Search Results - "Vilhena, Luis"

Sliding wear and friction behaviour of WC‐stainless steel and WC–Co composites by Vilhena, Luis M., Fernandes, Cristina M., Sacramento, Joaquim, Senos, Ana M. R., Ramalho, Amilcar

“…The sliding wear and friction behaviour of new developed WC‐stainless steel composites without and with carbon addition were evaluated using a linearly…”
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Impact of Temperature Variation on Friction Behaviour of Rare Earth-Doped Diamond-like Carbon Coatings with Ionic Liquid Lubricants by Shaikh, Shahsharif, Omiya, Takeru, Cavaleiro, Albano, Vilhena, Luis, Ramalho, Amilcar, Ferreira, Fábio

“…This research paper investigates the tribological performance of diamond-like carbon (DLC) coatings doped with rare earth metals (europium and gadolinium) as…”
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Wear of Titanium Implant Platforms with Different Abutment Connections and Abutment Materials: A Pilot Study by Mendes, Teresa A, Vilhena, Luis, Portugal, Jaime, Caramês, João, Ramalho, Amilcar L, Lopes, Luis P

“…The most commonly used material in dental implants and their abutments is titanium. Zirconia is a more aesthetic alternative to titanium abutments; however, it…”
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Effect of Protein (Bovine Serum Albumin) Content on the Frictional Behaviour of Soft Contact Lenses Using a Dynamic Oscillating Tribometer by Vilhena, Luís, Ramalho, Amílcar

“…Proteins can adsorb on the surface of materials, such as soft contact lenses (SCLs), and can affect the hydrophobicity, roughness, and surface properties of…”
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Mechanical and Tribological Characterization of WC-Co and WC-AISI 304 Composites by a Newly Developed Equipment by Vilhena, Luís, Domingues, Bruno, Fernandes, Cristina, Senos, Ana, Ramalho, Amílcar

“…Tungsten carbide-based composites are, in many cases, the materials of choice in applications requiring high wear resistance. In the present research work, the…”
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Skin Friction: Mechanical and Tribological Characterization of Different Papers Used in Everyday Life by Vilhena, Luís, Afonso, Luís, Ramalho, Amílcar

“…The coefficient of friction for different contacting materials against skin is mainly influenced by the nature of the materials (synthetic and natural…”
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Tribocorrosion of different biomaterials under reciprocating sliding conditions in artificial saliva by Vilhena, Luís, Oppong, Gifty, Ramalho, Amílcar

“…It has been found in recent studies that the main reason for the failure of a biomedical material used as an implant is due to the low resistance of the…”
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Synergic effect of TMD coating on textured steel using micro-EDM by Sharma, Pooja, Mahadeshwara, Manoj Rajankunte, Vilhena, Luís, Richhariya, Vipin, Silva, Filipe, Ramalho, Amílcar, Carvalho, Sandra, Cavaleiro, Albano

“…Modifying the surface of materials through texturing and coating can have a significant impact on their tribological properties. In the present study, a hybrid…”
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Friction of Human Skin against Different Fabrics for Medical Use by Vilhena, Luís, Ramalho, Amílcar

“…Knowledge of the tribology of human skin is essential to improve and optimize surfaces and materials in contact with the skin. Besides that, friction between…”
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Influence of 1-Ethyl-3-methylimidazolium Diethylphosphate Ionic Liquid on the Performance of Eu- and Gd-Doped Diamond-like Carbon Coatings by Sadeghi, Mohammadamin, Omiya, Takeru, Fernandes, Filipe, Vilhena, Luís, Ramalho, Amilcar, Ferreira, Fábio

“…A composite lubricating system that combines solid and liquid lubrication can create a synergistic effect by leveraging the strengths of both types of…”
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Mechanical Characterisation of Gypsum-Based Passive Fire Protection Mortars with Micro and Nano Silica Particles by Caetano, Hugo, Vilhena, Luís, Ramalho, Amílcar, Santiago, Aldina, Laím, Luís, Monteiro, Eduardo

“…Steel structures are vulnerable to fire due to the degradation of their mechanical properties at high temperatures, making it necessary to protect them when…”
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Influence of Different Binders and Severe Environmental Conditions on the Tribological and Electrochemical Behaviour of WC-Based Composites by Pereira, Pedro, Vilhena, Luís, Sacramento, Joaquim, Senos, Ana, Malheiros, Luís, Ramalho, Amílcar

“…Cemented carbides are highly resistant to abrasion, erosion and sliding wear and are frequently used in drilling and cutting tool operations. In the present…”
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Influence of abutment and connection type on implant-abutment connection rigidity: an in vitro study by Mendes, Teresa, Vilhena, Luís, Jaime, Jaime, Caramês, João, Ramalho, Amílcar, Lopes, Luís

“…Objectives: To evaluate the effects of the abutment material and the connection type on the implant-abutment connection rigidity. Methods: The study evaluated…”
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Effect of Different Cavity Disinfectants on Adhesion to Dentin of Permanent Teeth by Coelho, Ana, Vilhena, Luís, Antunes, Maria, Amaro, Inês, Paula, Anabela, Marto, Carlos Miguel, Saraiva, José, Ferreira, Manuel Marques, Carrilho, Eunice, Ramalho, Amílcar

“…After the elimination of dental caries lesions, some microorganisms may remain viable in the tooth structure. Thus, cavity disinfection is an important…”
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Influence of Deposition Plane Angle and Saline Corrosion on Fatigue Crack Growth in Maraging Steel Components Produced by Laser Powder Bed Fusion by Fernandes, Rui F., de Jesus, Joel, Borrego, Luís, Vilhena, Luís, Ramalho, Amílcar, Ferreira, José A. M.

“…Maraging steels are used in several industries, namely in the molds industry. The determination of fatigue crack propagation resistance in 18Ni300 maraging…”
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Mechanical and Tribological Characterization of a Bioactive Composite Resin by Carneiro, Elsa Reis, Coelho, Ana Sofia, Amaro, Inês, Paula, Anabela Baptista, Marto, Carlos Miguel, Saraiva, José, Ferreira, Manuel Marques, Vilhena, Luís, Ramalho, Amílcar, Carrilho, Eunice

“…Despite developments and advances in dental materials which allow for greater restorative performance, there are still challenges and questions regarding the…”
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CFD Modeling of the Effect of Different Surface Texturing Geometries on the Frictional Behavior by Vilhena, Luís, Sedlaček, Marko, Podgornik, Bojan, Rek, Zlatko, Žun, Iztok

“…In order to understand the effect of surface texturing parameters on the frictional behavior of textured surfaces and to correlate results of different…”
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Tribocorrosion Behaviour of Ti6Al4V Produced by Selective Laser Melting for Dental Implants by Vilhena, Luís M., Shumayal, Ahmad, Ramalho, Amílcar, Ferreira, José António Martins

“…Additively produced Ti6Al4V implants display mechanical properties that are economically infeasible to achieve with conventional subtractive methods. The aim…”
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Influence of different cavity disinfectants on composite adhesion to dentin of primary teeth: an in vitro study by Coelho, Ana, Vilhena, Luís, Cordeiro, Mariana, Amaro, Inês, Paula, Anabela, Marto, Carlos Miguel, Silva, Cristina Cardoso, Ferreira, Manuel Marques, Carrilho, Eunice, Ramalho, Amílcar

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Efeitos da rega na cultura do Eucalyptus globulus by Vilhena, Luís Nuno do Cabo Marques Loução

“…A Floresta Portuguesa ocupa 3,2 milhões de hectares, o que corresponde a 35,4% do território nacional. Eucalyptus globulus é a espécie florestal predominante…”
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