[PDF][PDF] 非晶态物质的本质和特性
汪卫华 - 物理学进展, 2013 - mmp.iphy.ac.cn
非晶态物质是复杂的多体相互作用体系, 其基本特征是原子和电子结构复杂, 微观结构长程无序,
体系在能量上处在亚稳态, 具有复杂的多重弛豫行为, 其物理, 化学和力学性质 …
体系在能量上处在亚稳态, 具有复杂的多重弛豫行为, 其物理, 化学和力学性质 …
On the mechanism and the length scales involved in the ductile fracture of a bulk metallic glass
Some bulk metallic glasses (BMGs) exhibit high crack initiation toughness due to shear
band mediated plastic flow at the crack tip and yet do not display additional resistance to …
band mediated plastic flow at the crack tip and yet do not display additional resistance to …
Compressive fracture morphology and mechanism of metallic glass
RT Qu, ZF Zhang - Journal of Applied Physics, 2013 - pubs.aip.org
We quantitatively investigated the fracture morphologies of Zr 52.5 Cu 17.9 Ni 14.6 Al 10 Ti 5
and Pd 78 Cu 6 Si 16 metallic glasses (MGs) under compression. The characteristic features …
and Pd 78 Cu 6 Si 16 metallic glasses (MGs) under compression. The characteristic features …
Shear bands mediate cavitation in brittle metallic glasses
Recent experimental studies have revealed nanoscale cavities and periodic corrugations on
the fracture surfaces of brittle metallic glasses. How such cavitation in these materials leads …
the fracture surfaces of brittle metallic glasses. How such cavitation in these materials leads …
Cavitation in materials with distributed weak zones: implications on the origin of brittle fracture in metallic glasses
Several experimental studies have shown that fracture surfaces in brittle metallic glasses
(MGs) generally exhibit nanoscale corrugations which may be attributed to the nucleation …
(MGs) generally exhibit nanoscale corrugations which may be attributed to the nucleation …
Atomic and electronic structure of Ni-Nb metallic glasses
Solid state 93 Nb nuclear magnetic resonance spectroscopy has been employed to
investigate the atomic and electronic structures in Ni-Nb based metallic glass (MG) model …
investigate the atomic and electronic structures in Ni-Nb based metallic glass (MG) model …
Strength softening at shear bands in metallic glasses
The plasticity of metallic glasses (MGs) is mediated by localized shearing in thin bands,
degrading the mechanical properties at shear bands (SBs), which can cause shear …
degrading the mechanical properties at shear bands (SBs), which can cause shear …
Metallic glassy fibers
WH Wang - Science China Physics, Mechanics and Astronomy, 2013 - Springer
A review on the formation and unique physical and mechanical properties of metallic glassy
fibers (MGFs) with the diameter ranging from micro to nano scales fabricated by a …
fibers (MGFs) with the diameter ranging from micro to nano scales fabricated by a …
Tensile fracture dynamics and intrinsic plasticity of metallic glasses
JW Cui, M Calin, J Eckert, ZF Zhang - Applied Physics Letters, 2013 - pubs.aip.org
Under tensile tests of metallic glasses (MGs) subjected to annealing below glass transition
temperature T g, ductile-to-brittle transition (DBT) occurs due to structural relaxation, which …
temperature T g, ductile-to-brittle transition (DBT) occurs due to structural relaxation, which …
Microstructural dependence of mechanical properties in Hf-based bulk metallic glasses and their composites
BR Sun, L Qi, ZJ Zhan - Journal of alloys and compounds, 2013 - Elsevier
Abstract Hf 44.5 Cu 27 Ni 13.5 Ti 5 Al 10 bulk metallic glasses were prepared by the copper
mold casting process. The crystallization behaviors of the amorphous alloys treated at …
mold casting process. The crystallization behaviors of the amorphous alloys treated at …