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2050 alloy homogenizing method

A homogenization and alloying technology, applied in the field of homogenization heat treatment, can solve the problem of no homogenization heat treatment process, and achieve the effect of avoiding element segregation and ensuring sufficient homogenization.

Inactive Publication Date: 2017-09-26
SOUTHWEST ALUMINUM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no suitable homogenization heat treatment process for 2050 series alloys

Method used

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Embodiment Construction

[0016] The core of the invention is to provide a homogenization method for 2050 alloy, which avoids serious element segregation and ensures sufficient homogenization of the chemical composition of the alloy.

[0017] In order to enable those skilled in the art to better understand the technical solutions provided by the present invention, the present invention will be further described in detail below in conjunction with specific embodiments.

[0018] A kind of 2050 alloy homogenization method provided by the present invention comprises the following steps:

[0019] The first step: when the temperature of the heating furnace is below 275°C-285°C, the 2050 alloy is put into the heating furnace for charging.

[0020] Step 2: Set the temperature of the heating furnace to T1: 450°C-480°C. After the measured temperature of the 2050 alloy reaches the set temperature T1 or within 5°C of the set temperature T1, keep it warm for 7.5h-8.5h;

[0021] Step 3: Set the temperature of the h...

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Abstract

The invention provides a 2050 alloy homogenizing method. By carrying out preheating of a 2050 alloy, twice annealing homogenizing treatment and cooling treatment, serious element segregation of the 2050 alloy is avoided, and full homogenization of chemical components of the alloy is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of homogenization heat treatment methods for eliminating crystal phases of alloy ingots, and in particular relates to a method for homogenizing 2050 alloys. Background technique [0002] The 2050 series alloy belongs to a class of wrought alloys that can obtain the highest aging strengthening effect, and has the characteristics of low density, high strength, and good processing performance. This series of alloys mainly contains elements such as Mn, Mg, Ag, Zr and Cu. However, due to the high degree of alloying in the 2050 series, Cu elements tend to be enriched at the grain boundaries during the solidification process, and there are severe dendrite segregation and intragranular segregation. The inhomogeneous distribution of the chemical composition and structure of the grain boundary and the grain boundary will seriously reduce the plasticity of the alloy, deteriorate the hot workability, reduce the strength...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/057
CPCC22F1/057
Inventor 张敏游文杜荣姚勇呙永林
Owner SOUTHWEST ALUMINUM GRP
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