High-strength anticorrosion V-containing zinc alloy suitable for hot chamber die casting

A hot chamber die-casting and corrosion-resistant technology, which is applied in the field of alloys, can solve the problems of complex melting and pouring equipment and processes, toxic gas pollutes the environment, and damages alloy properties, etc., and achieves insensitivity to filling speed and mold temperature, and excellent flame retardancy performance, the effect of shortening the service life

Inactive Publication Date: 2018-06-01
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 their unavoidable defects, such as easy to produce toxic gas to pollute the environment and cause flux inclusions to damage the properties of the alloy
In addition, the smelting and pouring equipment and processes are complicated, which increases the cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A high-strength and corrosion-resistant zinc alloy containing V suitable for hot chamber die-casting when smelted at 450 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ba: 1.0wt.%, Ru: 0.4wt.%; V: 0.9wt.%, In: 0.6wt.%, Co: 0.8wt.%, Sb: 1.9wt.% .%, the balance is zinc. 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 450 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 450°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 12m / min. The ingot can be used as casting raw material for pressure casting in the subsequent process to prepare zinc-barium alloy castings with comp...

Embodiment 2

[0021]A high-strength and corrosion-resistant zinc alloy containing V suitable for hot chamber die-casting when smelted at 470 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ba: 1.2wt.%, Ru: 0.3wt.%; V: 1.0wt.%, In: 0.8wt.%, Co: 1.0wt.%, Sb: 2.0wt .%, the balance is zinc. 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 470 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 470 degrees 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 12m / min. The ingot can be used as casting raw material for pressure casting in the subsequent process to prepare zinc-barium alloy castings with c...

Embodiment 3

[0024] A high-strength and corrosion-resistant zinc alloy smelted at 490 degrees is suitable for hot chamber die-casting. In terms of weight percentage, the chemical composition of the alloy is: Ba: 1.4wt.%, Ru: 0.3wt.%; V: 0.9wt.%, In: 0.7wt.%, Co: 0.9wt.%, Sb: 2.1wt .%, the balance is zinc. 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 490 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 490 degrees 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 12m / min. The ingot can be used as casting raw material for pressure casting in the subsequent process to prepare zinc-barium alloy castings with complex shapes;...

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Abstract

The invention discloses high-strength anticorrosion V-containing zinc alloy suitable for hot chamber die casting and a processing technology of the high-strength anticorrosion V-containing zinc alloy.The high-strength anticorrosion V-containing zinc alloy is prepared from the following components by weight percent: 0.8 to 1.5 percent of Ba, 0.3 to 0.5 percent of Ru, 0.8 to 1.2 percent of V, 0.5 to 0.8 percent of In, 0.5 to 1.0 percent of Co, 1.5 to 2.4 percent of Sb, and the balance of zinc. The zinc-barium alloy has excellent die casting performance and can also be cast by adopting a hot chamber. The high-strength anticorrosion V-containing zinc alloy has excellent mechanical performance and anticorrosion performance and can be widely applied in the industries such as transportation, power electronics, machinery, national defense and military industry.

Description

technical field [0001] The invention relates to the technical field of alloys, in particular to a zinc-barium alloy. Background technique [0002] Zinc and zinc alloys are widely used in transportation, power electronics, machinery, national defense and military industries due to their high strength, good electrical and thermal conductivity, and excellent wear and corrosion resistance. Adding tin, aluminum, lead, manganese, silicon and other elements to zinc can significantly improve the wear resistance and corrosion resistance of the alloy on the premise of keeping its mechanical properties and process properties basically unchanged. Zinc alloy can be used in the manufacture of cylinder piston pin bushings, auxiliary connecting rod bushings, bearings and bearing linings, discs and washers in automobiles and other industrial sectors to withstand friction; it is also widely used as bushings, bushings, High-strength, high-wear-resistant structural parts such as rocker arms an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C18/00C22C1/02C22F1/02C22F1/16
CPCC22C18/00C22C1/02C22F1/02C22F1/165
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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