PDF
Full
Outline
To characterize the mechanical properties of 7075 high-strength aluminum alloy, three specimens for the monotonic tensile test and five specimens for cyclic loading were designed and fabricated. Based on the Ramberg-Osgood model, numerical fitting was carried out separately for the monotonic tensile stress-strain curves and cyclic loading skeleton curves of aluminum alloy bars. A comparative analysis was conducted on the tensile mechanical properties and hysteresis mechanical properties of 7075 high-strength aluminum alloy. The combined hardening parameters for high-strength aluminum alloy were calibrated, and a combined hardening hysteresis constitutive model was established. Using the software ABAQUS, a numerical analysis model of high-strength aluminum alloy was created, and the simulation results were compared with and validated against experimental results. The results indicate that 7075 high-strength aluminum alloy exhibits excellent hysteresis performance, and the Ramberg-Osgood model shows good applicability to the monotonic mechanical properties of high-strength aluminum alloy. The finite element simulation results based on the combined hardening model are in good agreement with the test results. The calibrated combined hardening model can be used for the seismic behavior analysis of structures reinforced with high-strength aluminum alloy.
PDF
69
37
| 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 |
关闭全屏
No. 86 Xueyuan South Road, Haidian District, Beijing
010-62199257
qkjq@cast.org.cn
Copyright © 2025 China Association for Science and Technology. All rights reserved. For all open access content, the relevant licensing terms apply.
Sponsored by the Office of the Leading Group for Cybersecurity and Informatization of CAST, and supported by Science and Technology Review Publishing House
