PROCESSES FOR PRODUCING PRECURSOR FOR FUNCTIONALLY GRADIENT MATERIAL AND PRODUCING FUNCTIONALLY GRADIENT MATERIAL, PRECURSOR FOR FUNCTIONALLY GRADIENT MATERIAL, AND FUNCTIONALLY GRADIENT MATERIAL
| 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 |
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| Title |
PROCESSES FOR PRODUCING PRECURSOR FOR FUNCTIONALLY GRADIENT MATERIAL AND PRODUCING FUNCTIONALLY GRADIENT MATERIAL, PRECURSOR FOR FUNCTIONALLY GRADIENT MATERIAL, AND FUNCTIONALLY GRADIENT MATERIAL
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| 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. |
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