Results 21 to 30 of about 44,447 (249)

Capturing Local Material Heterogeneities in Numerical Modelling of Microstructure Evolution

Journal of Machine Engineering, 2021
The work focuses on developing the complex digital shadow of the metallic material microstructure that can predict its evolution during metal forming operations.
Lukasz Madej, Mateusz Sitko, Aleksander Fular, Rafał Sarzyński, Mariusz Wermiński, Konrad Perzyński   +5 more
doaj   +1 more source

Microstructure evolution during severe plastic deformation [PDF]

Philosophical Magazine, 2011
Radiotracer diffusion studies of severely deformed, ultra-fine grained materials have revealed the presence of ultra-fast transport paths, which include "non-equilibrium" grain boundaries and free volume. Under some experimental conditions, percolating porosity is produced even in pure copper [Ribbe et al., Phys. Rev. Lett. 2009]. Micro-cracks may form
Divinski, Sergiy, Padmanabhan, Anantha K, Wilde, Gerhard   +2 more
openaire   +1 more source

Magnetic Barkhausen Noise Transient Analysis for Microstructure Evolution Characterization with Tensile Stress in Elastic and Plastic Status

Sensors, 2021
Stress affects the microstructure of the material to influence the durability and service life of the components. However, the previous work of stress measurement lacks quantification of the different variations in time and spatial features of ...
Jia Liu, GuiYun Tian, Bin Gao, Kun Zeng, QianHang Liu, Yang Zheng   +5 more
doaj   +1 more source

Prediction of microstructure gradient distribution in machined surface induced by high speed machining through a coupled FE and CA approach

Materials & Design, 2020
Surface integrity is the permanent pursuit of industries for decades, and microstructure is a key factor controlling physical and mechanical properties of machined surfaces.
Hongguang Liu, Jun Zhang, Binbin Xu, Xiang Xu, Wanhua Zhao   +4 more
doaj   +1 more source

Microstructure Evolution in a Solid Oxide Fuel Cell Stack Quantified with Interfacial Free Energy

Energies, 2021
Degradation of electrode microstructure is one of the key factors affecting long term performance of Solid Oxide Fuel Cell systems. Evolution of a multiphase system can be described quantitatively by the change in its interfacial energy.
Tomasz A. Prokop, Grzegorz Brus, Janusz S. Szmyd   +2 more
doaj   +1 more source

Microstructure evolution of hydrated cement pastes [PDF]

Physical Review E, 2005
We propose an original method based on both proton nuclear magnetic relaxation dispersion and high-resolution NMR spectra to investigate the microstructure of synthesized Ca3SiO5-hydrated cement paste. This method allows a clear assessment of the local proton chemical sites as well as the determination of dynamical information of moving proton species ...
Plassais, A., Pomies, M.P., Lequeux, N., Korb, J.P., Petit, D., Barberon, F., Bresson, B.   +6 more
openaire   +3 more sources

Microstructural evolution of helium-implanted α-SiC [PDF]

Physical Review B, 2000
Helium has a decisive effect on the microstructure of silicon carbide materials after implantation and subsequent annealing. A dense population of bubbles and dislocation loops is already observed at relatively low displacement doses after annealing of helium-implanted \ensuremath{\alpha}-SiC, while no visible damage appears after irradiation without ...
Chen, J., Jung, P., Trinkhaus, H.
openaire   +2 more sources

Microscopic seepage simulation of gas and water in shale pores and slits based on VOF

Open Physics
The microscopic pore-fracture structure and wettability have a significant influence on the two-phase seepage of shale gas and water. Due to the limitation of experimental conditions, the seepage patterns of gas and water in shale pores and slits under ...
Wang Benqiang, Han Denglin, Lin Wei, Nie Xin, Wang Chenchen, Zhang Jizhen   +5 more
doaj   +1 more source

Factors Controlling Differences in Morphology and Fractal Characteristics of Organic Pores of Longmaxi Shale in Southern Sichuan Basin, China

Fractal and Fractional
Shale gas is a prospective cleaner energy resource and the exploration and development of shale gas has made breakthroughs in many countries. Structure deformation is one of the main controlling factors of shale gas accumulation and enrichment in complex
Yuanlin Wang, Denglin Han, Wei Lin, Yunqian Jia, Jizhen Zhang, Chenchen Wang, Binyu Ma   +6 more
doaj   +1 more source

Data supporting the hierarchically activated deformation mechanisms to form ultra-fine grain microstructure in carbon containing FeMnCoCr twinning induced plasticity high entropy alloy

Data in Brief, 2022
This article presents data regarding the research paper entitled “Hierarchically activated deformation mechanisms to form ultra-fine grain microstructure in carbon containing FeMnCoCr twinning induced plasticity high entropy alloy [1]”.
Mohsen Saboktakin Rizi, Hossein Minouei, Byung Ju Lee, Hesam Pouraliakbar, Mohammad Reza Toroghinejad, Sun Ig Hong   +5 more
doaj   +1 more source