Results 31 to 40 of about 8,185,728 (308)

Shearing Characteristics of Cu-Cu Joints Fabricated by Two-Step Process Using Highly <111>-Oriented Nanotwinned Cu

open access: yesMetals, 2021
Cu-Cu bonding has the potential to break through the extreme boundary of scaling down chips’ I/Os into the sub-micrometer scale. In this study, we investigated the effect of 2-step bonding on the shear strength and electrical resistance of Cu-Cu ...
Jia-Juen Ong   +4 more
doaj   +1 more source

GROWTH OF GRAINS IN BROWN DWARF DISKS [PDF]

open access: yesThe Astrophysical Journal, 2013
6 pages, 4 figures, accepted by ...
Meru, Farzana   +2 more
openaire   +2 more sources

Probing the Deformation Mechanisms of Nanocrystalline Silver by In-Situ Tension and Synchrotron X-ray Diffraction

open access: yesMetals, 2020
The mechanisms responsible for the deformation of nanocrystalline materials are not well understood although many mechanisms have been proposed. This article studies the room-temperature stress-strain relations of bulk nanocrystalline silver deformed in ...
Baoru Sun, Tongde Shen
doaj   +1 more source

Ultrasonic Welding of Nickel with Coarse and Ultrafine Grained Structures

open access: yesMetals, 2021
Solid state joints of samples of coarse-grained (CG) and ultrafine-grained (UFG) nickel have been obtained for the first time using spot ultrasonic welding (USW).
Elvina R. Shayakhmetova   +2 more
doaj   +1 more source

Grain Growth in Open Systems

open access: yesDiffusion Foundations, 2015
Grain growth in open systems is analyzed for the cases of flux-driven ripening during soldering, flux-driven lateral growth during deposition of thin films, flux-driven lateral growth during reactive growth of intermediate phase, flux-driven lateral growth of antiphase domains in FCC-phase A3B and BCC-phase AB during the diffusion growth of ordered ...
Andriy Gusak   +2 more
openaire   +2 more sources

The Effect of Strain Rate on the Deformation Processes of NC Gold with Small Grain Size

open access: yesCrystals, 2020
The strength of nanocrystalline (NC) metal has been found to be sensitive to strain rate. Here, by molecular dynamics simulation, we explore the strain rate effects on apparent Young’s modulus, flow stress and grain growth of NC gold with small size. The
Jialin Liu   +4 more
doaj   +1 more source

Effect of withdrawal rates on temperature field and grain competitive growth of directionally solidified DZ4125 alloy

open access: yesJournal of Aeronautical Materials, 2023
In order to investigate the distribution of temperature field in directionally solidified DZ4125 columnar superalloy, and to study the effects of different withdrawl rates on the changes of temperature gradient and mushy zone, the directional ...
LIU Guohuai   +6 more
doaj   +1 more source

The influence of nanoparticles on dendritic grain growth in Mg alloys

open access: yesActa Materialia, 2018
Melt processing offers a cost effective method for producing metal matrix nanocomposite (MMNC) components; however, the influence of nanoparticles on the evolving microstructure during solidification is still not well understood.
E. Guo   +7 more
semanticscholar   +1 more source

Influence of Hot Forging Parameters on a Low Carbon Continuous Cooling Bainitic Steel Microstructure

open access: yesMetals, 2020
Thermomechanical processing of low carbon bainitic steels is used to obtain a bainitic microstructure with good strength and toughness by continuous cooling after forging without the need of further heat treating, hence reducing manufacturing costs ...
Antonio Carlos de Figueiredo Silveira   +5 more
doaj   +1 more source

Understanding secondary phase inclusion and composition variations in the microstructure design of n-type Bi2Te3 alloys via selective dissolution of KCl

open access: yesJournal of Advanced Ceramics, 2023
This study investigated the effects of KCl treatment on microstructure and thermoelectric properties of n-type Bi2Te2.7Se0.3 (BTS) thermoelectric materials.
Gwang Min Park   +6 more
doaj   +1 more source

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