Results 11 to 20 of about 8,185,728 (308)

A design for preparation of textured piezoelectric ceramics based on the phase-field simulation

open access: yesJournal of Advanced Dielectrics, 2022
To solve the problem of directional arrangement of small template particles, we designed a lamination technique for the preparation of dense ceramics with high texture degree based on the phase-field simulation.
Yongmei Zhang, Liangliang Liu
doaj   +1 more source

Comparative Study of Prior Particle Boundaries and Their Influence on Grain Growth during Solution Treatment in a Novel Nickel-Based Powder Metallurgy Superalloy with/without Hot Extrusion

open access: yesMetals, 2022
The prior particle boundaries (PPBs), as one of the typical defects in the nickel-based powder metallurgy superalloy, largely affect the microstructure and thus properties/performance of alloys. However, the effect of PPBs on the microstructure evolution
Yancheng Jin   +4 more
doaj   +1 more source

Texture enhancement during grain growth of magnesium alloy AZ31B

open access: yesActa Materialia, 2015
Govindarajan Muralidharan, S R Agnew
exaly   +2 more sources

Effect of Peak Temperatures on Microstructure and Properties of Welding Coarse Grain Heat-Affected Zone of SA508 Gr.4N Steel

open access: yesMetals, 2022
The effect of peak temperatures on the grain growth, microstructure transformation and Vickers hardness of the weld coarse grain heat-affected zone (CGHAZ) of SA508 Gr.4N steel for nuclear reactor pressure vessel was studied.
Shumeng Lu   +6 more
doaj   +1 more source

The Effect of Sintering Additive on Grain Growth in UO2 Nuclear Fuel Pellet [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2018
In this work, a powder with specific chemical and physical characteristics was used and the effect of different additives on grain growth and densification of UO2 pellets were studied.
R A. Rahimi, M Iravani, M Mohammadifar
doaj   +1 more source

Grains, Growth, and Grooving

open access: yesPhysical Review Letters, 2003
We report the in situ investigation of grain growth and grain boundary migration, performed with a variable-temperature scanning tunneling microscope (STM) on a polycrystalline gold film. Atomic step resolution allowed us to identify the individual grains and, thus, also the grain boundaries.
Rost, M.J., Quist, D.A., Frenken, J.W.M.
openaire   +5 more sources

On the Grain Growth Kinetics of a Low Density Steel

open access: yesMetals, 2019
The grain growth kinetics of an age-hardenable Fe-Mn-Al-C steel were investigated. Kinetics of grain growth were determined between 1173 and 1348 K (900−1075 °C) to obtain a range of grain sizes from 30 to 475 μm.
Daniel M. Field   +2 more
doaj   +1 more source

A kinetic model for grain growth

open access: yesKinetic & Related Models, 2008
We provide a well-posedness analysis of a kinetic model for grain growth introduced by Fradkov which is based on the von Neumann-Mullins law. The model consists of an infinite number of transport equations with a tri-diagonal coupling modelling topological changes in the grain configuration.
Henseler, R   +3 more
openaire   +2 more sources

Dynamically Recrystallized Microstructures, Textures, and Tensile Properties of a Hot Worked High-Mn Steel

open access: yesMetals, 2019
The deformation microstructures and mechanical properties were studied in a high-Mn steel subjected to hot compression. The deformation microstructures resulted from the development of dynamic recrystallization (DRX).
Pavel Dolzhenko   +3 more
doaj   +1 more source

Grain growth and Hall-Petch relationship in a refractory HfNbTaZrTi high-entropy alloy

open access: yesJournal of Alloys and Compounds, 2019
Understanding the effect of temperature variation on the microstructural evolution is particularly important to refractory high-entropy alloys (RHEAs), given their potential high-temperature applications.
Shuying Chen   +6 more
semanticscholar   +1 more source

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