

[0015] B. When smelting 16Mn steel, add the prepared nano-16Mn particles or small pieces with a total weight of 0.5‰ to 80% of the smelted 16Mn into the smelting furnace, and leave the furnace after being mixed evenly.

Embodiment 2

[0017] The metal matrix nanocomposite smelting method is:

[0018] A. Put ZL101AT6 particles or small pieces in a heat treatment furnace and bury them in nano-alumina powder, and use the same method as in Example 1 to make nano ZL101AT6 particles or small pieces.

[0019] B. In the process of smelting ZL101AT6, add the above-mentioned nano ZL101AT6 particles or small pieces in the smelting furnace according to the total amount of smelting from 0.5‰ to 80% by weight, mix them evenly, and release them from the furnace, which is the finished product.

Embodiment 3

[0021] The metal matrix nanocomposite smelting method is:

[0022] A. Mix 50% iron powder and 50% diamond nanopowder evenly, then cold forge and shape, and sinter at a temperature of 723-1000°C to make a nanocomposite material.

[0023] B. When smelting ordinary carbon structural steel, during the smelting process, add 0.5‰ to 80% of the total amount of smelted metal into the smelting furnace melt, and add the above-mentioned nanocomposite material, which is smelted evenly and released from the furnace, which is the finished product.

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Abstract

The invention discloses a metallurgical method of metal-based nanometer composite material, which comprises the following steps: preparing metal particle or block; adopting heat penetrating method to prepare nanometer composite particle or metal nanometer block through diamond or ceramic nanometer powder; setting the metal quantity at 5-80% in the fusing furnace; smelting evenly; discharging. The invention possesses high extending strength, fatigue strength and hardness.

Description

technical field [0001] The invention relates to a method for smelting a composite material, in particular to a method for smelting a metal-based nanocomposite material. Background technique [0002] Since the beginning of the 21st century, human beings have invested huge manpower and material resources in order to solve energy problems, environmental protection problems, effective use of resources, and to meet the needs of new materials, especially nano and nano composite materials, in IT industry, bioengineering and other scientific and technological fields. . But at present, only powdery or small pieces of metal nanocomposites and metal matrix composites can be produced. Bulk metal nanocomposites and metal matrix composites have not yet been developed. This limits the application of metal nanocomposites in many important fields. Contents of the invention [0003] The object of the present invention is to provide a method for producing bulk metal matrix nanocomposites....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C1/00C22C33/00
Inventor 杨树桐段占强薛航贾春德张国徽
Owner 杨树桐
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