Marta L. S. Barbosa
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View article: Empirical Rescue Eradication Therapy for <scp> <i>Helicobacter pylori</i> </scp> Infection in Second and Subsequent Treatment Lines: Experience From 500 Cases of the Brazilian Registry on <scp> <i>H. pylori</i> </scp> Management (Hp‐ <scp>BrazilReg</scp> )
Empirical Rescue Eradication Therapy for <span> <i>Helicobacter pylori</i> </span> Infection in Second and Subsequent Treatment Lines: Experience From 500 Cases of the Brazilian Registry on <span> <i>H. pylori</i> </span> Management (Hp‐ <span>BrazilReg</span> ) Open
Background The effectiveness of anti ‐ H. pylori treatment diminishes with therapy failure, making regional performance understanding crucial. Objective To evaluate the effectiveness of empirical therapy in second‐line and subsequent treat…
View article: Image Analysis Techniques Applied in the Drilling of a Carbon Fibre Reinforced Polymer and Aluminium Multi-Material to Assess the Delamination Damage
Image Analysis Techniques Applied in the Drilling of a Carbon Fibre Reinforced Polymer and Aluminium Multi-Material to Assess the Delamination Damage Open
Due to the high abrasiveness and anisotropic nature of composites, along with the need to machine different materials at the same time, drilling multi-materials is a difficult task, and usually results in material damage, such as uncut fib…
View article: A Concise Review on Materials for Injection Moulds and Their Conventional and Non-Conventional Machining Processes
A Concise Review on Materials for Injection Moulds and Their Conventional and Non-Conventional Machining Processes Open
Injection moulds are crucial to produce plastic and lightweight metal components. One primary associated challenge is that these may suffer from different types of failures, such as wear and/or cracking, due to the extreme temperatures (T)…
View article: Wear Behavior of TiAlVN-Coated Tools in Milling Operations of INCONEL® 718
Wear Behavior of TiAlVN-Coated Tools in Milling Operations of INCONEL® 718 Open
The use of coatings on cutting tools offers several advantages from the point of view of wear resistance. A recent technique with great coating deposition potential is PVD HiPIMS. TiAlN-based coatings have good resistance to oxidation due …
View article: INCONEL® Alloy Machining and Tool Wear Finite Element Analysis Assessment: An Extended Review
INCONEL® Alloy Machining and Tool Wear Finite Element Analysis Assessment: An Extended Review Open
Machining INCONEL® presents significant challenges in predicting its behaviour, and a comprehensive experimental assessment of its machinability is costly and unsustainable. Design of Experiments (DOE) can be conducted non-destructively th…
View article: Investigations on the Surface Integrity and Wear Mechanisms of TiAlYN-Coated Tools in Inconel 718 Milling Operations
Investigations on the Surface Integrity and Wear Mechanisms of TiAlYN-Coated Tools in Inconel 718 Milling Operations Open
Inconel 718 is a Ni superalloy with superior mechanical properties, even at high temperatures. However, due to its high hardness and low thermal conductivity, it is considered a difficult-to-machine material. This material is widely used i…
View article: Studying the Degradation of Three Polymers under Different Chlorine Concentrations and Exposure Times
Studying the Degradation of Three Polymers under Different Chlorine Concentrations and Exposure Times Open
Due to chlorine’s ability to kill bacteria and fungi through a chemical reaction, chlorine solutions are commonly used to clean and disinfect numerous public facilities, although these actions are also dependent to the equipment present in…
View article: Study of the Chlorine Influence on the Corrosion of Three Steels to Be Used in Water Treatment Municipal Facilities
Study of the Chlorine Influence on the Corrosion of Three Steels to Be Used in Water Treatment Municipal Facilities Open
Many municipal facilities, such as pools and drinking water treatment facilities, are subject to ongoing maintenance due to the corrosion of their metallic materials caused by chlorine, leading to high costs and a possible risk to public h…
View article: On the evaluation of strain energy release rate of cement-bone bonded joints under mode II loading
On the evaluation of strain energy release rate of cement-bone bonded joints under mode II loading Open
Bone cements based on poly(methylmethacrylate) (PMMA) are primarily used in joint replacement surgeries. In the fixation of joint replacement, the self-curing cement fills constitutes a very important interface. To understand and improve t…
View article: The Impact of the Deterioration on Wood by Chlorine: An Experimental Study
The Impact of the Deterioration on Wood by Chlorine: An Experimental Study Open
The use of disinfection and cleaning chemicals in several municipal facilities, such as swimming pools and drinking water treatment plants, causes the degradation of various types of wood, which leads to failures in equipment and the corre…