High-wear-resistance Ba-Os-Ge zinc alloy suitable for hot-chamber die casting

A ba-os-ge, hot-chamber die-casting technology, applied in the field of alloys, can solve the problems of complex smelting and pouring equipment and processes, toxic gases pollute the environment, damage alloy properties, etc. Excellent flame retardant performance, low air intake effect

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 wear-resistant Ba-Os-Ge zinc alloy suitable for hot chamber die-casting smelted at 450 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ba: 1.0wt.%, Os: 0.3wt.%; Ge: 1.8wt.%, Nb: 0.4wt.%, Pt: 0.3wt.%, Ce: 0.2wt. .%, the balance is zinc. The preparation method of the alloy: add the above-mentioned raw materials into an induction electric furnace protected by the atmosphere, and use a silicon carbide crucible; induction heating to 450 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; After standing at 450°C for 10 minutes, it is poured into the hot top and the same level equipment for semi-continuous casting into the required square ingots and round ingots, and the ingot moving speed is 12m / min. The ingot can be used as a casting material for pressure casting in the subsequent process to prepare zinc-barium alloy castings with complex shapes; the final heat treatment p...

Embodiment 2

[0021] A high wear-resistant Ba-Os-Ge zinc alloy suitable for hot chamber die casting at 470 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ba: 1.1wt.%, Os: 0.3wt.%; Ge: 1.6wt.%, Nb: 0.4wt.%, Pt: 0.3wt.%, Ce: 0.2wt .%, the balance is zinc. The preparation method of the alloy: add the above-mentioned raw materials into the atmosphere protected induction electric furnace, and use a silicon carbide crucible; induction heating to 470 degrees to form an alloy solution, and use the electromagnetic stirring effect to fully stir for about 10 minutes; After standing at 470°C for 10 minutes, it is cast into the hot top and the same level equipment for semi-continuous casting into the required square ingots and round ingots. The downward moving speed of the ingot is 12m / min. The ingot can be used as a casting material for pressure casting in the subsequent process to prepare zinc-barium alloy castings with complex shapes; the final heat treatment proces...

Embodiment 3

[0024] A high wear-resistant Ba-Os-Ge zinc alloy suitable for hot chamber die-casting at 490 degrees. In terms of weight percentage, the chemical composition of the alloy is: Ba: 1.0wt.%, Os: 0.3wt.%; Ge: 1.8wt.%, Nb: 0.4wt.%, Pt: 0.3wt.%, Ce: 0.3wt .%, the balance is zinc. The preparation method of the alloy: add the above-mentioned raw materials into an induction electric furnace protected by the atmosphere, 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; After standing at 490°C for 10 minutes, it is cast into the hot top and the same level equipment for semi-continuous casting into the required square ingots and round ingots. The ingot moves down at 16m / min. The ingot can be used as a casting material for pressure casting in the subsequent process to prepare zinc-barium alloy castings with complex shapes; the final heat treatment process of these cast...

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PUM

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Abstract

The invention discloses high-wear-resistance Ba-Os-Ge zinc alloy suitable for hot-chamber die casting and a processing technology of the high-wear-resistance Ba-Os-Ge zinc alloy. The high-wear-resistance Ba-Os-Ge zinc alloy is prepared from the following components by weight percent: 0.9 to 1.2 percent of Ba, 0.2 to 0.4 percent of Os, 1.5 to 2.0 percent of Ge, 0.3 to 0.5 percent of Nb, 0.2 to 0.5percent of Pt, 0.2 to 0.4 percent of Ce and the balance of zinc. The zinc-barium alloy has excellent die casting performance and can be die cast by adopting a hot chamber. The high-wear-resistance Ba-Os-Ge zinc alloy has excellent mechanical performance and wear resistance and can be widely applied to 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. The addition of tin, aluminum, lead, manganese, silicon and other elements to zinc can significantly improve the wear resistance and corrosion resistance of the alloy while keeping its mechanical properties and process properties basically unchanged. Zinc alloy can be used to manufacture cylinder piston pin bushings, auxiliary connecting rod bushings, bearings and bearing linings, discs and washers in the automobile and other industrial sectors; it is also used in large quantities as bushings, bushings, High-strength, high-wear structural parts such as rocker arms and bearings; in addition, zinc a...

Claims

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Application Information

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IPC IPC(8): C22C18/00C22C1/02C22F1/16C22F1/02
CPCC22C18/00C22C1/02C22F1/02C22F1/165
Inventor 杨长江
Owner GUANGZHOU YUZHI TECH CO LTD
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