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High thermal conductive antimony alloy containing Re and In for replacing heat treatment lead bath

An antimony alloy, high thermal conductivity technology, applied in the field of alloys, can solve the problem of not fundamentally eliminating lead pollution, etc., and achieve excellent flow characteristics, low cost, excellent resistance to volatility and oxidation.

Inactive Publication Date: 2018-08-17
GUANGZHOU YUZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these two methods have not fundamentally eliminated the lead pollution problem encountered in the heat treatment process.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A high thermal conductivity antimony alloy containing Re and In for use at 490 degrees instead of lead bath for heat treatment. In terms of weight percentage, the chemical composition of the alloy is: Ba: 1.5wt.%, Re: 0.6wt.%, In: 2.4wt.%, Y: 0.2wt.%, Th: 0.1wt.%, Co: 1.5wt .%, the balance is antimony. 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 700-800 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy The liquid is kept at 700-800 degrees for 10 minutes and then cast into the equipment at the same level as the hot top for semi-continuous casting into the required round ingot. The ingot moves down at a speed of 6m / min. The material is used for troostite heat treatment of iron and steel materials in an antimony bath; wherein, the use temperature of the antim...

Embodiment 2

[0022] A high thermal conductivity antimony alloy containing Re and In for use at 520 degrees instead of lead bath for heat treatment. By weight percentage. In terms of weight percentage, the chemical composition of the alloy is: Ba: 1.8wt.%, Re: 0.9wt.%, In: 2.4wt.%, Y: 0.2wt.%, Th: 0.1wt.%, Co: 1.6wt .%, the balance is antimony. 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 700-800 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy The liquid is kept at 700-800 degrees for 10 minutes and then cast into the equipment at the same level as the hot top for semi-continuous casting into the required round ingot. The ingot moves down at a speed of 8m / min. The material is used for troostite heat treatment of iron and steel materials in an antimony bath; wherein, the use t...

Embodiment 3

[0025] An antimony alloy containing Re and In with high thermal conductivity for use at 540 degrees instead of lead bath for heat treatment. By weight percentage. In terms of weight percentage, the chemical composition of the alloy is: Ba: 1.4wt.%, Re: 0.8wt.%, In: 2.1wt.%, Y: 0.2wt.%, Th: 0.2wt.%, Co: 1.8wt .%, the balance is antimony. 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 700-800 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; put the alloy The liquid is kept at 700-800 degrees for 10 minutes and then cast into the equipment at the same level as the hot top for semi-continuous casting into the required round ingot. The ingot moves down at a speed of 8m / min. The material is used for troostite heat treatment of iron and steel materials in an antimony bath; wherein, the...

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PUM

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Abstract

The invention discloses a high thermal conductive antimony alloy containing Re and In for replacing heat treatment lead bath and a processing technology thereof. The high thermal conductive antimony alloy comprises, by weight, 1.0-2.0% of Ba, 0.5-1.0% of Re, 2.0-3.0% of In, 0.2-0.4% of Y, 0.1-0.3% of Th, 1.0-2.0% of Co and the balance antimony. The antimony bath alloy is used for replacing a leadbath alloy for heat treatment, the contact between a steel wire and air is limited, and decarburization is prevented. Compared with an ordinary heating method, the hardness of the steel wire surface is improved, the possibility of crack formation and expansion is reduced, and the fatigue property of the steel wire is improved.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to an antimony bath alloy. Background technique [0002] The hot-rolled wire rod will produce large deformation during the drawing process, which will cause work hardening, resulting in uneven internal stress of the wire rod, and fracture in the subsequent deep processing process. The uniformity of the high-strength wire rod is the key factor affecting the subsequent processing of the wire rod. The higher the strength of the wire, the higher the requirement for its uniformity. Rope-making steel wire is made of hot-rolled wire rod through multi-pass drawing. In the process of steel wire drawing, in order to eliminate its work hardening, it is necessary to toughen the steel wire to transform it into a fine pearlite (sorbite) structure that is conducive to deep drawing, that is, the sorbite treatment of the steel wire. [0003] The traditional sorbite treatment of rope-making steel wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C12/00C22C1/02C21D1/56C21D9/52
CPCC22C12/00C21D1/56C21D9/525C22C1/02
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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