B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 20/12 (2006.01) B21D 26/02 (2006.01)
Patent
CA 2520463
A method of forming and a blank therefor, in which the blank (1) comprises a parent body (2) and at least one insert (3), at least one of which is made of a material which possesses superplastic properties. The insert (3) is joined to the parent body (2) by friction stir welding. The primary purpose of the invention is to provide a blank for a forming process during which some parts of the blank are required to deform to an extent which requires superplastic properties, whereas the remaining parts of the blank are deformed to a lesser extent.
La présente invention a trait à un procédé de formage et une ébauche pour sa mise en oeuvre, l'ébauche (1) comportant une corps principal (2) et au moins un insert (3), dont au moins un est réalisé en un matériau présentant des propriétés superplastiques. L'insert (3) est assemblé au corps principal (2) par soudage par friction sous agitation. Le but principal de l'invention est de fournir une ébauche pour un procédé de formage durant lequel certaines parties de l'ébauche doivent être soumises à un degré de déformation nécessitant des propriétés superplastiques, alors que les autres parties subissent un degré moindre de déformation.
Kirby Eades Gale Baker
Luxfer Group Limited
LandOfFree
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