| 摘要 |
PURPOSE:To preform Al alloy powder having inferior formability into a green compact having the desired green compacting density with dies under low pressure by interposing Al foil between the Al alloy powder and the dies. CONSTITUTION:When Al alloy powder is preformed with dies, the dies are lined with Al foil or a composite Al body contg. Al foil. The Al alloy powder is then filled into the female die and preformed with the dies by pressing.
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