Preparation method for a high-strength extruded profile of Mg—Zn—Sn—Mn alloy

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United States of America Patent

PATENT NO 11351585
APP PUB NO 20200269298A1
SERIAL NO

16798851

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A method for preparing a high-strength extruded profile of an Mg—Zn—Sn—Mn alloy is composed of a solid solution treatment at two stages to a billet, a high-temperature pre-aging to the billet, a low-temperature rapid extrusion and a low-temperature aging treatment to a profile. The Mg—Zn—Sn—Mn alloy includes the following elements in mass percent: 5.8-6.2% of Zn, 3.0-3.5% of Sn, 0.25-0.45% of Mn, unavoidable impurities of 0.05% or less, and the balance magnesium. The Mg—Zn—Sn—Mn magnesium alloy profile has a fine grain size of about 10-20 μm and a dispersed second phase, so a high strength and a good elongation can be obtained therein, and a tensile strength of 350 MPa or more, a yield strength of 280 MPa or more, and the elongation of 12% or more. In addition, the profile has a high extrusion production efficiency and a high yield, and a low extrusion cost.

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Patent OwnerAddress
QILU UNIVERSITY OF TECHNOLOGY250300 NO 3501 UNIVERSITY ROAD CHANGQING DISTRICT JINAN CITY SHANDONG PROVINCE JINAN CITY A FOLK ART FORM POPULAR IN SHANDONG 250300
ADVANCED MATERIALS INSTITUTE SHANDONG ACADEMY OF SCIENCESNO 19 KEYUAN ROAD LIXIA DISTRICT JINAN SHANDONG 250014

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Peiliang Jinan, CN 14 55
Liu, Cong Jinan, CN 200 768
Liu, Yunteng Jinan, CN 2 0
Ma, Baichang Jinan, CN 2 0
Tang, Shouqiu Jinan, CN 2 0
Wang, Meifang Jinan, CN 2 0
Zhao, Dongqing Jinan, CN 2 0
Zhou, Jixue Jinan, CN 2 0

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