Deployable Rocket Nozzle Utilizing Superelastic Titanium Alloy Sheet
Deployable Rocket Nozzle Utilizing Superelastic Titanium Alloy Sheet
复制标题
DOI：
10.2320/matertrans.mt-mj2019009
复制
发表时间：
2020-01
影响因子：
1.2
通讯作者：
H. Tobe;Y. Matsuki;S. Takeuchi;E. Sato
中科院分区：
文献类型：
--
作者：
H. Tobe;Y. Matsuki;S. Takeuchi;E. Sato
提出了一种利用超弹性的新型可展开喷管。对Ti-4.5Al-3V-2Fe-2 Mo合金（SP-700）板材进行适当的热处理，使板材在室温下呈现超弹性。通过减薄、切割、焊接等工艺，制作了微型喷管模型。除了对其折叠行为进行有限元分析外，还对模型进行了折叠展开试验。超弹性可展开新概念的可行性
A novel deployable rocket nozzle utilizing superelasticity was proposed in this study. Ti 4.5Al 3V 2Fe 2Mo alloy (SP-700) sheets were heat-treated to have appropriate ¡ / ¢ ratio so that the sheet shows superelasticity at room temperature. A miniature nozzle model was fabricated through thinning, cutting, and welding processes of the sheets. Folding-deployment tests of the model were conducted in addition to fi nite element analyses of its folding behavior. The feasibility of the new concept of superelastically-deployable