Full
Outline
Quasi-static and dynamic compression experiments of unannealed Ta-10W alloy specimen are implemented by MTS and split Hopkinson pressure bar equipments. Quasi-static compression yield strength is gained. In addition, the stress-strain history and dynamic compression yield strength are obtained when strain rate ranges from 700 s-1 to 3 100 s-1. The experiment results indicate that unannealed Ta-10W is preferably flexile. There is no crack on the surfaces of specimen after experiments. The quasi-static and dynamic compression strength of unannealed Ta-10W alloy is quite large. Quasi-static compression yield strength is about 930 MPa, and the dynamic compression yield strength is over 1 GPa. Dynamic compression yield strength of Ta-10W is dependent on strain rate, and it grows from 1.0 GPa to 1.3 GPa when strain rate increases from 700 s-1 to 3 100 s-1.
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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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