Air oxidation of an Fe72B22Y6 bulk amorphous alloy at 600–700°C

High thermal stability of the amorphous oxide in Ti44.5Cu44.5Zr7Be4 metallic glass

“…Since oxygen affinity of Be is higher than that of Ti and Zr, Be which has been originally in the amorphous oxide layer diffuses in the outward direction, forming BeO layer on the top surface. 55 Therefore, Be is depleted in the remaining amorphous oxide layer, which can be supported by the D-SIMS result shown in Fig. 3(b).…”

Recent progress in metallic glasses in Taiwan

“…After a potential larger than 0.3 V, a passivation current density is noted as being slightly lower than that of pure tantalum. The open-circuit potential of the glassy alloy is about 0.13 V, being nobler than that of pure tantalum [75].…”

“…The oxidation behaviors have been examined in the Fe, Ni, Zr and Mg based BMGs in Taiwan [75][76][77][78][79][80][81][82]. For the Fe based alloys, the Fe 72 B 22 Y 6 BMG and its crystalline counterpart were studied over the temperature range of 600-700 C in dry air [75].…”

“…For the Fe based alloys, the Fe 72 B 22 Y 6 BMG and its crystalline counterpart were studied over the temperature range of 600-700 C in dry air [75]. The results showed that the oxidation kinetics of both the glassy and crystalline alloys in general follow a parabolic rate law although a twostage kinetics was noted at 700 C for the glassy alloy.…”

Oxidation behavior of the (Cu78Y22)98Al2 bulk metallic glass containing Cu5Y-particle composite at 400–600°C

“…The binary Cue20Y ingot and ternary CYA-composite were prepared by arc-melting and injection-casting technique, respectively [8,9]. The actual composition of the alloys done by X-ray wavelength-dispersive spectroscopy (WDS) is Cue19.9%Y (hereinafter in atomic percent unless otherwise stated) for the binary alloy and Cue20.6%Ye 1.8%Al for CYA-composite.…”