Full
Outline
The rapid development of the aerospace field imposes stringent requirements on elastic materials， which need to simultaneously exhibit light weight， high strength， large recoverable strain， excellent energy dissipation， and fatigue resistance over a wide temperature range. NiTi shape memory alloys are promising candidates due to their superelasticity derived from thermoelastic martensitic transformation. However， limited by their low yield strength and high temperature dependence of superelastic stress， they exhibit a narrow superelastic temperature range， which limits their engineering applications in extreme environments such as aerospace. This paper focuses on NiTi-based alloys with wide-temperature-range superelasticity， systematically reviews the governing mechanisms of the superelastic temperature window， and summarizes the research progress of optimization strategies for expanding the superelastic temperature window， including grain refinement， elemental doping， heat treatment regulation， and composite structure construction. The temperature window expansion efficiency and engineering applicability of each strategy are analyzed. Furthermore， it summarizes the latest frontier applications in the aerospace field and discusses prospective technical pathways for improving material properties as well as potential directions for application expansion. This work aims to provide theoretical reference and technical insights for the high-performance design and engineering application of such materials.
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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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