Six decades of the Hall–Petch effect–a survey of grain-size strengthening studies on pure metals

ZC Cordero, BE Knight… - International Materials …, 2016 - journals.sagepub.com
Refining a metal's grain size can result in dramatic increases in strength, and the magnitude
of this strengthening increment can be estimated using the Hall–Petch equation. Since the …

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 …

Grain boundary stability governs hardening and softening in extremely fine nanograined metals

J Hu, YN Shi, X Sauvage, G Sha, K Lu - Science, 2017 - science.org
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 …

A review of electrodeposited Ni-Co alloy and composite coatings: Microstructure, properties and applications

A Karimzadeh, M Aliofkhazraei, FC Walsh - Surface and Coatings …, 2019 - Elsevier
Nisingle bondCo alloy electrodeposits have been widely employed in industry due to their
good corrosion and wear resistance, high mechanical strength, moderate thermal …

Ultrastrong nanotwinned pure nickel with extremely fine twin thickness

F Duan, Y Lin, J Pan, L Zhao, Q Guo, D Zhang, Y Li - Science Advances, 2021 - science.org
The strength of nanocrystalline and nanotwinned metals stops increasing or even starts
decreasing when their grain size or twin thickness is below a critical size—a phenomenon …

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 …

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 …

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 …

Grain boundary-mediated plasticity in nanocrystalline nickel

Z Shan, EA Stach, JMK Wiezorek, JA Knapp… - Science, 2004 - science.org
The plastic behavior of crystalline materials is mainly controlled by the nucleation and
motion of lattice dislocations. We report in situ dynamic transmission electron microscope …

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 …