High-strength and high-toughness 2XXX aluminum alloy forging production process

A high-strength, high-toughness, production process technology, applied in the field of aluminum alloy processing, can solve the problems of low fatigue life and poor corrosion resistance, and achieve the effect of reducing the impact

Inactive Publication Date: 2019-06-18
烟台台海玛努尔航空科技有限公司 +1
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Problems solved by technology

[0004] The present invention provides a production process for high-strength and high-toughness 2XXX aluminum alloy forgings, aiming at pr

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  • High-strength and high-toughness 2XXX aluminum alloy forging production process
  • High-strength and high-toughness 2XXX aluminum alloy forging production process
  • High-strength and high-toughness 2XXX aluminum alloy forging production process

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[0026] The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples cited are only used to explain the present invention, and are not used to limit the scope of the present invention.

[0027] A production process for high-strength and high-toughness 2XXX aluminum alloy forgings, which is characterized in that the ingredients for processing aluminum alloy ingots are sequentially subjected to smelting, two-stage homogenization treatment, extrusion billet forming, extrusion billet annealing, forging forming and rapid T6 heat treatment, processed into high-strength and high-toughness 2XXX aluminum alloy forgings;

[0028] Step 1. The smelting is to place the prepared aluminum alloy raw materials in a melting furnace and smelt into a liquid aluminum alloy, and cast the liquid aluminum alloy into an aluminum alloy ingot;

[0029] Step 2. The two-stage homogenization treatment is to subject the aluminum alloy ingot o...

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Abstract

The invention relates to a high-strength and high-toughness 2XXX aluminum alloy forging production process. The high-strength and high-toughness 2XXX aluminum alloy forging production process is characterized in that high-strength and high-toughness 2XXX aluminum alloy forgings are machined by ingredients for aluminum alloy ingot machining through smelting, double-stage homogenization, extrusion blank molding, extrusion blank annealing, forging formation and quick T6 heat treatment in sequence. During solid-solution aging, a high temperature of one temperature point above a heat absorbing point is adopted for short-time maintenance; at this time, heat is insufficient to melt intercrystalline metal, but is enough to refine intercrystalline compounds to melt in basal bodies, so that the strength and the plasticity of alloys are improved.

Description

technical field [0001] The invention relates to a production process of a high-strength and high-toughness 2XXX aluminum alloy forging, belonging to the technical field of aluminum alloy processing. Background technique [0002] 2XXX aluminum alloys are heat-treatable and strengthened alloys with excellent properties such as high strength, high toughness, and corrosion resistance. 2XXX aluminum alloys are widely used in aerospace, military equipment and related civil industries. Its performance mainly depends on the streamline direction, the type, size and shape of intragranular and intergranular precipitated phases. Therefore, it is of great practical significance and use value to adjust the microstructure of aluminum alloy through heat treatment and fully tap the potential of 2XXX aluminum alloy to meet the high-tech requirements of aerospace and other high-tech fields for aluminum alloys. [0003] At present, during heat treatment, 2XXX alloys have coarse secondary part...

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Application Information

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IPC IPC(8): C22C21/14C22C21/16C22C21/18C22F1/08
Inventor 李霞郝桓民王健李慎升李达威高春宋文铭
Owner 烟台台海玛努尔航空科技有限公司
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