“Ductile” fracture of metallic glass nanolaminates

Z Fan, J Li, Y Yang, J Wang, Q Li, S Xue… - Advanced Materials …, 2017 - Wiley Online Library
Most metallic glasses are brittle as deformation induces low‐density sporadic shear bands
and severe shear localization proceeding catastrophic failure. Here, it is demonstrated that …

Ultrastable Amorphous Sb2Se3 Film

K Zhang, Y Li, Q Huang, B Wang, X Zheng… - The Journal of …, 2017 - ACS Publications
Increasing the thermostability of amorphous materials has been a long journey to improve
their properties. The metastable nature of chalcogenide glasses limits their practical …

In-situ SEM study of crack initiation, propagation and interfacial debonding of Ni-P coating during tensile tests: Heat treatment effect

H Bouaziz, O Brinza, N Haddar, M Gasperini… - Materials …, 2017 - Elsevier
This study focuses on the effect of annealing temperature onto the mechanisms of crack
initiation, propagation and interfacial debonding of the electroless nickel/phosphorus (Ni-P) …

Tailoring plasticity of metallic glasses via interfaces in Cu/amorphous CuNb laminates

Z Fan, Q Li, J Li, S Xue, H Wang… - Journal of Materials …, 2017 - cambridge.org
Metallic glasses (MGs) are known to have high strength, but poor ductility. Prior studies have
shown that plasticity in MG can be enhanced by significantly reducing their dimension to …

Effect of cooling rates on the structure, density and micro-indentation behavior of the Fe, Co-based bulk metallic glass

S Lesz - Materials Characterization, 2017 - Elsevier
The experiments demonstrate that ductility of the samples of bulk metallic glass (BMG) with
the same chemical composition increased with decreasing sample size. It is shown that …

Effect of the strain rate on the intermediate temperature brittleness in Zr-based bulk metallic glasses

MTA Khanouki, R Tavakoli, H Aashuri - Journal of Non-Crystalline Solids, 2017 - Elsevier
In this work, the effect of strain rate on the ductility, intermediate temperature brittleness and
fracture surface of Zr-based BMG over a wide range of temperatures from 0.1 T g to near T g …

Divergent strain acceleration effects in metallic glasses

Z Lu, XN Yang, BA Sun, YZ Li, K Chen, WH Wang… - Scripta Materialia, 2017 - Elsevier
Relaxation is a key feature in glassy physics, and the strain-induced effects on relaxations in
metallic glasses are of practical significance, yet still unclear. Through a contrastive …

[PDF][PDF] 非晶合金“拉伸转变区” 模型

蒋敏强, 戴兰宏 - 2017 - 119.78.100.190
非晶合金是熔体深度过冷至玻璃态转变, 结构发生突然" 冻结" 而形成的玻璃态固体.
在远低于玻璃转变温度, 非晶合金的宏观断裂通常由塑性变形局部化剪切带诱导 …

Crystallisation behaviour during tensile loading of laser treated Fe–Si–B metallic glass

SS Joshi, I Ghamarian, P Samimi, S Katakam… - Philosophical …, 2017 - Taylor & Francis
Effect of tensile loading on crystallisation behaviour of as-cast and laser thermal treated Fe–
Si–B metallic glass foils was investigated. Tensile loading lacked any marked influence on …

Decoding flow unit evolution upon annealing from fracture morphology in metallic glasses

M Gao, XF Cao, DW Ding, BB Wang… - Materials Science and …, 2017 - Elsevier
The intrinsic correlation between the fracture morphology evolution and the structural
heterogeneity of flow units in a typical Zr 52.5 Ti 5 Cu 17.9 Ni 14.6 Al 10 (vit105) metallic …