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View article: Risk perception of severity or death from COVID-19: a systematic review of the factors associated
Risk perception of severity or death from COVID-19: a systematic review of the factors associated Open
Background Health risk perception and factors associated with the severity or death from COVID-19 were key elements that influenced individuals' protective behaviors during the pandemic. Understanding these perceptions is crucial for publi…
View article: On the fabrication of a FeCrAlMoTiNi multi-principal element alloy by material extrusion additive manufacturing
On the fabrication of a FeCrAlMoTiNi multi-principal element alloy by material extrusion additive manufacturing Open
Multi-principal element alloys (MPEAs) are a new paradigm in alloy design with promising applications. Their composition can be tailored to meet specific goals but their final microstructure, and thus properties, highly depends on the chos…
View article: Slums, social disparities and the COVID-19 pandemic: who were the people truly impacted during the pandemic in Brazil?
Slums, social disparities and the COVID-19 pandemic: who were the people truly impacted during the pandemic in Brazil? Open
Background Brazil was heavily impacted by COVID-19 pandemic, which intensified social and health disparities, especially in vulnerable areas such as slums. Therefore, the aim of this study was to investigate which residents of slums in Bra…
View article: An Acute Discovery of Fourth Ventricle Outflow Obstruction in Previously Idiopathic Chronic Hydrocephalus: A Case Report
An Acute Discovery of Fourth Ventricle Outflow Obstruction in Previously Idiopathic Chronic Hydrocephalus: A Case Report Open
Hydrocephalus is the disruption of cerebral spinal fluid homeostasis, representing a common neurosurgical illness. Up to 10% have no identifiable cause, with fourth ventricle outflow obstruction (FVOO) being an extremely rare subtype. A 31…
View article: Barriers That Interfere with Access to Tuberculosis Diagnosis and Treatment across Countries Globally: A Systematic Review
Barriers That Interfere with Access to Tuberculosis Diagnosis and Treatment across Countries Globally: A Systematic Review Open
This study evaluated the barriers that interfere with access to diagnosis and treatment of tuberculosis (TB) from the perspective of the patient and health professionals globally. Using the PICo acronym, the question we asked was "What are…
View article: Food insecurity, income loss, healthcare access, and other exacerbated social inequalities among people experiencing homelessness during the COVID-19 pandemic in Brazil (2021–2023)
Food insecurity, income loss, healthcare access, and other exacerbated social inequalities among people experiencing homelessness during the COVID-19 pandemic in Brazil (2021–2023) Open
Background During COVID-19, the number of people experiencing homelessness increased, further exacerbating the violation of basic rights necessary for human survival. Thus, the study aimed to investigate the inequalities associated with in…
View article: Material extrusion: A promising tool for processing CoCrMo alloy with excellent wear resistance for biomedical applications
Material extrusion: A promising tool for processing CoCrMo alloy with excellent wear resistance for biomedical applications Open
CoCrMo is a prevalent alloy in prosthesis manufacturing, characterized by its favorable biocompatibility, high resistance to corrosion and high wear-resistance. Material Extrusion (MEX) Additive Manufacturing allows control over microstruc…
View article: In-situ mechanical and microstructural characterization of miniaturized Al-Mg-Sc-Zr and AlSi10Mg specimens processed by laser powder-bed fusion (PBF-LB)
In-situ mechanical and microstructural characterization of miniaturized Al-Mg-Sc-Zr and AlSi10Mg specimens processed by laser powder-bed fusion (PBF-LB) Open
Manufacturing through powder-bed fusion laser-beam (PBF-LB) enables innovative part design strategies, facilitating weight reduction, and capitalizing on the metallurgical conditions developed during the manufacturing of designed alloys. C…
View article: Enhancement of FeCrAl-ODS steels through optimised SPS parameters and addition of novel nano-oxide formers
Enhancement of FeCrAl-ODS steels through optimised SPS parameters and addition of novel nano-oxide formers Open
A novel approach to incorporating oxide formers into ferritic ODS production has been developed using the co-precipitation technique. This method enables the tailored design of complex nano-oxides, integrated during Mechanical Alloying (MA…
View article: Enhancement of γ/γ’ Microstructured Cobalt Superalloys Produced from Atomized Powder by Creating a Harmonic Structure
Enhancement of γ/γ’ Microstructured Cobalt Superalloys Produced from Atomized Powder by Creating a Harmonic Structure Open
A material’s properties must be continuously improved to meet the demands of extreme conditions in high-temperature applications. It is demonstrated that γ-γ’ Co-based superalloys could surpass the yield stress of Ni-based superalloys at h…
View article: Self-Perception of Mental Health and Exacerbated Social Inequalities Among Vulnerable Older Adults During the COVID-19 Pandemic in Brazil (2021–2023)
Self-Perception of Mental Health and Exacerbated Social Inequalities Among Vulnerable Older Adults During the COVID-19 Pandemic in Brazil (2021–2023) Open
This study analyzes the self-perception of mental health of socially vulnerable elderly people during the COVID-19 crisis in Brazil. Conducted across all state capitals from February 2021 to October 2023, it included 366 participants livin…
View article: Effect of microstructure on the effectiveness of hybridization on additively manufactured Inconel718 lattices
Effect of microstructure on the effectiveness of hybridization on additively manufactured Inconel718 lattices Open
This work aims to investigate the effect of the material microstructure on the effectiveness of hybridization in additively manufactured Inconel718 strut-based lattices. Two microstructures, namely the as-built solid solution and a peak ag…
View article: Dynamic strain aging in Inconel718 additively manufactured lattices
Dynamic strain aging in Inconel718 additively manufactured lattices Open
The aim of this work is to investigate the manifestations of dynamic strain aging (DSA) on the mechanical behavior of Inconel718 body centered cubic (BCC) and face centered cubic (FCC) strut-based lattices manufactured via laser powder bed…
View article: <p>Que las niñas y niños amen la lectura... ¿puede cambiar el mundo? El efecto mariposa de <em>We Love Reading</em></p>
Que las niñas y niños amen la lectura... ¿puede cambiar el mundo? El efecto mariposa de <em>We Love Reading</em> Open
This issue of Alabe´s honors an initiative that started in Jordan. We Love Reading is a non-profit organization that imbues children with a love for reading. It is committed to instilling that passion in order to generate a positive impact…
View article: Coupled effect of microstructure and topology on the mechanical behavior of Inconel718 additively manufactured lattices
Coupled effect of microstructure and topology on the mechanical behavior of Inconel718 additively manufactured lattices Open
LPBF-manufactured Inconel718 lattices with six cubic and hexagonal structures and with two material microstructures (as-built, without γ” precipitation, and heat-treated, with γ” precipitates, but with similar cell/grain size, shape and te…
View article: Impact of powder reusability on batch repeatability of Ti6Al4V ELI for PBF-LB industrial production
Impact of powder reusability on batch repeatability of Ti6Al4V ELI for PBF-LB industrial production Open
In powder bed fusion laser beam (PBF-LB), powder reusability remains key to keeping cost-effectivity as well as sustainability. In this study, highly sensitive Ti6Al4V ELI powder typically used for medical and aerospace applications is stu…
View article: Design and Production of a New FeCoNiCrAlCu High-Entropy Alloy: Influence of Powder Production Method on Sintering
Design and Production of a New FeCoNiCrAlCu High-Entropy Alloy: Influence of Powder Production Method on Sintering Open
The structure of FeCoNiCrAl1.8Cu0.5 high-entropy alloys (HEA) obtained by two different routes has been studied. The selection of the composition has followed the Hume–Rothery approach in terms of number of itinerant electrons (e/a) and av…
View article: Precipitation-induced transition in the mechanical behavior of 3D printed Inconel 718 bcc lattices
Precipitation-induced transition in the mechanical behavior of 3D printed Inconel 718 bcc lattices Open
The mechanical behaviour of the lattice structures is categorized as either bending-dominated, which features a very compliant and homogeneous response, or stretch-dominated, which is characterized by periodic oscillations in the plastic s…
View article: Microstructure Evolution in a Fast and Ultrafast Sintered Non-Equiatomic Al/Cu HEA
Microstructure Evolution in a Fast and Ultrafast Sintered Non-Equiatomic Al/Cu HEA Open
One of the attractive characteristics of high entropy alloys (HEAs) is the ability to tailor their composition to obtain specific microstructures and properties by adjusting the stoichiometry to obtain a body-centered cubic (BCC) or face-c…