[HTML][HTML] Heterostructured materials

Y Zhu, X Wu - Progress in materials science, 2023 - Elsevier
Heterostructured (HS) materials are a new class of materials that are composed of
heterogeneous zones with dramatically different (> 100%) mechanical or physical …

Seventy years of Hall-Petch, ninety years of superplasticity and a generalized approach to the effect of grain size on flow stress

RB Figueiredo, M Kawasaki, TG Langdon - Progress in Materials Science, 2023 - Elsevier
The grain size, and therefore the grain boundary density, is known to play a major role in the
flow stress of metallic materials. A linear relationship to the inverse of the square root of the …

Dislocation network in additive manufactured steel breaks strength–ductility trade-off

L Liu, Q Ding, Y Zhong, J Zou, J Wu, YL Chiu, J Li… - Materials Today, 2018 - Elsevier
Most mechanisms used for strengthening crystalline materials, eg introducing crystalline
interfaces, lead to the reduction of ductility. An additive manufacturing process–selective …

Stabilizing nanostructures in metals using grain and twin boundary architectures

K Lu - Nature Reviews Materials, 2016 - nature.com
Forming alloys with impurity elements is a routine method for modifying the properties of
metals. An alternative approach involves the incorporation of interfaces into the crystalline …

Selective laser melting of 304L stainless steel: Role of volumetric energy density on the microstructure, texture and mechanical properties

M Ghayoor, K Lee, Y He, C Chang, BK Paul… - Additive …, 2020 - Elsevier
The role of volumetric energy density on the microstructural evolution, texture and
mechanical properties of 304L stainless steel parts additively manufactured via selective …

General relationship between strength and hardness

P Zhang, SX Li, ZF Zhang - Materials Science and Engineering: A, 2011 - Elsevier
Both hardness and strength are the important properties of materials, and they often obey
the three times empirical relationship in work-hardened metals and some bulk metallic …

Deformation twinning in nanocrystalline materials

YT Zhu, XZ Liao, XL Wu - Progress in Materials Science, 2012 - Elsevier
Nanocrystalline (nc) materials can be defined as solids with grain sizes in the range of 1–
100 nm. Contrary to coarse-grained metals, which become more difficult to twin with …

Strengthening materials by engineering coherent internal boundaries at the nanoscale

K Lu, L Lu, S Suresh - science, 2009 - science.org
Strengthening materials traditionally involves the controlled creation of internal defects and
boundaries so as to obstruct dislocation motion. Such strategies invariably compromise …

Ultra-strength materials

T Zhu, J Li - Progress in Materials Science, 2010 - Elsevier
Recent experiments on nanostructured materials, such as nanoparticles, nanowires,
nanotubes, nanopillars, thin films, and nanocrystals have revealed a host of “ultra-strength” …

[HTML][HTML] Effects of Sm element addition on the workability and microstructure evolution of Mg-Gd-Y-Zr alloy during hot deformation

Y Pei, M Yuan, E Wei, B Teng - Materials & Design, 2023 - Elsevier
Abstract A new Mg-5.5 Gd-3Y-1Sm-0.5 Zr (1Sm) alloy was developed. The deformation
behavior and microstructure evolution of the Mg-Gd-Y-(Sm)-Zr alloys during hot …