Open Access Review

Current Advancements in the Behavior Analysis of EPDM Elastomers in Peripheral Applications of the Cathodic Side of PEMFC Systems

by Daniel Foltuț  and Viorel-Aurel Șerban

Received: 30 June 2024;  Published: 04 November 2024;  doi: 10.21926/rpm.2404026

Abstract

This review examines the latest developments in the study of how Ethylene Propylene Diene Monomer (EPDM) elastomers behave in peripheral applications of Proton Exchange Membrane Fuel Cells (PEMFCs), specifically on the cathodic side. The review highlights the crucial role of EPDM in maintaining the [...]

326 2217

Open Access Review

Research Progress in Enhancing Proton Conductivity of Sulfonated Aromatic Polymers with ZIFs for Fuel Cell Applications

by Bita Soleimani  , Ali Haghighi Asl  , Behnam Khoshandam  and Khadijeh Hooshyari

Received: 22 June 2024;  Published: 04 November 2024;  doi: 10.21926/rpm.2404025

Abstract

The escalating global temperatures and their adverse effects underscore the growing imperative for the widespread adoption of clean fuels, notably hydrogen. Proton Exchange Membrane Fuel Cells (PEMFC) emerge as a pivotal green energy technology, facilitating electricity and water generation. The opt [...]

286 2045

Open Access Review

Emerging Trends in Engineering Polymers: A Paradigm Shift in Material Engineering

by Mohammad Harun-Ur-Rashid  and Abu Bin Imran

Received: 30 June 2024;  Published: 30 September 2024;  doi: 10.21926/rpm.2403024

Abstract

Emerging Trends in Engineering Polymers signify a pivotal transformation in material engineering, marking a departure from traditional materials towards innovative, multifunctional, and sustainable polymers. This review delineates the forefront of advancements in polymer materials, inclu [...]

572 7491

Open Access Review

Revolutionizing Infrastructure Development: Exploring Cutting-Edge Advances in Civil Engineering Materials

by Michael Toryila Tiza  , Samson Imoni  , Ebenezer Ogırıma Akande  , Onyebuchi Mogbo  , Victoria Hassana Jiya  and Collins Onuzulike

Received: 04 July 2023;  Published: 26 September 2024;  doi: 10.21926/rpm.2403023

Abstract

This study addresses the evolving challenges in infrastructure development by exploring recent advancements in civil engineering materials. The problem lies in the limitations of traditional materials such as concrete and steel, which, wh [...]

311 3440

Open Access Review

Nanomedicine: Pioneering a New Frontier in Neuro-Ophthalmology

by Georgia Savvidou  , Spyratou Ellas  and Efstathios P Efstathopoulos

Received: 23 April 2024;  Published: 29 August 2024;  doi: 10.21926/rpm.2403022

Abstract

Nanotechnology is one of the most promising fields of study, and it represents a pioneering leap in science and technology by the precise control over materials at the atomic and molecular level. This transformation affects numerous aspects of modern human life, including medicine, healthcare, elect [...]

416 2645

Open Access Original Research

Obtaining of WC–Co- and WC–TiC–Co-Based Ultradispersive Alloys Modified with B₄C–TiB₂ Quasieutetic

by Otar Tsagareishvili  , Archil Mikeladze  , Roin Chedia  , Tamaz Batsikadze  and Levan Chkhartishvili

Received: 21 March 2024;  Published: 26 August 2024;  doi: 10.21926/rpm.2403021

Abstract

Tungsten carbide WC-based materials characterized by high hardness and wear resistance have long been widely used in manufacturing cutting and mining tools. They are alloyed or modified with different ceramic phases to improve operational characteristics further.

479 2812

Open Access Original Research

Influence of Thermal Environment Conditions on Mechanical Properties of MEX Printed 17-4 PH Stainless Steel

by Bruno Schubert  and David Hochmann

Received: 18 February 2024;  Published: 22 August 2024;  doi: 10.21926/rpm.2403020

Abstract

This study investigates the influence of thermal environmental conditions during printing and their effects on the mechanical properties of material extrusion (MEX) 3D-printed 17-4 PH stainless steel. Various ambient temperatures and cooling behaviors were used during the printing process of the ten [...]

291 1964

Open Access Original Research

Sustainable Concrete with Zero Carbon Footprint

by Ahmed Alawais  and Roger P West

Received: 15 April 2024;  Published: 09 August 2024;  doi: 10.21926/rpm.2403019

Abstract

This paper describes a method to use solely recycled and by-product materials as constituents to form concrete that can be used in buildings structural applications. As concrete is one of the most important materials in human civilization, where it is used widely in construction, cement [...]

331 3034

Open Access Original Research

Construction and Evaluation of a Modular Anthropomorphic Phantom of the Skull with an Exchangeable Specimen Jar to Optimize the Radiological Examination of Temporal Bone Pathology

by Malin Vestin Fredriksson  , Love Kull  , Anton Rönnblom  , Lennart Flygare  , Diana Berggren  and Krister Tano

Received: 26 March 2024;  Published: 25 July 2024;  doi: 10.21926/rpm.2403018

Abstract

To develop a modular anthropomorphic phantom to evaluate the performance of radiological techniques for detecting pathologies in the temporal bone region. A phantom was constructed using a human skull, temporal bone specimen, and 3D-printed contour of a human skull. The human skull was embedded in t [...]

394 2291

Open Access Review

Impact of Pernicious Chemicals on Geopolymer and Alkali-Activated Composites Incorporated with Different Fiber Types: A Review

by Khatib Zada Farhan  , Ayman Sabry Shihata  and Adams Balade Abubakar

Received: 27 March 2024;  Published: 22 July 2024;  doi: 10.21926/rpm.2403017

Abstract

Over the past decade, developing geopolymer mixes to replace ordinary Portland Cement (OPC) composites has yielded positive results, leading to extensive research. The incorporation of fibers in geopolymers, besides impacting the mechanical properties, has also significantly impacted dur [...]

362 3060