Flexible In-Li-Re indium lithium alloy with corrosion resistance, high thermal conductivity and high conductivity

A technology with high thermal conductivity and corrosion resistance, which is applied in the field of alloys, can solve the problems that the anti-combustion performance cannot meet the requirements, achieve excellent alloy yield, solve the effects of high hot cracking tendency and low production cost

Inactive Publication Date: 2018-06-08
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as an indium alloy, it is far from enough to meet the requirements of only having combustion resistance during smelting. More importantly, the final indium-lithium alloy product must also have satisfactory flexibility, corrosion resistance, and electrical conductivity. and heat transfer performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A flexible, corrosion-resistant, high thermal conductivity and high electrical conductivity In-Li-Re indium lithium alloy smelted at 190 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.8wt.%, Re: 0.3wt.%, Ni: 0.6wt.%, Se: 0.3wt.%, Pd: 0.2wt.%, La: 0.2wt .%, the balance is indium. The preparation method of the alloy: add the above-mentioned raw materials into the atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heating to 190 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy liquid in After standing at 190°C for 10 minutes, it is poured into the equipment at the same level as the hot top for semi-continuous casting into the required square and round ingots, with the ingot moving down at a speed of 8m / min. The ingot can be used as a raw material for press processing in a subsequent process to prepare the desired filam...

Embodiment 2

[0019]A flexible, corrosion-resistant, high thermal conductivity and high electrical conductivity In-Li-Re indium-lithium alloy smelted at 210 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.8wt.%, Re: 0.4wt.%, Ni: 0.7wt.%, Se: 0.2wt.%, Pd: 0.2wt.%, La: 0.1wt .%, the balance is indium. The preparation method of the alloy: add the above-mentioned raw materials into the atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heat to 210 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy liquid in After standing at 210°C for 10 minutes, it is cast into the equipment at the same level as the hot top for semi-continuous casting into the required square and round ingots. The ingot moves down at a speed of 10m / min. The ingot can be used as a raw material for press processing in a subsequent process to prepare the desired filamentous or t...

Embodiment 3

[0021] A flexible, corrosion-resistant, high thermal conductivity and high electrical conductivity In-Li-Re indium lithium alloy melted at 240 degrees. In terms of weight percentage, the chemical composition of the alloy is: Li: 1.8wt.%, Re: 0.4wt.%, Ni: 0.7wt.%, Se: 0.2wt.%, Pd: 0.2wt.%, La: 0.1wt .%, the balance is indium. The preparation method of the alloy: add the above-mentioned raw materials into the atmosphere-protected induction furnace, and use a silicon carbide crucible; induction heat to 240 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy liquid in After standing at 240°C for 10 minutes, it is cast into the equipment at the same level as the hot top for semi-continuous casting into the required square and round ingots. The ingot moves down at a speed of 10m / min. The ingot can be used as a raw material for press processing in a subsequent process to prepare the desired filamentous or t...

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PUM

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Abstract

The invention discloses a flexible In-Li-Re indium lithium alloy with corrosion resistance, high thermal conductivity and high conductivity. The flexible In-Li-Re indium lithium alloy consists of thefollowing components in percentage by weight: 1.6-2.1wt% of Li, 0.3-0.5wt% of Re, 0.6-0.8wt% of Ni, 0.2-0.3wt% of Se, 0.1-0.3wt% of Pd, 0.1-0.2wt% of La and the balance of indium. The indium lithium alloy has high thermal conductivity, high conductivity and corrosion resistance which are not provided in a conventional indium alloy, has flexibility of pure lithium, and has a melting point of 120-140 DEG C. The alloy is great in calorific value, is further applied specifically in an occasion which needs a light apparatus, and is convenient for industrial large-scale application.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to an indium-lithium alloy. Background technique [0002] Indium is a rare metal, and its content in the earth's crust is similar to that of silver, but its output is only 1% of silver. Indium alloys are generally divided into binary alloys, ternary alloys and multi-element alloys. The main indium alloys are: bearing alloys, ferromagnetic alloys, memory alloys, decorative alloys, dental and gemstone alloys. Generally, indium alloys with indium as the main body have relatively low melting temperatures, and are mainly used as some low melting point alloys or solders. Some alloys contain very little indium, and indium mainly plays a role in modification or modification, such as improving the strength of non-ferrous metal alloys, improving their ductility, wear resistance, and corrosion resistance, and changing the color of precious metals. [0003] Indium metal is widely used in hi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C28/00C22C1/02
CPCC22C28/00C22C1/02
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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