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High-heat-storage-density tin alloy with working temperature less than 100 DEG C and technology thereof

A technology of working temperature and tin alloy, applied in the alloy field, can solve the problems of low heat storage density, low thermal conductivity, strong corrosion, etc., and achieve the effects of low surface tension, extended diffusion, and reduced design life

Inactive Publication Date: 2019-01-18
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, they have the disadvantages of low heat storage density, low thermal conductivity, strong corrosion and easy decomposition at high temperature.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A high heat storage density tin alloy with a working temperature of less than 100 degrees and its technology. In terms of weight percentage, the composition of the alloy is Cd: 15.0wt.%, Pb: 6.0wt.%, Bi: 8.4wt.%, Sb: 1.2wt.%, Ga: 2.0wt.%, Y: 0.2wt.% , Cu: 0.1wt.%, Sr: 0.4wt.%, and the balance is tin. The above-mentioned high heat storage density tin alloy with an operating temperature of less than 100 degrees and its process includes the following smelting steps (under protective conditions): melting the above-mentioned raw materials in a crucible resistance furnace, wherein the active elements are in the form of master alloys Add; use graphite crucible and argon protection during the smelting process; heat the crucible to 300-350 degrees to form an alloy melt, and use the electromagnetic stirring effect to fully stir for about 15 minutes; keep the alloy melt at 300 degrees for 15 minutes Cast into water glass or graphite mold for casting.

[0020] The alloy has a pha...

Embodiment 2

[0022]A high heat storage density tin alloy with a working temperature of less than 100 degrees and its technology. In terms of weight percentage, the composition of the alloy is Cd: 18.0wt.%, Pb: 6.5wt.%, Bi: 8.6wt.%, Sb: 1.5wt.%, Ga: 2.5wt.%, Y: 0.3wt.% , Cu: 0.2wt.%, Sr: 0.5wt.%, and the balance is tin. The above-mentioned high heat storage density tin alloy with an operating temperature of less than 100 degrees and its process includes the following smelting steps (under protective conditions): melting the above-mentioned raw materials in a crucible resistance furnace, wherein the active elements are in the form of master alloys Add; use graphite crucible and argon protection during the smelting process; heat the crucible to 300-350 degrees to form an alloy melt, and use the electromagnetic stirring effect to fully stir for about 15 minutes; keep the alloy melt at 300 degrees for 15 minutes Cast into water glass or graphite mold for casting.

[0023] The phase transition...

Embodiment 3

[0025] A high heat storage density tin alloy with a working temperature of less than 100 degrees and its technology. In terms of weight percentage, the composition of the alloy is Cd: 15.2wt.%, Pb: 6.4wt.%, Bi: 8.5wt.%, Sb: 1.3wt.%, Ga: 2.4wt.%, Y: 0.2wt.% , Cu: 0.1wt.%, Sr: 0.4wt.%, and the balance is tin. The above-mentioned high heat storage density tin alloy with an operating temperature of less than 100 degrees and its process includes the following smelting steps (under protective conditions): melting the above-mentioned raw materials in a crucible resistance furnace, wherein the active elements are in the form of master alloys Add; use graphite crucible and argon protection during the smelting process; heat the crucible to 300-350 degrees to form an alloy melt, and use the electromagnetic stirring effect to fully stir for about 15 minutes; keep the alloy melt at 300 degrees for 15 minutes Cast into water glass or graphite mold for casting.

[0026] The phase transitio...

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Abstract

The invention discloses a high-heat-storage-density tin alloy with working temperature less than 100 DEG C and a technology thereof. The alloy is prepared from the following components in percentage by weight: 15.0 to 18.0 weight percent of Cd, 6.0 to 6.5 weight percent of Pb, 8.4 to 8.6 weight percent of Bi, 1.2 to 1.5 weight percent of Sb, 2.0 to 2.5 weight percent of Ga, 0.2 to 0.3 weight percent of Y, 0.1 to 0.2 weight percent of Cu, 0.4 to 0.5 weight percent of Sr and the balance of tin. The material provided by the invention provides the tin alloy with the working temperature less than 100 DEG C for storing energy for the field of energy storage of alloys; a melt has excellent oxidization-resisting performance, thermophysical performance and thermal cycling performance. The difficulties of a current heat storage field can be overcome, and extremely great social value and market value also can be obtained while technical problems in the field of energy-storage alloys are solved.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a tin alloy. Background technique [0002] With the rapid economic development and the improvement of human living standards, the existing fossil energy can no longer meet the long-term needs of human beings. Since the exploitation and use of fossil energy has also brought about environmental pollution and climate change, the development of renewable energy has become extremely important in today's extremely strict environmental protection. It can be predicted that renewable clean energy will have a broad application prospect in the future. However, renewable energy in nature has the characteristics of intermittent and unstable, which seriously restricts the development and utilization of renewable clean energy in nature, so energy storage technology emerges as the times require. [0003] Generally speaking, renewable clean energy includes natural energy such as solar energy and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C13/00C22C1/03
CPCC22C1/03C22C13/00
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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