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Dynamic Precipitation of ZK60 Magnesium Alloy Under High-Strain-Rate Loading
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Lixiang HU, Yang YANG
Mining and Metallurgical Engineering | 2023, 43(5) : 144 - 148
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Mining and Metallurgical Engineering | 2023, 43(5): 144-148
• MATERIALS •
Dynamic Precipitation of ZK60 Magnesium Alloy Under High-Strain-Rate Loading
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Lixiang HU, Yang YANG
Affiliations
  • School of Material Science and Engineering, Central South University, Changsha, 410083, Hunan, China
Published: 2023-10-01 doi: 10.3969/j.issn.0253-6099.2023.05.033
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An experiment on dynamic loading at high strain rate was conducted for T4 deformed ZK60 magnesium alloy by means of split Hopkinson pressure bar (SHPB). The experimental results show that the flow stresses of the ZK60 alloy samples increase with the increasing of strain rate. Observation of transmission electron microscopy results indicate that a large number of second phases precipitated in the alloy after dynamic loading. The hardness measurement results show that the hardness of material is elevated from 64.40HV to 93.05HV after dynamic loading at 3 000 s-1. High-density dislocation is generated within the ZK60 alloy and numerous reinforcing phases (β′1 and β′2) precipitated in the matrix during deformation.

high strain rate  /  dynamic precipitation  /  ZK60 magnesium alloy  /  Vickers hardness  /  precipitated phases  /  β′1 phase  /  β′2 phase
Lixiang HU, Yang YANG. Dynamic Precipitation of ZK60 Magnesium Alloy Under High-Strain-Rate Loading[J]. Mining and Metallurgical Engineering, 2023 , 43 (5) : 144 -148 . DOI: 10.3969/j.issn.0253-6099.2023.05.033
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Year 2023 volume 43 Issue 5
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doi: 10.3969/j.issn.0253-6099.2023.05.033
  • Receive Date：2023-04-28
  • Online Date：2026-03-05
  • Published：2023-10-01
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  • Received：2023-04-28
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    School of Material Science and Engineering, Central South University, Changsha, 410083, Hunan, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
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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