Showing papers in "Journal of Magnesium and Alloys in 2019"

TL;DR: In this paper, the authors analyzed all the academic articles published by Journal of Magnesium and Alloys (JMA) from 2013 to 2018 and compared them with all the articles containing magnesium alloy in their titles on the Web of Science during this period.

TL;DR: In this article, a review on the enhancement method of kinetics in Mg-based hydrogen storage materials and introduces the new kinetic models is presented, which is an efficient way to reveal the hydriding/dehydriding (H/D) kinetic mechanism.

TL;DR: A comprehensive review of different grades of biodegradable magnesium matrix composites including their mechanical properties and corrosion resistance is presented in this article, where the matrix materials are biomedical magnesium alloys base like Mg-Ca, Mg−Zn, and Mg•REE alloy and reinforcements are based on hydroxyapatite (HAP), calcium polyphosphate (CPP), and β-tricalcium phosphate (β-TCP) particles.

TL;DR: In this article, the effect of Y content (Mg-xY-1Gd-2Nd-0.5Zn)-on the microstructure and mechanical properties of Mg-Y-RE alloys was investigated.

TL;DR: In this article, a review of the literature about grain refining of magnesium alloys is presented, focusing on the grain refining methods used in the past, which are not used today, and new and newly developed methods that may find usage in the industry in future.

TL;DR: In this article, a one-step electrodeposition method was used to construct a superhydrophobic coating on the surface of magnesium alloy, using magnesium nitrate and ethanol solution of stearic acid as electrolyte.

TL;DR: In this article, the multi-pass equal channel angular pressing (ECAP) was employed on a high-calcium-content Mg-Al-Ca-Mn alloy to tailor its microstructure and mechanical properties.

TL;DR: In this paper, a review of past and current developments of magnesium die-castings in closure applications and discusses the benefits and challenges of magnesium alloys for these applications, including casting design, corrosion and fastening strategies, and manufacturing design and assembly methodologies.

TL;DR: In this article, a comparison with and without DNA addition was made on the corrosion resistance and adhesion strength of Ca-P coatings fabricated on AZ31 alloy via hydrothermal deposition.

TL;DR: In this paper, four different welds have been prepared to find the material mixing between the similar and dissimilar joints, and the joint interfaces of the welds were investigated by employing an optical microscope and scanning electron microscope.

TL;DR: In this paper, the effects of different elements including Al, Sn and Zn with ability of solution hardening on corrosion behavior of a Mg alloy have been studied and the microstructure was analyzed and the electrochemical and immersion techniques were used for corrosion studies.

TL;DR: In this article, the agehardening behavior and mechanical properties of the extruded Mg-2Gd-1.2Y-0.5 Zn (at.%) alloy with Zr or Mn additions were investigated.

TL;DR: In this paper, the mechanical properties and bio-corrosion behaviors of as-extruded Mg-4Zn alloys after Sn addition were investigated, systematically.

TL;DR: In this paper, the microstructure, texture, mechanical properties and corrosion behavior of the extruded Mg-4Zn alloy, as a biodegradable material, were investigated.

TL;DR: The microstructures and mechanical properties of the composite extruded AZ31/AZ31 and Az31/4047 Al sheets were investigated and made a comparison to the conventional extruded Az31 sheet.

TL;DR: In this paper, the effect of friction stir processing (FSP) conditions on the corrosion characteristic of AZ31B magnesium alloy was investigated, and the results showed a substantial improvement in the corrosion resistance of the friction stir processed AZ31b alloy.

TL;DR: In this article, an in vitro degradation assessment of Mg-0.8Ca alloy in Hank's balanced salt solution (HBSS) was presented, and the degradation in HBSS resulted in the formation of the needle-shaped carbonated hydroxyapatite which was similar to the biological apatite in the human bone.

TL;DR: In this article, fly ash (FA) was used as reinforcement for magnesium matrix composites (MMCs) to bring down the production cost and the land pollution and the sliding wear behavior was tested using a pin-on-disc wear apparatus.

TL;DR: In this paper, the authors investigated the strain hardening behavior of Mg-xY alloys and found that the average grain size reduces from 19.8 to 12.2 as the Y content adds from 1'wt% to 2'wt%.

TL;DR: In this paper, a model was built to investigate the crack generation and development between the 6061 Al and 6061 Mg alloy during the compound extrusion process by DEFORM-3D.

TL;DR: In this paper, the T6 heat treatment of low-pressure sand-cast Mg-10Gd-3Y-0.5Zr alloy was investigated from room temperature to 300°C.

TL;DR: In this paper, a hybrid nanocomposite of MWCNT-Graphene-AZ31 Mg alloy has been developed by using variable tool rotation speeds with friction stir processing (FSP).

TL;DR: In this paper, the effect of WC nano-particles on tribological behavior of magnesium based nanocomposites for varying wt% of WC (0.5, 1, 1.5 and 2) was investigated.

TL;DR: In this paper, the as-cast ZEK100 (Mg 1.2Zn 0.35Zr 0.17Nd, in wt%) magnesium alloy was subjected to hot rolling at temperatures from 350-oC to 450 -oC using the laboratory 50 ton reversible mill with preheated rolls to manufacture the 1.5-1.7mm thick sheet.

TL;DR: In this paper, a new localized PEO (Plasma Electrolytic Oxidation) coating approach, using electrolyte solutions with varying ZrO2 nanoparticles concentration (2 −8 ¼g/L) and processing times, was applied to the Alloy Az91 Mg alloy, and the corrosion analysis of the final coatings was carried out using potentiodynamic polarization, electrochemical impedance spectroscopy and post-corrosion analysis.

TL;DR: In this article, a low Gd-containing Mg-3Gd-1Zn-0.4Zr (wt%, GZ31K) alloy was prepared and the as-cast ingot was solution treated and then hot extruded.

TL;DR: In this paper, the corrosion resistance of three Mg alloys containing rare-earth elements (WE43, EV31 and ZE41) was studied and compared to that of two Mg-Al alloys (AZ31 and AZ91) and of pure Mg (99.95 wt%).

TL;DR: In this paper, the corrosion behavior of AZ31 alloy was investigated by electrochemical methods in sodium chloride and sodium sulphate of different concentrations at different temperatures, and the corrosion rate was monitored by potentiodynamic polarization technique and electrochemical impedance spectroscopy method.

TL;DR: In this article, the electrochemical impedance and biocorrosion performance of as-cast and T4 heat treated AZ91 Mg-alloys in Ringer solution were evaluated by electrochemical impendence spectroscopy, potentiodynamic polarization and weight loss method.

TL;DR: In this article, two novel sol-gel/conversion coating composites were successfully deposited on AM60B magnesium alloy in order to provide sufficient protection against the corrosion, and the defects of the Ti-Zr conversion coating were completely filled by the solgel layers.