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Superplastic Blow Forming of Aepospace Components

机译：Esepace组件的超塑性吹吹

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Many metals, such as titanium and superalloys, are used for a wide range of aerospace applications, which include aircraft gas turbine engine and space launcher propulsion engine. In order to manufacture a stiffened extension with superplastic blow forming at elevated temperature, the structural integrity of the joint part was investigated since the welded or bonded joint of internal channels should maintain its strength during superplastic blow forming process. Various types of joint methods were performed in order to investigate microstructural and mechanical properties of the bonded specimen at elevated temperature. In this paper, the possibility of manufacturing combustion chamber and other aerospace components with superplastic blow forming of titanium and superalloy was demonstrated. An innovative manufacturing method to produce complex configuration from titanium multi-sheets by superplastic forming with low hydrostatic pressure was presented. The result also shows that the manufacturing method with superplastic blow forming of multi-sheets of IN718 alloy has been successfully demonstrated for near net shape forming of subscale nozzle extension cone with internal channels.
机译：许多金属如钛和超合金，用于各种航空航天应用，包括飞机燃气轮机发动机和空间发射器推进发动机。为了在高温下制造具有超级塑性吹塑的加强延伸，研究了关节部分的结构完整性，因为内部通道的焊接或粘接接头应在超塑性吹塑过程中保持其强度。进行各种类型的关节方法，以便在升高温度下研究键合试样的微观结构和机械性能。本文证实了制造燃烧室和其他具有超塑性钛和超合金的空间吹口形成的燃烧室和其他航空航天组分的可能性。提出了一种通过具有低静水压压力的超级塑性形成从钛多纸张生产复杂构型的创新制造方法。结果还表明，具有内部通道的亚电流喷嘴延伸锥的近净形状的近净形状形成，具有超级塑性吹塑的制造方法。

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