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Effects of Rolling Strain Rates on Microstructure, Damping and Mechanical Properties of Mg-1%Al Alloy
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Huashen LIU1, Youping SUN1, 2, 3, Jiangmei HE1, Guojian LUO1, Xinyu LIU1
Mining and Metallurgical Engineering | 2024, 44(2) : 172 - 177
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Mining and Metallurgical Engineering | 2024, 44(2): 172-177
MATERIALS
Effects of Rolling Strain Rates on Microstructure, Damping and Mechanical Properties of Mg-1%Al Alloy
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Huashen LIU1, Youping SUN1, 2, 3, Jiangmei HE1, Guojian LUO1, Xinyu LIU1
Affiliations
  • 1.School of Mechanical and Automotive Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, China
  • 2.Guangxi Earthwork Machinery Collaborative Innovation Center, Liuzhou 545006, Guangxi, China
  • 3.Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Liuzhou 545006, Guangxi, China
Published: 2024-04-01 doi: 10.3969/j.issn.0253-6099.2024.02.037
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Mg-1%Al alloy plates were rolled at different strain rates, and the effects of rolling strain rate on microstructure, mechanical properties and damping properties of Mg-1%Al alloy were investigated. As rolling strain rate increases, the average grain size and recrystallization volume fraction of Mg-1%Al alloy increase, while the tensile strength, yield strength and texture strength decrease. As the rolling strain rate increases, the elongation decreases after an initial increase, reaching the highest (25.33%) at a strain rate of 20 s-1, and the damping performance at room temperature is also improved. The damping value is 0.061 with the strain amplitude of 0.1% at a strain rate of 30 s-1, which is 1.5 times of that at a strain rate of 15 s-1. At a certain strain rate, the damping performance decreases as strain frequency increases.

Mg-1%Al alloy  /  rolling strain rate  /  microstructure  /  damping performance  /  mechanical properties  /  frequency
Huashen LIU, Youping SUN, Jiangmei HE, Guojian LUO, Xinyu LIU. Effects of Rolling Strain Rates on Microstructure, Damping and Mechanical Properties of Mg-1%Al Alloy[J]. Mining and Metallurgical Engineering, 2024 , 44 (2) : 172 -177 . DOI: 10.3969/j.issn.0253-6099.2024.02.037
Year 2024 volume 44 Issue 2
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Article Info
doi: 10.3969/j.issn.0253-6099.2024.02.037
  • Receive Date:2023-10-23
  • Online Date:2026-03-19
  • Published:2024-04-01
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  • Received:2023-10-23
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Affiliations
    1.School of Mechanical and Automotive Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, China
    2.Guangxi Earthwork Machinery Collaborative Innovation Center, Liuzhou 545006, Guangxi, China
    3.Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Liuzhou 545006, Guangxi, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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