Method for preventing high-strength aluminum alloy fixed door from deforming and cracking during solid solution and ageing

Method for preventing high-strength aluminum alloy fixed door from deforming and cracking during solid solution and ageing

The invention relates to a method for preventing a high-strength aluminum alloy fixed door from deforming and cracking, particularly to a method for preventing the high-strength aluminum alloy fixed door from deforming and cracking during solid solution and ageing, and belongs to the field of heat t...

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Hauptverfasser: WANG YUMIN, HU JIANJUN, WEN GANGZHU, WANG GUOWEN
Format: Patent
Sprache:chi ; eng
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CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator WANG YUMIN
HU JIANJUN
WEN GANGZHU
WANG GUOWEN
description The invention relates to a method for preventing a high-strength aluminum alloy fixed door from deforming and cracking, particularly to a method for preventing the high-strength aluminum alloy fixed door from deforming and cracking during solid solution and ageing, and belongs to the field of heat treatment. The method has the following characteristics: preheating is carried out before solid solution, the temperature is raised to 521 +/- 5 DEG C with the stove, and the temperature is kept for 4-6 hours; the solid solution temperature is in a range of 535 +/- 5 DEG C, and the temperature is kept for 8-10 hours; and discharging and water quenching are carried out, so that the first pass yield of solid solution and ageing of the high-strength aluminum alloy fixed door is improved. According to the method, before solid solution, a preheating process is added, the heating rate is decreased, and transforming and cracking tendency due to excessively-high heating rate of a part is effectively reduced; effects of high
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subjects CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title Method for preventing high-strength aluminum alloy fixed door from deforming and cracking during solid solution and ageing
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