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Anti-corrosion die-casting aluminum alloy

A cast aluminum alloy, corrosion-resistant technology, applied in the field of aluminum alloys, can solve the problems of extremely high corrosion resistance and poor corrosion resistance.

Inactive Publication Date: 2016-12-07
QINGYUAN SHUNBO ALUMINUM ALLOY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since die-casting aluminum alloys are mostly used in very harsh external environments, the requirements for their corrosion resistance are extremely high
However, the die-casting aluminum alloys in the prior art have poor corrosion resistance and cannot meet this requirement.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0134] A corrosion-resistant die-casting aluminum alloy, calculated in parts by mass, comprising the following components:

[0135] Al: 100 copies;

[0136] Si: 15.5-20.5 parts;

[0137] Cu: 0.08-0.20 parts;

[0138] Mg: 0.3-0.5 parts;

[0139] Mn: 0.3-0.5 parts;

[0140] Zn: 0-0.10 parts;

[0141] In: 0.3-1.0 parts;

[0142] Fe: 1.8-3.0 parts;

[0143] V: 0.3-1.0 copies;

[0144] Ti: 1.03-3.15 parts;

[0145] Al is the main body, and the rest constitute additives.

[0146] The equipment of the present invention is calculated in parts by mass. When the content of Al in the aluminum alloy is 100 moles, the content of Si is 15.5-20.5 moles, the content of Cu is 0.08-0.20 moles, and the contents of other elements are analogized accordingly.

[0147] The corrosion-resistant die-casting aluminum alloy is prepared by the following process:

[0148] A. Pre-configure additives according to the proportion of ingredients;

[0149] B. Preheat the blast furnace in advance. When...

Embodiment 2

[0173]A corrosion-resistant die-casting aluminum alloy, the other characteristics of which are the same as those in Example 1, except that the corrosion-resistant die-casting aluminum alloy includes the following components in parts by mass,

[0174] Al: 100 copies;

[0175] Si: 17-19 parts;

[0176] Cu: 0.12-0.18 parts;

[0177] Mg: 0.35-0.45 parts;

[0178] Mn: 0.35-0.45 parts;

[0179] Zn: 0.03-0.07 parts;

[0180] In: 0.4-0.7 parts;

[0181] Fe: 2.0-2.8 parts;

[0182] V: 0.5-0.7 copies;

[0183] Ti: 1.5-2.7 parts;

[0184] Al is the main body, and the rest constitute additives.

[0185] Using the corrosion-resistant die-casting aluminum alloy equipped with this equipment, when it is prepared in large quantities, the performance of the corrosion-resistant die-casting aluminum alloy between different batches is consistent and stable.

[0186] The corrosion-resistant die-casting aluminum alloy of the present invention has a dense structure, fine crystals, no bright ...

Embodiment 3

[0188] A corrosion-resistant die-casting aluminum alloy, the other characteristics of which are the same as those in Example 1, except that the corrosion-resistant die-casting aluminum alloy includes the following components in parts by mass,

[0189] Al: 100 copies;

[0190] Si: 18 parts;

[0191] Cu: 0.15 parts;

[0192] Mg: 0.4 parts;

[0193] Mn: 0.4 parts;

[0194] Zn: 0.05 parts;

[0195] In: 0.6 copies;

[0196] Fe: 2.5 parts;

[0197] V: 0.6 copies;

[0198] Ti: 2.0 parts;

[0199] Al is the main body, and the rest constitute additives.

[0200] The corrosion-resistant die-casting aluminum alloy of the present invention has a dense structure, fine crystals, no bright spots, no shrinkage cavities, and no molten slag. Good tensile strength and good corrosion resistance.

[0201] Using the corrosion-resistant die-casting aluminum alloy as a raw material for communication metal structural parts, metal structural parts of base station supporting devices, vehicles,...

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PUM

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Abstract

The invention relates to an anti-corrosion die-casting aluminum alloy. The anti-corrosion die-casting aluminum alloy comprises, by mass, 100 parts of Al, 15.5-20.5 parts of Si, 0.08-0.20 part of Cu, 0.3-0.5 part of Mg, 0.3-0.5 part of Mn, 0-0.1 part of Zn, 0.3-1.0 part of In, 1.8-3.0 parts of Fe, 0.3-1.0 part of V and 1.03-3.15 parts of Ti; and the Al serves as a main part, and the rest of components forms an additive. The aluminum alloy is prepared through the step A to step P. The anti-corrosion die-casting aluminum alloy is excellent in anti-corrosion performance, and the overall performance is better.

Description

technical field [0001] The invention relates to the technical field of aluminum alloys, in particular to a corrosion-resistant die-casting aluminum alloy. Background technique [0002] Aluminum alloy is one of the most important raw materials in the industrial field. In modern society, die-casting aluminum alloy parts are widely used in various industries. Aluminum alloy die-casting products are mainly used in electronics, automobiles, motors, home appliances and some communication industries. [0003] Die-cast aluminum alloy has the characteristics of wide die-casting range, high dimensional accuracy of die-casting parts, low surface roughness, high production efficiency, high metal utilization rate, high casting strength and surface hardness, etc. However, since die-casting aluminum alloys are mostly used in very harsh external environments, the requirements for their corrosion resistance are extremely high. However, the die-casting aluminum alloys in the prior art have ...

Claims

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Application Information

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IPC IPC(8): C22C21/02C22C1/02C22C1/06
CPCC22C21/02C22C1/026C22C1/06
Inventor 王启王赟陈泰山
Owner QINGYUAN SHUNBO ALUMINUM ALLOY
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