[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 …

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 …

Mechanical behavior of nanocrystalline metals and alloys

KS Kumar, H Van Swygenhoven, S Suresh - Acta materialia, 2003 - Elsevier
Nanocrystalline metals and alloys, with average and range of grain sizes typically smaller
than 100 nm, have been the subject of considerable research in recent years. Such interest …

Mechanical properties and optimal grain size distribution profile of gradient grained nickel

Y Lin, J Pan, HF Zhou, HJ Gao, Y Li - Acta Materialia, 2018 - Elsevier
Gradient structured (GS) materials are ubiquitous in biological systems and now
increasingly adopted in engineering systems to achieve desirable combinations of …

Toward a quantitative understanding of mechanical behavior of nanocrystalline metals

M Dao, L Lu, RJ Asaro, JTM De Hosson, E Ma - Acta Materialia, 2007 - Elsevier
Focusing on nanocrystalline (nc) pure face-centered cubic metals, where systematic
experimental data are available, this paper presents a brief overview of the recent progress …

Three strategies to achieve uniform tensile deformation in a nanostructured metal

YM Wang, E Ma - Acta Materialia, 2004 - Elsevier
In nanostructured metals with grain sizes of the order of 100 nm, dislocation mechanisms
remain dominant in controlling plastic deformation. These materials, similar to their coarse …

Effect of nanocrystalline and ultrafine grain sizes on the strain rate sensitivity and activation volume: fcc versus bcc metals

Q Wei, S Cheng, KT Ramesh, E Ma - Materials Science and Engineering: A, 2004 - Elsevier
Two of the key parameters that are useful for understanding the deformation kinetics in
metals with ultrafine grain (UFG) and/or nanocrystalline (nc) microstructure are the strain …

Nanocrystalline materials and coatings

SC Tjong, H Chen - Materials Science and Engineering: R: Reports, 2004 - Elsevier
In recent years, near-nano (submicron) and nanostructured materials have attracted
increasingly more attention from the materials community. Nanocrystalline materials are …

Mechanistic models for the activation volume and rate sensitivity in metals with nanocrystalline grains and nano-scale twins

RJ Asaro, S Suresh - Acta Materialia, 2005 - Elsevier
This paper describes mechanistic models that seek to rationalize experimentally determined
low values for the activation volume associated with the high strain rate sensitivity of …