抄録
In order to form high toughness amorphous alloy, double mechanical alloying (DMA) was carried out with Ni-Zr amorphous powder by MA and Al mixed powder, here. Obtained amorphous powders were compacted with vacuum hot press (VHP) method, then the excellent conditions of VHP were found. Also mechanical strength of each compact was measured using 3 point bending tests. As a result, it was understood that Al_<60>Ni_<20>Zr_<14> and Al_<60>Ni_<26>Zr_<14> amorphous powders can be compacted and form compacts which has high strength and toughness, where they were compacted for 1.8ks at 773K with 1000MPa loaded. Furthermore, it was known, as well, that both of deflection and rupture strength decreases as amorphous phases begins crystallization.
