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Superplastic forming and diffusion bonding : ウィキペディア英語版 | Superplastic forming and diffusion bonding Superplastic forming and diffusion bonding (SPF/DB) is a technique allowing to manufacture complex-shaped hollow metallic parts. It combines Superplastic forming (SPF) with a second element "Diffusion Bonding" to create the completed structures. ==Principle== Two metal sheets are welded together at their edges, then heated within the confines of a female mould tool. When the part is hot, an inert gas is injected between the two sheets ; the part becomes hollow to the form of the mould.〔Spittle, Peter. ("Gas turbine technology" ) p508, ''Rolls-Royce plc'', 2003. Retrieved: 13 June 2014.〕 Parts may be welded in other areas than the edges to give an internal structure as the sheets are blown.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Superplastic forming and diffusion bonding」の詳細全文を読む
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