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Latest Articles

Open Access

Effectiveness of two adhesive universal with functional monomers on enamel and dentin with different application modes

Carolina Gealh Navarro Escobar, John Alexis Dominguez, Giovana Mongruel Gomes, Diego Alonso Melendez Murillo, Bruna Fortes Bittencourt, João Carlos Gomes

Abstract: Purpose: evaluated the effectiveness of the 3D-SR monomer in comparison with the 10-MDP monomer in bond strength (enamel and dentin), nanofiltration (dentin) with application of conventional and self-conditioning modes, sorption and solubility. Materials and methods Seventy-two molars were randomly divided int [...] Read more.

Abstract PDF (386 K) May 16, 2023 14 Downloads 112 Views DOI: 10.54647/materials430226

Open Access

On the Melting of Metals

Hasse Fredriksson

Abstract: Thermal expansion is related to the atomic vibration amplitude. Owing to the anisotropy in the lattice, the amplitude will vary with the crystallographic direction, causing strain in the lattice. The strain caused by thermal expansion induces a force large enough to initiate plastic deformation of the metal at the beginning [...] Read more.

Abstract PDF (1211 K) March 19, 2023 15 Downloads 275 Views DOI: 10.54647/materials430219

Open Access

EFFECT OF NiO AND CoO ADDITIVES ON CRYSTAL STRUCTURE AND MAGNETIC PROPERTIES IN MANUFACTURING MAGNETS BaFe₁₂O₁₉

Ramlan, Marzuki Naibaho, Endah Puspita, Yahri Seftiadi, Masno Ginting

Abstract: The synthesis of BaFe_12-2xCo_xNi_xO₁₉ (x = 0.5-1.5) at a calcination temperature of 1000°C using the coprecipitation method has been done by varying the concentration of the mixed precursor in order to identify the optimum sample. Barium Hexaferrite powder with 0.5% and 1% Nio-CoO h [...] Read more.

Abstract PDF (1467 K) March 19, 2023 8 Downloads 251 Views DOI: 10.54647/materials430216

Open Access

Research microstructure and mechanical properties of AZ31 magnesium alloy by semisolid extruding with electromagnetic stirring process

Qiang Li, Dongbai Xie, Hui Guo

Abstract: To improve AZ31 magnesium (Mg) alloy plasticity, semisolid extruding with electromagnetic stirring process was adopted, and then the mechanical properties and microstructure were studied. The melting temperature was 730℃, and the preheat temperature of the die was set as 300℃, and electromagnetic stirring parameters were 6H [...] Read more.

Abstract PDF (851 K) September 2, 2022 14 Downloads 560 Views DOI: 10.54647/materials43193

Open Access

CaP Precipitation on Titanium under UV Lighting and Effect of Urea Concentration

Qing Zhou, Liang-Liang Zhang, Ming-Li Xie

Abstract: This paper reports the precipitation of calcium phosphate (CaP) on alkaline hydrothermally treated titanium alloy under ultraviolet (UV) lighting. Urea (NH2CONH2) with different concentrations were added into a simulated body fluid buffered by sodium lactate. CO2 and NH3 gas release during immersion tests were detected. The [...] Read more.

Abstract PDF (1767 K) June 24, 2022 16 Downloads 630 Views DOI: 10.54647/materials43184

Open Access

Mechanical Properties of Cross Chiral Honeycomb(CCH) structure for the Soft and Adjustable Wearable Suit using Auxetic Structure

D. C. Lee

Abstract: This paper is to present the design consideration of the adjustable flexible auxetic structure which is used in the soft wearable suit with the multi-layer materials. In order to design a macro-auxetic structure with the elastic flexibilities of the soft wearable suit, it is important to make the auxetic unit cell with the [...] Read more.

Abstract PDF (2672 K) May 8, 2022 10 Downloads 588 Views DOI: 10.54647/materials43178

Open Access

Microstructure and properties of porous ceramics synthesized using Kubuqi desert sand

Ru Fan, Wenbin Wang, Shaohua Wang, Zhi Li, Shuojiang Han, Zhiming Shi

Abstract: Desert sand has the characteristics of large reserves, high quartz content, small and uniform particle size, low organic content and so on. High performance porous ceramic materials were prepared by particle stacking from Kubuqi desert sand, and the effects of forming pressure, holding time and sintering temperature on phas [...] Read more.

Abstract PDF (4924 K) March 7, 2022 13 Downloads 1146 Views DOI: 10.54647/materials43168

Open Access

Study on effect of Cu integration and Oxygen vacancy/defect creation in electronic properties of TiO2 photocatalyst using first principles calculations

R. Gandhimathi, R. Vidhya, R. Karthikeyan

Abstract: In this investigation, it was proposed to analyze the optimized geometry, density of states (DOS) and electronic band structures of copper (4.16%, 4.16%+oxygen vacancy & 8.33%) doped Titanium Dioxide (Cu-TiO2) photocatalysts using density functional theory corrected for on-site Coulombic interactions (DFT+U). The photocata [...] Read more.

Abstract PDF (874 K) November 30, 2021 15 Downloads 1174 Views DOI: 10.54647/materials43154

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Electroelastic Actuators for Nano- and Microdisplacement

by Sergey M. Afonin

SCIREA Journal of Physics

3057 Downloads 63164 Views

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