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Outline
Taking aluminum alloy adhesive-bonded blind riveting hybrid joints as the research object, this paper investigates the shear mechanical properties of single/double lap double-rivet adhesive-bonded blind riveting joints with different adhesive layer thicknesses and rivet arrangements. The results show that regardless of transverse or longitudinal rivet arrangement, the failure sequence of the joints uniformly initiates with cohesive failure of the adhesive layer. The rivet arrangement has no effect on the second peak load corresponding to rivet failure, while the overall failure load of transversely arranged joints is higher than that of longitudinally arranged counterparts. For single lap double-rivet joints, pull-out failure of rivets follows; for double lap double-rivet joints, the middle aluminum alloy sheet of the specimen undergoes irregular fracture subsequently. Within the test scope, the adhesive layer thickness has no significant influence on the overall failure mode of the joints. The findings can provide experimental basis for the structural design and engineering application of aluminum alloy adhesive-bonded blind riveting hybrid joints applied to vehicle bodies.
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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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