Results 1 to 10 of about 2,405,636 (294)

A General Procedure to Formulate 3D Elements for Finite Element Applications

open access: yesComputation, 2023
This paper presents a general procedure to formulate and implement 3D elements of arbitrary order in meshes with multiple element types. This procedure includes obtaining shape functions and integration quadrature and establishing an approach for ...
Adnan Shahriar   +2 more
doaj   +1 more source

Crystallite size and strain calculations of hard particle reinforced composite powders (Cu/Ni/Fe–WC) synthesized via mechanical alloying; pp. 66–78 [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2019
In this study, Cu–25WC, Ni–25WC, and Fe–25WC (all in wt%) composite powders were produced via mechanical alloying (MA) and characterized for their potential utilization in particulate materials based technologies.
Aydın Şelte, Burak Özkal
doaj   +1 more source

Synergistic Effect of Ni and Co Alloying on Corrosion Behavior of Fe(Ni,Co)P13C7 Metallic Glasses in 1M NaCl Solution

open access: yesInternational Journal of Electrochemical Science, 2021
This study focuses on the transition metal and metalloid containing advanced amorphous alloys possessing excellent corrosion resistance in 1 M NaCl solution. 4 different alloy compositions, including base composition and with Ni and/or Co additions, Fe80−
B. Sarac
doaj   +1 more source

Biological Activity & Some Transition Elements Complexes For 1,3,4 Ox diazole Derivatives On Growth Of Some Pathogenic Bacteria [PDF]

open access: yesKirkuk Journal of Science, 2012
In this research the biological activity studied of O-hydroxy benzoyl hydrazid (AY) which used to prepare 2-thiol-5(ortho-hydroxy phenyl) 1,3,4 oxadiazole and their derivatives as follow:first the L1 = 5- (ortho-hydroxy phenyl) –2- (acetyl methyl thio)
Ferdos Mohamed Ali, Youssra Jaleel Ahmed
doaj   +1 more source

Computational and Programming Aspects of Transition Elements in a Three-dimensional Finite Element Program [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering, 2018
The performance of any finite element (FE) structural analysis is directly related to the global number of nodes and degrees of freedom (DOF) of the discretized structure and mesh distribution attributes.
Amin Chamani, Vamegh Rasouli
doaj   +1 more source

Grain Refinement of Aluminum and Aluminum Alloys by Sc and Zr

open access: yesMetals, 2023
Rare earth elements and transition elements are widely used in aluminum alloys, magnesium alloys and copper alloys due to their unique microalloying effects.
Zhiguo Lei   +4 more
doaj   +1 more source

A p-Refinement Method Based on a Library of Transition Elements for 3D Finite Element Applications

open access: yesMathematics, 2023
Wave propagation or acoustic emission waves caused by impact load can be simulated using the finite element (FE) method with a refined high-fidelity mesh near the impact location.
Adnan Shahriar, Ahmed Jenan Mostafa
doaj   +1 more source

Site occupancy of transition elements in C15 NbCr2 laves phase: A first-principles study [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2017
Using first-principles calculations, site occupancy behaviors of transition elements in C15 NbCr2 Laves phase are systematically investigated. Elements Y, Sc, Zr, Hf, Cd, Ta, Ti and Ag prefer to occupy the Nb site, and elements Zn, Pt, Re, Tc ...
Long Q., Wang J., Du Y., Nie X., Jin Z.
doaj   +1 more source

Determination of Macroelements, Transition Elements, and Anionic Contents of Commercial Roasted Ground Coffee Available in Jordanian Markets

open access: yesBeverages, 2020
Coffee is one of the most common drinks worldwide. Due to the variability of elements composition, coffee is important for human health. The aim of this study is to assess the concentration of certain selected elements of commercial samples of roasted ...
Sati Y. Al-Dalain   +4 more
doaj   +1 more source

3D-Based Transition hpq/hp-Adaptive Finite Elements for Analysis of Piezoelectrics

open access: yesApplied Sciences, 2021
This paper concerns the algorithm of transition piezoelectric elements for adaptive analysis of electro-mechanical systems. In addition, effectivity of the proposed elements in such an analysis is presented.
Grzegorz Zboiński, Magdalena Zielińska
doaj   +1 more source

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