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Open Access

ISSN 2689-5846

© 2021 by the authors; CC BY 4.0 licence

Recent Progress in Materials , Volume 3 , Issue 1 (2021)

Pages: 175

Published: May 2021

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

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Cover Story: This paper investigates the suitability of shape memory Nitinol (50.6% Ni and 49.4% Ti) alloy wire bundles to seismic event applications. A basic methodology for preparing wire bundles (of wire diameter ≤ 1mm) is presented. Results are reported from microstructure analyses along with static and cyclic dynamic tests. The nonlinear, hysteretic, behaviour displayed by the bundles confirms their applicability in seismic resistant design. View this paper.

Volume 3,Issue 1

Open Access Original Research

The behaviour of Nitinol Wire Bundles for Structural Applications

Received: 19 August 2019;  Published: 30 March 2021;  doi: 10.21926/rpm.2101009

Abstract

Shape memory alloys (SMA) are metallic materials with special thermo-mechanical characteristics which could have many structural applications. Within this class of materials, Ni-Ti (Nickel-Titanium) alloys have numerous applications owing to the significant non-linear behaviour they demonstrate. Nitinol, one of the Ni-Ti alloys, has unique properties such as super-elasticity and shape memory effect which makes it suitable for damping vibrations transmitted to structures during high wind and seis [...]

Open Access Original Research

Effect of Fiber/Matrix Interface Modification on Basalt Fiber Reinforced Geopolymer Composites

Received: 22 December 2020;  Published: 29 March 2021;  doi: 10.21926/rpm.2101008

Abstract

Continuous fiber reinforced geopolymer matrix composites offer the potential for use in structural applications at temperatures up to 700°C, while enabling the manufacture at temperatures below 100°C. Studies have investigated a variety of fiber reinforcements, including carbon, SiC and Al2O3. While there has been active research into various grades of Al2O3 fibers, SiC is most commonly used for high temperature reinforcement of geopolymers in oxidizing environments. Both families of reinforc [...]

Open Access Review

Progress of Nanomaterials in Preventative and Restorative Dentistry

Received: 02 November 2020;  Published: 05 March 2021;  doi: 10.21926/rpm.2101007

Abstract

To date, many studies have examined the development and use of novel materials, enhancing the performance of existing dental composites and improving methods for restoring tooth structure. In recent years, nanotechnology-based techniques have been used to develop a variety of nanomaterial-based dental products aimed at conservative dentistry applications. These new nanomaterial-based materials offer improved physicochemical and mechanical properties, combined with enhanced aesthetics [...]

Open Access Original Research

Dimensional, Mechanical and LCA Characterization of Terrazzo Tiles along with Glass and Construction and Demolition Waste (CDW)

Received: 12 December 2020;  Published: 02 March 2021;  doi: 10.21926/rpm.2101006

Abstract

In this work, two types of wastes were introduced, namely, glass from municipal waste and Construction and Demolition Waste (CDW). The latter, which was obtained from rubble generated by the seismic events occurred in Central Italy in 2016, was introduced in two configurations, the single-layer and the double-layer of the cement-based Terrazzo tiles. A maximum of 77% of waste introduction was proven to be possible, therefore creating the possibility of obtaining construction products including h [...]

Open Access Review

High-Performance Polymers for Aeronautic Wires Insulation: Current Uses and Future Prospects

Received: 25 November 2020;  Published: 25 February 2021;  doi: 10.21926/rpm.2101005

Abstract

Polymers such as polyimides and fluoropolymers are widely used for insulating aeronautic wires. They are exposed to various changing factors such as temperature, pressure, moisture, vibration, chafing, etc. The electrification on the horizon can potentially increase the demand for these systems. Indeed, this impending evolution of technology pushes the boundaries of commonly-employed wires. Downsizing systems and enhancing the performance is an urgent requirement. A new generation of insulating [...]

Open Access Original Research

Toward Next Generation Plasmonic Nanopore Slit Platform with a ~10 nm Slit-Width

Received: 22 December 2020;  Published: 05 February 2021;  doi: 10.21926/rpm.2101004

Abstract

We fabricated various nanoaperture plasmonic platforms for single-molecule detection. We fabricated nanoapertures like nanopores on a pyramid and nanoslits on an Au flat membrane using a Ga ion focused ion beam drilling technique, followed by irradiating with a high energy electron beam, dependent on the electron beam current density to obtain nanoapertures with a few nanometer sizes (circular nanopore, nanoslit pores). We examined their optical characteristics with varying aperture sizes and sa [...]

Open Access Original Research

Tribological Behaviour of Sputter Coated ZnO Thin Films

Received: 13 August 2020;  Published: 22 January 2021;  doi: 10.21926/rpm.2101003

Abstract

The tribological properties of ZnO thin film coated on an aluminium work piece by RF magnetron sputtering were studied as a function of deposition power, substrate coating temperature, heat treatment and rotation speed. The variation in the coefficient of friction of ZnO films produced under various levels of coating parameters and conditions were experimentally determined using a pin-on-disk tribometer. The results showed that with change in deposition conditions and heat treatment, there are s [...]

Open Access Original Research

Deflection of a Concrete T-beam with Prestressed and Non-prestressed Fiber Reinforcement Polymers at Elevated Temperatures

Received: 15 November 2020;  Published: 15 January 2021;  doi: 10.21926/rpm.2101002

Abstract

Prestressed concrete members have gained popularity as an efficient and effective way of designing a structural member with the best engineering and material properties. The method of prestressing a structural concrete member has the capability of controlling increased service loads with less depth over longer spans. However, deflections from over-loading or loading over time give a disadvantage to the common steel reinforced concrete members by the effect of corrosion as the structural concrete [...]

Open Access Editorial

Acknowlegement to Reviewers of Recent Progress in Materials in 2020

Received: 07 January 2021;  Published: 07 January 2021;  doi: 10.21926/rpm.2101001

Abstract

The editors of Recent Progress in Materials would like to express their sincere gratitude to the following reviewers for assessing manuscripts in 2020. We greatly appreciate the contribution of expert reviewers, which is crucial to the journal's editorial process. We aim to recognize reviewer contributions through several mechanisms, of which the annual publication of reviewer names is one. Reviewers receive a voucher entitling them to a discount on their next LI [...]
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