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United States of America Patent
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Jan 29, 2008
Grant Date -
Jan 6, 2005
app pub date -
Jun 18, 2004
filing date -
Jul 1, 2003
priority date (Note) -
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Abstract
The invention relates to an alloy consisting of at least three components A, B, C, which form at least a first matrix and a soft phase dispersed therein, with a first surface (5) and a second surface (9) lying opposite it, the proportions of components A, B, C in the alloy being different from one another in the regions of the first (5) and the second surface (8). At least one of the components forms a hard phase and at least one of the other components forms another matrix different from the first matrix, the first matrix being disposed at least in the region of the first surface (5) and the other matrix being disposed at least in the region of the second surface (8), whilst the hard phase is dispersed through both the first and the other matrix.
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