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Title:
摩擦攪拌接合方法
Document Type and Number:
Japanese Patent JP4543204
Kind Code:
B2
Abstract:

To perform superior butt welding on workpieces to be joined, without causing a misjoined part so-called kissing bond in the weld zone of the workpieces, without causing root crack, with less tendency of fatigue fracture generation, and at a low cost and with excellent productivity.

In friction stir welding, a metallic foil 21 is clamped between the abutting part 33 including its periphery of workpieces 31, 32 and a backing 10, with a solid lubricating layer 22 interposed between the metallic foil 21 and the backing 10. Furthermore, a supporting body 23 is for facilitating support of the solid lubricant layer 22, but is not necessarily required.

COPYRIGHT: (C)2009,JPO&INPIT


Inventors:
Masato Tsujikawa
Yukio Oki
Kenji Higashi
Application Number:
JP2007082721A
Publication Date:
September 15, 2010
Filing Date:
March 27, 2007
Export Citation:
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Assignee:
Osaka Industrial Promotion Organization
International Classes:
B23K20/12; B23K20/26; B23K103/10
Domestic Patent References:
JP2001205459A
JP2001121274A
JP10202374A
JP2008137048A
JP2003126970A
JP2002224860A
JP9206991A
JP2000288735A
Attorney, Agent or Firm:
Tetsuo Kakutani