Energy dissipation in fracture of bulk metallic glasses via inherent competition between local softening and quasi-cleavage

MQ Jiang, Z Ling, JX Meng, LH Dai - Philosophical Magazine, 2008 - Taylor & Francis
Compression, tension and high-velocity plate impact experiments were performed on a
typical tough Zr41. 2Ti13. 8Cu10Ni12. 5Be22. 5 (Vit 1) bulk metallic glass (BMG) over a wide …

Ductile Fe–Nb–B bulk metallic glass with ultrahigh strength

JH Yao, JQ Wang, Y Li - Applied Physics Letters, 2008 - pubs.aip.org
The authors report a simple Fe-based Fe 71 Nb 6 B 23 ternary bulk metallic glass with a
record high strength of 4.85 GPa as well as an appreciable compressive plastic strain of …

Instability of crack propagation in brittle bulk metallic glass

G Wang, KC Chan, XH Xu, WH Wang - Acta Materialia, 2008 - Elsevier
The instability of the crack tip in brittle Mg-based bulk metallic glass (BMG) is studied. The
formation of various fractographic surfaces of the BMG is associated with the instability of the …

Dynamic fracture instability of tough bulk metallic glass

JX Meng, Z Ling, MQ Jiang, HS Zhang… - Applied Physics …, 2008 - pubs.aip.org
We report the observations of a clear fractographic evolution from vein pattern, dimple
structure, and then to periodic corrugation structure, followed by microbranching pattern …

Metallic glass nanowire

KS Nakayama, Y Yokoyama, G Xie, QS Zhang… - Nano …, 2008 - ACS Publications
Metallic glass nanowires were spontaneously created on the fracture surfaces that were
produced by a conventional mechanical test. The presence of the nanowires is directly …

[PDF][PDF] Size Effect on Shear Fracture and Fragmentation of a Fe57.6Co14.4B19.2Si4.8Nb4 Bulk Metallic Glass

FF Wu, ZF Zhang, BL Shen, SXY Mao… - Advanced Engineering …, 2008 - magnetic.nimte.ac.cn
Since the discovery of the first bulk metallic glass (BMG), numerous alloy systems with
excellent glass-forming ability have been developed to date.[1–4] According to their …

Interface structure and properties of a brass-reinforced Ni59Zr20Ti16Si2Sn3 bulk metallic glass composite

K Wang, T Fujita, D Pan, TG Nieh, A Inoue, DH Kim… - Acta materialia, 2008 - Elsevier
Interfaces between a Ni59Zr20Ti16Si2Sn3 bulk metallic glass (BMG) and crystalline brass
reinforcements were characterized using transmission electron microscopy and …

Minor addition induced enhancement of strength of Mg-based bulk metallic glass

JQ Wang, P Yu, HY Bai - Journal of Non-Crystalline Solids, 2008 - Elsevier
We report that the fracture strength of Mg-based bulk metallic glasses (BMGs) can be
dramatically enhanced up to 1.10 GPa by minor Gd addition. The Poisson's ratio v of the …

Ductile to brittle transition in dynamic fracture of brittle bulk metallic glass

G Wang, YN Han, XH Xu, FJ Ke, BS Han… - Journal of Applied …, 2008 - pubs.aip.org
We report an unusual transition from a locally ductile to a pure brittle fracture in the dynamic
fracture of brittle Mg 65 Cu 20 Gd 10 bulk metallic glass. The fractographic evolution from a …

Thulium-based bulk metallic glass

HB Yu, P Yu, WH Wang, HY Bai - Applied Physics Letters, 2008 - pubs.aip.org
We report the formation and properties of a thulium-based bulk metallic glass (BMG).
Compared with other known rare-earth (RE) based BMGs, Tm-based BMGs show features of …