Examination of Superplastic Forming Combined with Diffusion Bonding for Titanium: Perspective from Experience

Sanders, Daniel G.; Ramulu, M.

doi:10.1361/10599490421574

Cited by 34 publications

(26 citation statements)

References 2 publications

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“…Combining equations (1), (6) and (8) The mechanism of IGB migration is shown in Fig. 7a, the driving force for IGB migration arises from the high energy of red 'H' grain boundary intersection configurations.…”

Section: Interaction Mechanism Between Void and Migrating Igbmentioning

confidence: 99%

Interaction mechanism between void and interface grain boundary in diffusion bonding

Zhang

2015

Science and Technology of Welding and Joining

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The interaction process between void and migrating interface grain boundary (IGB) in the bonding interface of 1Cr11Ni2W2MoV steel joints produced by diffusion bonding has been examined, and the corresponding interaction mechanism was analysed. The results showed that there were two cases occurring in void-IGB interaction by comparing the IGB velocity with void velocity: if the IGB velocity exceeded the void velocity, the void would separate from the IGB and be trapped inside the grain; otherwise, the void would attach to and migrate with the IGB. It was also found that the void-IGB interaction was related to the radius of void. The bigger voids easily separated from the migrating IGB, while the smaller voids tended to attach to it. The approximate theoretical values of critical radius of voids for separation/attachment were derived, and they agreed well with the experimental values obtained.

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Section: Interaction Mechanism Between Void and Migrating Igbmentioning

confidence: 99%

Interaction mechanism between void and interface grain boundary in diffusion bonding

Zhang

2015

Science and Technology of Welding and Joining

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“…Superplastic forming/diffusion bonding (SPF/DB) has been applied to produce complex Ti alloy components in the aerospace field [1,2]. As more integrated and larger components are highly required for the aerospace structures, the DB technique no longer fully meets the requirements because of low production efficiency, significant grain growth and some other limiting factors [2].…”

mentioning

confidence: 99%

Achieving superior low-temperature superplasticity for lamellar microstructure in nugget of a friction stir welded Ti-6Al-4V joint

Xue

Xiao

et al. 2016

Scripta Materialia

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“…The resultant bonding strength reaches the level of the base materials [1]. The SPF/DB process combines a forming operation with a diffusion bonding process, where two or more sheets of titanium are used to create an integrally stiffened panel structure (Figure 12), such as hollow blade, gear door [1, [141][142][143][144]. It can form monolithic component with complex geometry instead of multi-piece assemblies, which saves cost, weight and assembling time.…”

Section: Fabrication Of Integrally Stiffened Panel Parts By Superplasmentioning

confidence: 99%

“…However, the mathematical model for diffusion bonding still needs further investigations. Additional research is needed to develop a more detailed model which can consider the important factors such as the creep and diffusion of titanium, diffusion of oxide contaminants, surface roughness of the raw material, diffusion of trapped inert gas, process variations, and material properties [143].…”

Section: Fabrication Of Integrally Stiffened Panel Parts By Superplasmentioning

confidence: 99%

Recent developments in plastic forming technology of titanium alloys

Yang

Fan

Sun

et al. 2011

Sci. China Technol. Sci.

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Titanium alloys have been used extensively in industry fields including aviation, aerospace and automobile due to their excellent comprehensive properties. Research and development of advanced plastic forming technology are of great importance to manufacturing titanium products of high performance and lightweight with low cost and short cycle. This paper analyzes the development tendencies of titanium alloy forming technology. Recent achievements in precision forming, microstructure control and multi-scale simulation of titanium alloys are reviewed. The forming techniques of large-sale integral complex components are presented. titanium alloys, precision forming, microstructure control, multi-scale simulation, large-scale integral complex components Citation:Yang H, Fan X G, Sun Z C, et al. Recent developments in plastic forming technology of titanium alloys.

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Examination of Superplastic Forming Combined with Diffusion Bonding for Titanium: Perspective from Experience

Cited by 34 publications

References 2 publications

Interaction mechanism between void and interface grain boundary in diffusion bonding

Interaction mechanism between void and interface grain boundary in diffusion bonding

Achieving superior low-temperature superplasticity for lamellar microstructure in nugget of a friction stir welded Ti-6Al-4V joint

Recent developments in plastic forming technology of titanium alloys

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