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| Mechanical Properties of Advanced Reinforced Structures under Uniaxial Tension |
| Received:March 29, 2020 Revised:April 30, 2020 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7643/issn.1672-9242.2020.12.001 |
| KeyWord:advanced reinforced structure uniaxial tensile action stress level damage tolerance performance |
| Author | Institution |
| LIU Yuan-hai |
Aviation Key Laboratory of Science and Technology on Structural Corrosion Protection and Control, China Special Vehicle Research Institute, Jingmen , China |
| ZHAO Lian-hong |
Aviation Key Laboratory of Science and Technology on Structural Corrosion Protection and Control, China Special Vehicle Research Institute, Jingmen , China |
| ZHANG Hong-fei |
Aviation Key Laboratory of Science and Technology on Structural Corrosion Protection and Control, China Special Vehicle Research Institute, Jingmen , China |
| LI Meng-si |
Aviation Key Laboratory of Science and Technology on Structural Corrosion Protection and Control, China Special Vehicle Research Institute, Jingmen , China |
| JIN Tao |
Aviation Key Laboratory of Science and Technology on Structural Corrosion Protection and Control, China Special Vehicle Research Institute, Jingmen , China |
| WANG Hao-wei |
Aviation Key Laboratory of Science and Technology on Structural Corrosion Protection and Control, China Special Vehicle Research Institute, Jingmen , China |
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| Abstract: |
| The work aims to study mechanical properties of advanced reinforced structures under uniaxial tension. A static tensile test was conducted on an advanced reinforcement structure loaded at a constant speed of 0.02 mm/s to 20 000 N. The strain detection method was applied to obtain the stress and strain distribution characteristics of advanced reinforced composite structure and metal matrix and investigate the extent to which advanced reinforcement structures reduce the stress level of metal substrates. Research showed that the advanced reinforcement structure can greatly reduce the stress level of the metal matrix structure, and the reduction degree was about 85% when the advanced reinforcement structure was intact. According to the structural characteristics and load distribution characteristics of the aircraft high stress zone, the rational arrangement of advanced reinforcement structures can increase the transmission path in the local area, reduce the stress level in the local area and improve the fatigue and damage tolerance performance of the area. |
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