Results 11 to 20 of about 293,641 (360)

Pressure Dependence of the Elastic Moduli in Aluminum Rich Al-Li Compounds [PDF]

open access: yes, 1992
I have carried out numerical first principles calculations of the pressure dependence of the elastic moduli for several ordered structures in the Aluminum-Lithium system, specifically FCC Al, FCC and BCC Li, L1_2 Al_3Li, and an ordered FCC Al_7Li supercell.
A. Reuss   +35 more
arxiv   +4 more sources

Nucleophilicity/Electrophilicity Excess in Analyzing Molecular Electronics [PDF]

open access: yesarXiv, 2005
Intramolecular electron transfer capability of all metal aromatic and anti-aromatic aluminum cluster compounds is studied in terms of density functional theory based global and local reactivity descriptors. This study will provide important inputs towards the fabrication of the material required for molecular electronics.
Chattaraj, P. K.   +2 more
arxiv   +2 more sources

Conceptual Design and Parametric Optimization of a New Multileveled Horsetail Structure for Bicycle Helmets

open access: yesAdvanced Engineering Materials, EarlyView., 2023
This study aims to explore the feasibility of using a structure inspired by the features of horsetail and human spine as the potential helmet liner, targeting at mitigation of acceleration‐induced injuries. A parametric study is conducted to investigate the effect of individual geometrical variables in the design, indicating its capability to reduce ...
Bing Leng   +3 more
wiley   +1 more source

A Variational Beam Model for Failure of Cellular and Truss‐Based Architected Materials

open access: yesAdvanced Engineering Materials, EarlyView., 2023
Herein, a versatile and efficient beam modeling framework is developed to predict the nonlinear response and failure of cellular, truss‐based, and woven architected materials. It enables the exploration of their design space and the optimization of their mechanical behavior in the nonlinear regime. A variational formulation of a beam model is presented
Konstantinos Karapiperis   +3 more
wiley   +1 more source

PHASE FORMATION IN CONTACT LAYERS DURING CONTACT MELTING OF COPPER AND ALUMINUM

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2020
In this work, an attempt is made to identify the features of the structure of contact layers during the contact melting of copper with aluminum brand AMG-2 (mass composition, %: Mg – 1,8 - 2,8 , Mn – 0,2 - 0,6 , Cu – 0,1 , Zn – 0,2 ,Fe – 0,4 , Si ...
Y.N. Kasumov   +3 more
doaj   +1 more source

The soluble aluminum compounds and nanocomposite materials based on them. Part II. [PDF]

open access: yesНанотехнологии в строительстве, 2018
Simple aluminum compounds are precursors for all processes for the production of nanocomposite materials based on aluminum oxides. The present work analyzes the state of Al3+ aluminum ions in aqueous solutions. The state of Al3+ ions in aqueous solutions
KUDRYAVTSEV Pavel Gennadievich   +2 more
doaj   +1 more source

In-Situ Observation and Analysis of the Evolution of Copper Aluminum Composite Interface

open access: yesMetals, 2023
To study the micromorphology and dynamic evolution law of copper aluminum composite interface evolution, ultra-high temperature laser Confocal microscopy (CLSM) was used to observe and analyze the evolution of copper aluminum interface in situ, and then ...
Yanfang Chen   +5 more
doaj   +1 more source

Elevated IgG Antibody to Aluminum Bound to Human Serum Albumin in Patients with Crohn’s, Celiac and Alzheimer’s Disease

open access: yesToxics, 2021
Aluminum is in our water and food, and is used as an adjuvant in vaccines. About 40% of the ingested dose accumulates within the intestinal mucosa, making the gut the main target of inflammation and autoimmunity; about 1% accumulates in the skeletal ...
Aristo Vojdani
doaj   +1 more source

The influence of position in overlap joints of Mg and Al alloys on microstructure and hardness of laser welds [PDF]

open access: yes, 2013
Structure and properties of laser beam welding zone of dissimilar materials, AZ31 magnesium alloy and A5754 Aluminum alloy, are investigated. The microstructure and quality of the Mg/Al weld were studied by metallography, microhardness and optical ...
Fatih H.   +10 more
core   +5 more sources

DISSIMILAR METALS CONNECTION THROUGH FRICTION STIR WELDING (CU-AL)

open access: yesAdvanced Engineering Research, 2013
The aim of the paper is to analyze the existing techniques of producing copper and aluminum compounds. The subject matter was to study the possibility of using FSW for producing copper and aluminum compounds.
Evgeny Sergeyevich Bubenok
doaj   +1 more source

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