نتایج جستجو برای: microstructural evolution

تعداد نتایج: 353951  

2007
K. BARMAK

Modeling and analysis of texture evolution in polycrystalline materials is a major challenge in materials science. It requires understanding grain boundary or interface evolution at the network level, where topological reconfigurations (critical events) play an important role. In this paper, we investigate grain boundary evolution in a simplified one-dimensional system designed specifically to ...

2014
Kang Yuan Robert Eriksson Ru Peng Xin-Hai Li Sten Johansson Yandong Wang Lin Peng Yan-Dong Wang

MCrAlY coatings are deposited onto superalloys to provide oxidation and corrosion protection at high temperature by the formation of a thermally grown oxide scale. In this project, the oxidation behaviour of a HVOF CoNiCrAlYSi coating on IN792 was studied for both isothermal oxidation (900, 1000 and 1100 °C) and thermal cycling (100-1100 °C). The microstructural evolution of the CoNiCrAlYSi coa...

Journal: :Journal of the American Ceramic Society 1996

Journal: :Journal of the Mexican Chemical Society 2017

2007
Eric D. Wetzel

Fluid-fluid mixtures often possess a fine structure, or morphology, whose length scale is much smaller than the length scale over which the flow field and morphology vary. We define a microstructural variable called the area tensor, which describes the local morphology of such mixtures through volume-averaged size, shape, and orientation characteristics. The area tensor is equivalent to the int...

2013
R. S. Mishra B. Davis R. DeLorme K. J. Doherty K. C. Cho

The initial microstructure plays an important role in determining the spatial and temporal evolution of the microstructure during friction stir welding (FSW). The overall kinetics of microstructural evolution is location sensitive and the effect of the process strain, strain rate and thermal cycle creates complexities. In the present study, magnesium based WE43 alloy has been welded employing t...

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