Title:
COATED ROTATING TOOL
Document Type and Number:
WIPO Patent Application WO/2012/172895
Kind Code:
A1
Abstract:
A tool (1) of the present invention for friction stir welding includes a base material (2) and a coating layer (3) formed on that base material (2). The coating layer (3) is characterized by being formed from two or more layers, the coating layer (3) as a whole having a heat permeability of 8000 J/s0.5·m2·K or less, at least one of the layers in the coating layer (3) including a hexagonal crystal system and/or a noncrystalline form, at least one of the layers in the coating layer including a cubic crystal system, and the coating layer (3) having compressive stress.
Inventors:
MORIGUCHI HIDEKI (JP)
UTSUMI YOSHIHARU (JP)
UTSUMI YOSHIHARU (JP)
Application Number:
PCT/JP2012/062132
Publication Date:
December 20, 2012
Filing Date:
May 11, 2012
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
MORIGUCHI HIDEKI (JP)
UTSUMI YOSHIHARU (JP)
MORIGUCHI HIDEKI (JP)
UTSUMI YOSHIHARU (JP)
International Classes:
B23K20/12; C23C14/06
Domestic Patent References:
| WO2010074165A1 | 2010-07-01 |
Foreign References:
| JP2011011235A | 2011-01-20 | |||
| JP2004195525A | 2004-07-15 | |||
| JP2005199281A | 2005-07-28 | |||
| JP2008155277A | 2008-07-10 | |||
| JP2009241085A | 2009-10-22 | |||
| JP2010520810A | 2010-06-17 | |||
| JP2010264479A | 2010-11-25 | |||
| JP2011504808A | 2011-02-17 | |||
| JP2003326372A | 2003-11-18 | |||
| JP2003532542A | 2003-11-05 | |||
| JP2005152909A | 2005-06-16 |
Other References:
See also references of EP 2722126A4
Attorney, Agent or Firm:
Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)
Patent business corporation Fukami patent firm (JP)
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Claims: