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Method for prolonging life of aluminum alloy preparation die

A mold life and aluminum alloy technology, which is applied in the field of improving the mold life of aluminum alloys, can solve the problems of high cost, low production efficiency, and low life, and achieve the effects of improving life, increasing service life, and reducing loss

Active Publication Date: 2020-08-11
佛山市三水凤铝铝业有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention proposes a method for increasing the service life of the dies used for the production of aluminum alloys to solve the problems in the prior art that the dies used for the production of aluminum alloys have low service life, high cost and low production efficiency

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  • Method for prolonging life of aluminum alloy preparation die
  • Method for prolonging life of aluminum alloy preparation die
  • Method for prolonging life of aluminum alloy preparation die

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Embodiment 1

[0036] In the first aspect, this embodiment provides a method for improving the life of a mold for preparing an aluminum alloy, the aluminum alloy is an aluminum alloy containing Zr, and the preparation of the aluminum alloy containing Zr includes the following steps:

[0037] S1: batching, according to production demand, be equipped with the raw material of Zr-containing aluminum alloy;

[0038] S2: smelting, adding the raw material of aluminum element in the ingredients into the smelting furnace, increasing the temperature, adding instant Zr agent after the raw material of aluminum element melts, adding other raw materials in turn after the raw material of aluminum element melts, and stirring in the smelting furnace After the raw materials are fully melted, a uniform melt A is obtained, and the composition of the furnace is detected when the melt in the melting furnace is stirred. If the composition is unqualified, the corresponding raw materials need to be supplemented until...

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Abstract

The invention provides a method for prolonging the life of an aluminum alloy preparation die. According to the method, the aluminum alloy is Zr-containing aluminum alloy, the element Zr is added in the smelting and casting process in combination with an induction furnace which is adopted before extrusion to heat a cast rod of the Zr-containing aluminum alloy to the temperature of 500-540 DEG C atthe heating rate of 80-120 DEG C / min, therefore, a stable crystal structure can be formed, extrusion force can be lowered on the premise of guaranteeing extrusion quality, then extrusion capacity is increased, die cracks are reduced, and higher economic benefit is obtained. Through the method, the problem that in the prior art, the die is prone to cracking in the process of preparing the Zr-containing aluminum alloy is solved.

Description

technical field [0001] The invention relates to the field of aluminum alloy preparation, in particular to a method for improving the service life of a mold for preparing aluminum alloy. Background technique [0002] Al-Zn-Mg series aluminum alloy is an ideal structural material due to its excellent mechanical properties and welding properties, but it has not been widely used due to its poor corrosion performance. Moreover, when this type of alloy is in an environment higher than 500 ° C, the ability to control the crystal orientation drops sharply, which makes the corrosion resistance of the material worse. In addition, due to the high deformation resistance of this type of alloy in the thermal processing temperature range, it is very easy to crack the mold bridge, resulting in low mold life and high production costs. In response to this situation, the current main countermeasures are: ① Optimize the mold design and improve the strength of the mold. ②Purify the mold steel ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/03C22C21/10C22F1/053
CPCC22C1/026C22C1/03C22C21/10C22F1/002C22F1/053
Inventor 万里彭涛刘荣超邓涛涛
Owner 佛山市三水凤铝铝业有限公司
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