Seventy years of Hall-Petch, ninety years of superplasticity and a generalized approach to the effect of grain size on flow stress
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 …
flow stress of metallic materials. A linear relationship to the inverse of the square root of the …
Review on superior strength and enhanced ductility of metallic nanomaterials
Nanostructured metallic materials having nanocrystalline and ultrafine-grained structures
show exceptional mechanical properties, eg superior strength, that are very attractive for …
show exceptional mechanical properties, eg superior strength, that are very attractive for …
Structural evolutions of metallic materials processed by severe plastic deformation
Abstract Bulk nanostructured (ns)/ultrafine-grained (UFG) metallic materials possess very
high strength, making them attractive for high strength, lightweight and energy efficient …
high strength, making them attractive for high strength, lightweight and energy efficient …
[HTML][HTML] Towards strength–ductility synergy through the design of heterogeneous nanostructures in metals
Metals can be processed to reach ultra-high strength, but usually at a drastic loss of ductility.
Here, we review recent advances in overcoming this tradeoff, by purposely deploying …
Here, we review recent advances in overcoming this tradeoff, by purposely deploying …
Grain boundary stability governs hardening and softening in extremely fine nanograined metals
Conventional metals become harder with decreasing grain sizes, following the classical Hall-
Petch relationship. However, this relationship fails and softening occurs at some grain sizes …
Petch relationship. However, this relationship fails and softening occurs at some grain sizes …
[HTML][HTML] From 1D Nanofibers to 3D Nanofibrous Aerogels: A Marvellous Evolution of Electrospun SiO2 Nanofibers for Emerging Applications
C Liu, S Wang, N Wang, J Yu, YT Liu, B Ding - Nano-Micro Letters, 2022 - Springer
Abstract One-dimensional (1D) SiO2 nanofibers (SNFs), one of the most popular inorganic
nanomaterials, have aroused widespread attention because of their excellent chemical …
nanomaterials, have aroused widespread attention because of their excellent chemical …
[HTML][HTML] Massive interstitial solid solution alloys achieve near-theoretical strength
Abstract Interstitials, eg, C, N, and O, are attractive alloying elements as small atoms on
interstitial sites create strong lattice distortions and hence substantially strengthen metals …
interstitial sites create strong lattice distortions and hence substantially strengthen metals …
Deformation mechanism and force modelling of the grinding of YAG single crystals
YAG single crystals are the primary host materials for solid-state lasers at multi-kW scale and
must be processed using ultra-precision grinding to achieve a satisfactory dimensional …
must be processed using ultra-precision grinding to achieve a satisfactory dimensional …
Inhibiting creep in nanograined alloys with stable grain boundary networks
BB Zhang, YG Tang, QS Mei, XY Li, K Lu - Science, 2022 - science.org
Creep, the time-dependent deformation of materials stressed below the yield strength, is
responsible for a great number of component failures at high temperatures. Because grain …
responsible for a great number of component failures at high temperatures. Because grain …
[HTML][HTML] Engineering crystalline quasi-two-dimensional polyaniline thin film with enhanced electrical and chemiresistive sensing performances
Engineering conducting polymer thin films with morphological homogeneity and long-range
molecular ordering is intriguing to achieve high-performance organic electronics …
molecular ordering is intriguing to achieve high-performance organic electronics …