Metal-mediated and metal-catalyzed reactions under mechanochemical conditions

A Porcheddu, E Colacino, L De Luca, F Delogu - ACS Catalysis, 2020 - ACS Publications
The extraordinary impact of metal-based complexes on synthetic methods is still recognized
nowadays, and attempts are currently undertaken to further extend the use of metal-assisted …

Advancement of mechanical engineering in extreme environments

Z Qin, YT Wu, A Eizad, SK Lyu, CM Lee - International Journal of Precision …, 2021 - Springer
With the continuing increase in the use of technology in the modern world, the
environmental demands placed on mechanical products have become increasingly harsh …

Competition between precipitation and dissolution in Cu–Ag alloys under high pressure torsion

BB Straumal, V Pontikis, AR Kilmametov, AA Mazilkin… - Acta Materialia, 2017 - Elsevier
Severe plastic deformation (SPD) always leads to the strong grain refinement in the
materials. Logically, in two-and multiphase alloys SPD has to cause the fragmentation and …

Phase evolution in driven alloys: An overview on compositional patterning

RS Averback, P Bellon, SJ Dillon - Journal of Nuclear Materials, 2021 - Elsevier
Irradiation of alloys with energetic particles leads to the forced chemical mixing of atoms and
the creation of point defects. At elevated temperatures, the point defects are mobile and …

Benefits of pattern formation by severe plastic deformation

R Kulagin, Y Beygelzimer, A Bachmaier, R Pippan… - Applied Materials …, 2019 - Elsevier
Nature abounds with patterns of various kinds. Possible cellular, helical, wavy, fold-like,
fractal, and other structures provide natural objects with distinctive, and often unique …

Effect of processing temperature on the microstructural characteristics of Cu-Ag nanocomposites: From supersaturation to complete phase decomposition

KS Kormout, P Ghosh, A Bachmaier, A Hohenwarter… - Acta Materialia, 2018 - Elsevier
Initially micrometer-sized powder blends of different compositions (Cu-6at% Ag, Cu-37 at%
Ag and Cu-84 at% Ag corresponding to Cu-9vol% Ag, Cu-46 vol% Ag and Cu-89 vol% Ag) …

Immiscible nanostructured copper-aluminum-niobium alloy with excellent precipitation strengthening upon friction stir processing and aging

S Sinha, M Komarasamy, S Thapliyal, B Gwalani… - Scripta Materialia, 2019 - Elsevier
A ternary immiscible nanostructured Cu-Al-Nb alloy was fabricated by friction stir processing
of mechanically compacted pellets. Subsequently, aging was carried out at 563 K for various …

Phase transitions in copper–silver alloys under high pressure torsion

BB Straumal, AR Kilmametov… - International Journal of …, 2019 - degruyter.com
The influence of high pressure torsion (HPT) on the formation and decomposition of solid
solutions in the copper–silver system has been studied. The investigated Cu-8 wt.% Ag alloy …

Sliding wear of nanocrystalline Nb-Ag at elevated temperatures: Evolution of subsurface microstructure and its correlation with wear performance

K Chu, J Zhou, F Ren - Wear, 2018 - Elsevier
An in-depth understanding of the formation of subsurface microstructure and its correlation
with wear performance is a prerequisite towards controlling friction and wear at high …

Basic research needs for future nuclear energy: report of the basic energy sciences workshop for future nuclear energy, august 9-11, 2017

K Beierschmitt, M Buchanan, A Clark, I Robertson… - 2017 - osti.gov
Nuclear power today accounts for approximately 20% of the electrical supply for the US. It
provides reliable energy that helps to stabilize the national grid. In contrast to current nuclear …