BULKY AMORPHOUS ALLOY AND HIGH STRENGTH MEMBER USING THE ALLOY

摘要

PROBLEM TO BE SOLVED: To increase the amorphousness forming performance of the alloy by controlling the content of oxygen therein to a specified range and allowing it to contain an amorphous phase by a specified volume ratio. ;SOLUTION: This bulky amorphous alloy has an amorphous phase, e.g. with the dimensional shape of ≥1 mm even as to any direction of the three dimensions and contains the amorphous phase of ≥50% by volume ratio. In this alloy, the content of oxygen is controlled, by atom, to 0.005 to 1.0%. By this, the formation of ununiform nuclei is made less to obtain the alloy contg. the amorphous phase of ≥50% by volume, so that the excellent characteristics of high hardness and elongation, high mechanical strength or the like can be obtd. The content of oxygen is more preferably controlled to 0.005 to 0.26%, by which its amorphousness forming performance improves to obtain the alloy having large dimensions. Furthermore, the amorphousness forming performance of the alloy is moreover improved by incorporating it with 0.005 to 1.05 oxygen, 0 to 0.2% nitrogen and 0 to 1.0% hydrogen.;COPYRIGHT: (C)2000,JPO