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A kind of preparation method of iron-copper bonding material

A combination of materials, iron-copper technology, applied in the field of materials, can solve problems such as complex process, affecting bonding strength, unstable yield, etc., to achieve the effect of firm contact surface, protection of alloy performance, and improvement of elongation

Inactive Publication Date: 2017-07-25
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The key step of compounding is in the late rolling or explosive contact stage, the process is complex or the yield is unstable, especially at the junction of dissimilar metals, there are many inclusions, which affects the bonding strength between the two metals

Method used

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  • A kind of preparation method of iron-copper bonding material
  • A kind of preparation method of iron-copper bonding material
  • A kind of preparation method of iron-copper bonding material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Prepare an iron alloy with a weight purity of 99%; process the iron alloy into a drum shape to make an iron drum with a wall thickness of 5mm; remove the oil on the surface of the iron drum;

[0045] Prepare copper alloy raw material electrolytic copper, tin bronze and phosphor copper powder, require the composition of all raw materials to contain Cu56% by weight percentage, and prepare carbonaceous material accounting for 0.5% of the total weight of copper alloy raw material, and the carbonaceous material is charcoal;

[0046] Put the copper alloy raw material and carbonaceous material into the iron drum after mixing. The total volume of the copper alloy raw material and carbonaceous material is 20% of the total volume of the inner space of the iron drum; the iron cover with a round hole in the center is welded and fixed on the iron drum. On the barrel, the round hole communicates with the inside of the iron barrel; then put the iron barrel in a heating furnace, heat it...

Embodiment 2

[0052] Prepare ferroalloy with a weight content of Fe of 98%; process ferroalloy into a barrel shape to make an iron drum with a wall thickness of 10mm; remove surface oil from the iron drum;

[0053] Prepare copper alloy raw materials tin bronze and phosphor bronze powder, require the composition of all raw materials to contain Cu75% by weight percentage, and prepare carbonaceous material accounting for 1% of copper alloy raw material gross weight, described carbonaceous material is graphite;

[0054] Put the copper alloy raw material and carbonaceous material into the iron drum after mixing. The total volume of the copper alloy raw material and carbonaceous material is 40% of the total volume of the inner space of the iron drum; the iron cover with a round hole in the center is welded and fixed on the iron drum. On the barrel, the round hole is connected with the inside of the iron barrel; then the iron barrel is placed in a heating furnace, heated to 1150 ° C, kept for 40 mi...

Embodiment 3

[0060] Prepare ferroalloy with a weight content of 97% of Fe; process the ferroalloy into a drum shape to make an iron drum with a wall thickness of 20mm; remove surface oil from the iron drum;

[0061] Prepare copper alloy raw material electrolytic copper and tin bronze, require the composition of all raw materials to contain Cu90% by weight percentage, and prepare carbonaceous material accounting for 1.5% of the total weight of copper alloy raw material, and described carbonaceous material is graphite;

[0062] Put the copper alloy raw material and carbonaceous material into the iron drum after mixing. The total volume of the copper alloy raw material and carbonaceous material is 60% of the total volume of the inner space of the iron drum; the iron cover with a round hole in the center is welded and fixed on the iron drum. On the barrel, the round hole is connected with the inside of the iron barrel; then the iron barrel is placed in a heating furnace, heated to 1250 ° C, kep...

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Abstract

An iron-copper bonded material and a preparation method thereof, belonging to the field of material technology, are formed by combining two metals, one metal is an iron alloy, and the other metal is a copper alloy; the joint of the two metals is in the form of atomic bonding; the preparation The method is: (1) process the iron alloy into an iron drum; (2) prepare the copper alloy raw material and carbonaceous material; (3) put the copper alloy raw material and carbonaceous material into the iron drum, and weld the iron cover on the iron drum , placed in a heating furnace, heated to form a melt; (4) centrifuged in a centrifuge until it is completely solidified into a copper alloy; placed in casting sand and cooled to room temperature; (5) cut along the vertical direction of the axis to obtain a double Metal disc; (6) Rolled into ring-shaped bimetallic sheet. The iron-copper bonding material in the present invention can be applied in bridging welding of dissimilar metals, high-temperature automatic protection of nuclear power plants, automatic control devices in unmanned environments, microgravity electric rotor connectors, and the like.

Description

technical field [0001] The invention belongs to the technical field of materials, in particular to an iron-copper bonded material and a preparation method thereof. Background technique [0002] In the research and application of traditional industries, steel and copper alloys are classified as ferrous metals and non-ferrous metals respectively due to their large differences in physical and chemical properties; In different fields, such as electronics, information, transportation, energy, metallurgy, electromechanical, etc., it plays an important role as a material. With the development of science and technology and modern industry, some emerging high-tech fields put forward new requirements for the performance of heterogeneous materials with different physical and mechanical properties at both ends: in some special environments of nuclear power plants, in both When the high temperature is close to 1,000 degrees, but exceeds 1,000 degrees, some equipment must be shut down in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D19/16
Inventor 陈进耿王群骄崔建忠
Owner NORTHEASTERN UNIV LIAONING
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