Table 1 The mechanical properties, the glass transition temperatures (Tg), the onset temperature of melting (Tm), the liquidus temperature (TL) and the density changes by annealing (or free volume changes by annealing, Δvf = (ΔV/V0) × 100%) of the E1, E2, C1, C2 and C3 BMGs investigated in the as-cast and annealed states
From: Composition Effect on Intrinsic Plasticity or Brittleness in Metallic Glasses
Yield stress, σy (MPa) | Plastic strain, ε | Hardness, Hv | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Composition | Tg (K) | Tm (K) | TL (K) | as-cast | annealed | as-cast | annealed | as-cast | annealed | Δvf |
Cu60Zr30Ti10(E1) | 705 | 1108 | 1229 | 2030 | 2190 | ~0.3% | 0 | 559 ± 3 | 588 ± 3 | ~0.42% |
Cu49Hf42Al9(E2) | 776 | 1209 | 1267 | 2300 | - | ~0.1% | 0 | 625 ± 3 | 660 ± 3 | ~0.28% |
Cu47Zr47Ti6 (C1) | 659 | 1116 | 1193 | 1720 | 1820 | ~4% | ~3% | 460 ± 3 | 485 ± 3 | ~0.37% |
Cu44Zr52Al4(C2) | 678 | 1137 | 1209 | 1840 | 1920 | ~4% | ~5% | 475 ± 3 | 492 ± 3 | ~0.34% |
Zr58Cu15Ni15Al12(C3) | 683 | 1100 | 1146 | 1900 | 2010 | ~6% | ~6% | 493 ± 3 | 510 ± 3 | ~0.47% |
