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The 5×××series aluminum alloy belongs to Al-Mg alloy system and Mg is its main element, which is a type of wrought aluminum alloy. The 5××× series aluminum alloy is with better corrosion resistance and is often as rust-proof aluminum alloy, which is widely used in the field of off-shore building. It is also with such advantages as light weight and high strength as well as is also widely used in the fields of automobile parts manufacturing and ship structure making. In this paper,the research progress for the effects of alloying elements and heat treatment process on comprehensive properties of 5××× series aluminum alloy in recent years is summarized as well as the effects of rare earth elements on microstructure and properties of 5××× series aluminum alloy are mainly analyzed, which provide the theoretical guidance for subsequent research and development of 5××× series aluminum alloy with higher comprehensive mechanical properties.
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| 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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