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PROCESSES FOR PRODUCING PRECURSOR FOR FUNCTIONALLY GRADIENT MATERIAL AND PRODUCING FUNCTIONALLY GRADIENT MATERIAL, PRECURSOR FOR FUNCTIONALLY GRADIENT MATERIAL, AND FUNCTIONALLY GRADIENT MATERIAL meetings

Foreign code F110006061
File No. S2010-0005
Posted date Dec 28, 2011
Country WIPO
International application number 2010JP067979
International publication number WO 2011/046152
Date of international filing Oct 13, 2010
Date of international publication Apr 21, 2011
Priority data
  • P2009-237447 (Oct 14, 2009) JP
Title PROCESSES FOR PRODUCING PRECURSOR FOR FUNCTIONALLY GRADIENT MATERIAL AND PRODUCING FUNCTIONALLY GRADIENT MATERIAL, PRECURSOR FOR FUNCTIONALLY GRADIENT MATERIAL, AND FUNCTIONALLY GRADIENT MATERIAL meetings
Abstract Provided are a precursor for a functionally gradient material, the precursor being inexpensive and having excellent quality stability and a gradient in material composition, and a process for producing the precursor. Also provided are a functionally gradient material which has a gradient in material composition or in material composition and porosity and which has an enhanced function and a process for producing the material. The precursor for a functionally gradient material is formed through a step in which a plurality of metal foam precursors which generate a plurality of cells in the metallic members upon a heat treatment are formed so that the metallic members differ in material composition and a step in which the multiple metal foam precursors are bonded together by friction stir welding. The functionally gradient material is formed by subjecting the precursor for a functionally gradient material to a heat treatment.
  • Applicant
  • ※All designated countries except for US in the data before July 2012
  • National University Corporation Gunma University
  • SHIBAURA INSTITUTE OF TECHNOLOGY
  • Inventor
  • HANGAI Yoshihiko
  • UTSUNOMIYA Takao
IPC(International Patent Classification)
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