Thermal treatment method for improving bake-hardening performance and natural aging stability of 6xxx-series aluminum alloys

Thermal treatment method for improving bake-hardening performance and natural aging stability of 6xxx-series aluminum alloys

The invention discloses a thermal treatment method for improving bake-hardening performance and natural aging stability of 6xxx-series aluminum alloy, and belongs to the technical field of aluminum alloy processing. The thermal treatment method comprises the following steps: within 20 minutes after...

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Hauptverfasser: ZHU YUTAO, HUANG CHENGYI, LE YONGKANG, XU YANPING, REN YUELU, ZENG GUANG
Format: Patent
Sprache: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 ZHU YUTAO
HUANG CHENGYI
LE YONGKANG
XU YANPING
REN YUELU
ZENG GUANG
description The invention discloses a thermal treatment method for improving bake-hardening performance and natural aging stability of 6xxx-series aluminum alloy, and belongs to the technical field of aluminum alloy processing. The thermal treatment method comprises the following steps: within 20 minutes after performing solution treatment on 6xxx-series aluminum alloy plates and quenching to the room temperature, entering a furnace at 50-150 DEG C, and cooling to be lower than 40 DEG C at the cooling rate of 3-20 DEG C/h within 20 minutes after keeping the temperature. The thermal treatment method disclosed by the invention is simple in process, high in production efficiency, and capable of effectively improving the natural ageing stability and the bake-hardening performance of the 6xxx-series aluminum alloy car plates, so that the 6xxx-series aluminum alloy car plates can be applicable to automotive body aluminum alloy plates.
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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 Thermal treatment method for improving bake-hardening performance and natural aging stability of 6xxx-series aluminum alloys
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