نتایج جستجو برای: microstructural characteristics

تعداد نتایج: 673675  

Journal: :Construction technologies and architecture 2022

The study of lime-based systems is vital to the design new sustainable building materials. Air lime (calcium hydroxide, Ca (OH) 2 ) a binder that has attracted considerable attention for its ability capture CO from atmosphere, low-cost and low-energy production process. Furthermore, an important phase hydrated Portland cements, mortars have shown high elasticity self-healing. performance materi...

Journal: :international journal of iron and steel society of iran 0
s. zarei department of mechanical engineering, isfahan university of technology, isfahan 84156-83111, iran r. jafari nedoushan department of mechanical engineering, isfahan university of technology, isfahan 84156-83111, iran

the microstructure of dual phase steels can be considered as a matrix of ferrite phase reinforced by martensite particles. recent measurements show that the mechanical properties of the ferrite phase are changed with the distance from the martensite grains. in this paper, a new method has been proposed to consider this phenomenon in finite element modeling of dual phase steels microstructure. i...

Journal: :Neuron 2000
Torkel Klingberg Maj Hedehus Elise Temple Talya Salz John D.E Gabrieli Michael E Moseley Russell A Poldrack

Diffusion tensor magnetic resonance imaging (MRI) was used to study the microstructural integrity of white matter in adults with poor or normal reading ability. Subjects with reading difficulty exhibited decreased diffusion anisotropy bilaterally in temporoparietal white matter. Axons in these regions were predominantly anterior-posterior in direction. No differences in T1-weighted MRI signal w...

2008
Michael Groeber Somnath Ghosh Michael D. Uchic Dennis M. Dimiduk

This is the second of a two-part paper intended to develop a framework for collecting data, quantifying characteristics and subsequently representing microstructural information from polycrystalline materials. The framework is motivated by the need for incorporating accurate three-dimensional grain-level morphology and crystallography in computational analysis models that are currently gaining ...

2017
C Santos

Designing nanostructured materials with high dosimetric efficiency is a great challenge in radiation dosimetry research. From rare-earth series, yttrium oxide is considered as excellent host matrix for rare-earth ions, leading to formation of advanced functional materials with optical, mechanical, chemical, and thermal properties notably improved. Nevertheless, there is a lack of information wh...

2013
C. M. Barth R. S. Wilson A. Capuano S. Zhang D. A. Bennett K. Arfanakis

Target Audience: Researchers in brain MRI of aging. Purpose: Previous research suggests that more frequent cognitive activity in late life is associated with lower rate of cognitive decline, reduced risk of cognitive impairment, Alzheimer’s disease and dementia [1,2]. The underlying mechanism is thought to be that more frequent cognitive activity builds “cognitive reserve”, which reduces suscep...

2011
M. E. Alam M. Gupta

In the present study, 1.1 volume percent of nano size copper was incorporated into pure tin using hybrid microwave sintering assisted powder metallurgy route. Microwave sintered samples were extruded both at room temperature and at 230 °C. Microstructural characterization studies were conducted on the extruded samples to investigate the distribution characteristics of secondary phase and grain ...

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