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Open Access

ISSN 2689-5846

© 2022 by the authors; CC BY 4.0 licence

Recent Progress in Materials , Volume 4 , Issue 2 (2022)

Pages: 105

Published: October 2022

(This book is a printed edition that was published in  Recent Progress in Materials)

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Cover Story:Even when obtained under comparable conditions, biochars derived from different feedstocks can have a wide-ranging ability to remove dyes. The selection of suitable biochars for methylene blue removal from aqueous solutions was based on their PZC values and indicated a direct dependency on the biochars’ surface charge and pH.View this paper

Volume 4,Issue 2

Open Access Original Research

Solubility of Dental Ceramics in Electric Fields

Received: 21 April 2022;  Published: 15 June 2022;  doi: 10.21926/rpm.2202012

Abstract

Combining dental ceramics with other prosthetic metallic restorations might release metal ions, thus affecting the oral tissues of the patients. In this study, we evaluated the electrochemical solubility of various dental ceramics in a galvanic experimental setup in vitro. Smooth and rough feldspathic and zirconium dioxide ceramics (at pH 5.5 and pH 3.0) were exposed to an electric field. Calcium, barium, and zirconium were selected as parameters to determine the solubility of both types of cera [...]

Open Access Review

Modifications of Glass Ionomer Cements Using Nanotechnology: Recent Advances

Received: 01 May 2022;  Published: 01 June 2022;  doi: 10.21926/rpm.2202011

Abstract

Glass ionomer cements (GICs) are dental materials that were invented by Wilson & Kent in 1972. They can chemically bond to enamel and dentin and can exhibit anti-cariogenic activity that allows the release and uptake of fluoride ions. They also possess the ability to render color. The setting reaction of GICs is a neutralization reaction that results in the formation of polycarboxylate salts. The most important GIC modification process involves the addition of resin components, resulting in [...]

Open Access Original Research

Role of Point of Zero Charge in the Adsorption of Cationic Textile Dye on Standard Biochars from Aqueous Solutions: Selection Criteria and Performance Assessment

Received: 19 April 2022;  Published: 19 May 2022;  doi: 10.21926/rpm.2202010

Abstract

The point of zero charge (PZC) is an inherent electrokinetic property of biochars (BC). It influences the adsorption process under certain pH conditions. Herein, we report the method of determination of the PZC values of ten standard BCs. We used the salt addition method to select the BCs with suitable properties for methylene blue (MB) removal from aqueous solutions. The standard BCs were obtained by pyrolyzing five different biomasses at two distinct temperatures (550°C and 700°C). The BCs der [...]

Open Access Research Article

4D Printed Shape Memory Polymers: Morphology and Fabrication of a Functional Antenna

Received: 17 February 2022;  Published: 29 April 2022;  doi: 10.21926/rpm.2202009

Abstract

Shape memory polymers (SMPs) are smart materials that can respond to certain thermal, chemical or electrical stimuli by inducing a structural conformation change into a temporary shape. In this work, a 3D printing process based on a Vat Photo-polymerization of a shape memory polymer (SMP) was investigated to produce customized smart and complex morphable antennas. The mechanical and material properties were examined through a tensile, flexural and rheological testing for different polymer mixtur [...]

Open Access Review

Development of Low Elastic Modulus Titanium Alloys as Implant Biomaterials

Received: 20 March 2022;  Published: 21 April 2022;  doi: 10.21926/rpm.2202008

Abstract

Biomaterials have always been the focus of material scientists and engineers. Titanium and its alloys have favorable properties, such as high strength, low density, good corrosion resistance, non-toxicity, low elastic modulus, biocompatibility, etc. Thus, Ti alloys have received much attention from scientists and engineers who work with biomaterials. Among these properties, the elastic modulus is a very important property for implant biomaterials because it avoids the “stress shielding” effect. [...]

Open Access Interview

An Interview with Prof. Vincenzo M. Sglavo

Received: 11 April 2022;  Published: 14 April 2022;  doi: 10.21926/rpm.2202007

Abstract

An Interview with Prof. Vincenzo M. Sglavo.

Open Access Original Research

Reaction Kinetics and Characterization of Slag-Based, High Strength, “Just-Add-Water” Type (One-Part) Alkali-Activated Binders

Received: 03 February 2022;  Published: 08 April 2022;  doi: 10.21926/rpm.2202006

Abstract

The influence of different levels of alkalinity, expressed using M2O-to-binder ratio (n) and activator SiO2-to-M2O ratio (Ms), (M being the Na+ or K+ cation) on the reaction kinetics, compressive strength development and the reaction product formation in slag-based systems activated using alkali powders are discussed. [...]
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