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Heat treatment method for aluminum alloy forcing shaping and aluminum alloy section for aviation

A heat treatment method and aluminum alloy profile technology, which is applied in the field of aluminum alloy processing, can solve problems such as bending deformation, achieve good straightness, and solve the effect of bending deformation

Active Publication Date: 2018-08-24
SHANDONG NANSHAN ALUMINUM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a heat treatment method for forced shaping of aluminum alloys, which can effectively solve the problem of bending deformation of aluminum alloys after quenching

Method used

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  • Heat treatment method for aluminum alloy forcing shaping and aluminum alloy section for aviation
  • Heat treatment method for aluminum alloy forcing shaping and aluminum alloy section for aviation
  • Heat treatment method for aluminum alloy forcing shaping and aluminum alloy section for aviation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] This embodiment provides a 2026 aluminum alloy product, which is made by adopting the following heat treatment method of forced shaping of aluminum alloy:

[0049] (1) Extrusion: Heat the aluminum alloy cast rod in a power frequency furnace at a heating temperature of 360°C, put the heated cast rod into an extrusion cylinder for extrusion treatment to obtain an extruded profile, and the exit speed of the extruded profile is 1.5m / min, the outlet temperature is 365°C.

[0050] (2) Quenching: the extruded profile is fixedly placed in the prefabricated aluminum alloy forced forming device 100, and enters the horizontal quenching furnace with the feeding basket for solid solution and quenching. The solid solution temperature is 495°C, and the holding time is 120min. The quenching transfer time is 15s, and the quenched profile is obtained.

[0051] The distance between the two single-piece fixtures 120 of the aluminum alloy forced shaping device 100 used in the quenching pr...

Embodiment 2

[0056] This embodiment provides a 2026 aluminum alloy product, which is made by adopting the following heat treatment method of forced shaping of aluminum alloy:

[0057] (1) Extrusion: Heat the aluminum alloy cast rod in a power frequency furnace at a heating temperature of 380°C, put the heated cast rod into an extrusion cylinder for extrusion treatment to obtain an extruded profile, and the exit speed of the extruded profile is 0.8m / min, the outlet temperature is 390°C.

[0058] (2) Quenching: the extruded profile is fixedly placed in the prefabricated aluminum alloy forced shaping device 100, and enters the horizontal quenching furnace with the feeding basket for solid solution and quenching. The solid solution temperature is 497°C, and the holding time is 150min. The quenching transfer time is 20s, and the quenched profile is obtained.

[0059] The distance between the two single-piece fixtures 120 of the aluminum alloy forced shaping device 100 used in the quenching pr...

Embodiment 3

[0064] This embodiment provides a 2024 aluminum alloy product, which is made by adopting the following heat treatment method for forced shaping of aluminum alloy:

[0065] (1) Extrusion: Heat the aluminum alloy cast rod in a power frequency furnace, the heating temperature is 370°C, put the heated cast rod into the extrusion cylinder for extrusion treatment to obtain an extruded profile, and the exit speed of the extruded profile is 1.5m / min, the outlet temperature is 380°C.

[0066] (2) Quenching: The extruded profile is fixedly placed in the prefabricated aluminum alloy forced shaping device 100, and enters the horizontal quenching furnace with the feeding basket for solid solution and quenching. The solid solution temperature is 494°C, and the holding time is 150min. The quenching transfer time is 15s, and the quenched profile is obtained.

[0067] The distance between the two single-piece fixtures 120 of the aluminum alloy forced shaping device 100 used in the quenching ...

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Abstract

The invention discloses a heat treatment method for aluminum alloy forcing shaping and an aluminum alloy section for aviation, and relates to the technical field of aluminum alloy machining. The heattreatment method for aluminum alloy forcing shaping provided by the embodiment comprises the following steps that an aluminum alloy cast rod is extruded to obtain an extruded section; an aluminum alloy forcing shaping device is adopted to enable the extruded section to be fixed to be linear, then quenching treatment is carried out, and a quenched section is obtained; stretching treatment and bending treatment are carried out on the quenched section, and a shaped section is obtained; and aging treatment is carried out on the shaped section. According to the method, the problem that the aluminumalloy subjected to quenching can bend and deform can be effectively solved; and the prepared aluminum alloy section for the aviation is good in straightness and meets the requirement of the aviationuse.

Description

technical field [0001] The invention relates to the technical field of aluminum alloy processing, in particular to a heat treatment method for forced shaping of aluminum alloys and aluminum alloy profiles for aviation. Background technique [0002] At present, commercial aircraft are developing in the direction of larger, faster, and longer life. The fierce competition in the market has forced aircraft manufacturers to put forward higher requirements for the design and material performance of aircraft structural parts. The design focus of aircraft has evolved from the initial static strength design to safe life design, safe life / damage safe design, safe life / damage tolerance design and durability / damage tolerance design. With the enlargement of the aircraft, the size of the structural parts of the aircraft is correspondingly increased, and the structural parts are developing in the direction of lighter, larger, higher performance, more reliable, longer life and lower cost, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/04
CPCC22F1/002C22F1/04
Inventor 程仁策姜海涛张启东杨亚平唐和壮隋信增李铸铁
Owner SHANDONG NANSHAN ALUMINUM
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