A5006764567- Cuban History and Society
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Shape Memory Alloy Transformations
- Microstructure and Mechanical Properties of Steels
- Spanish Literature and Culture Studies
- Additive Manufacturing Materials and Processes
- Historical Studies in Latin America
- Aluminum Alloy Microstructure Properties
- Latin American Cultural Politics
- Laser and Thermal Forming Techniques
- Metal Forming Simulation Techniques
- Welding Techniques and Residual Stresses
- Spanish Culture and Identity
- Political and Social Dynamics in Chile and Latin America
- Additive Manufacturing and 3D Printing Technologies
- Metallurgy and Material Forming
- High Temperature Alloys and Creep
- Spanish Philosophy and Literature
- Metallic Glasses and Amorphous Alloys
- Advanced machining processes and optimization
- Plant and soil sciences
- Latin American Literature Studies
- High Entropy Alloys Studies
- Political Dynamics in Latin America
Centro de Estudios Científicos
2011-2022
Agricultural University of Havana
2005-2020
Centro de Investigación y Desarrollo
2019
European Institute of Printed Circuits
2018
Universitat Politècnica de Catalunya
2017
Abengoa (Spain)
2017
University of Havana
1987-2014
IK Foundation
2007
University of the Basque Country
1995-2004
Universidad Pedagógica de Pinar del Río Rafael María de Mendive
2003
The manufacturing process carried out in the investment casting industry suffers from problems similar to other production processes. In addition, high requirements of customers and industries that require these parts mean quality standards must be met. If those are not achieved, this leads rejection manufactured parts. Therefore, given current technology revolution (i.e., Industry 4.0) possibilities offered by tools such as digital twins artificial intelligence, it is possible work on a...
In this work, new customized heat treatments for selective laser melted (SLM) parts in IN718 alloy were analyzed. This was done through the evaluation of mechanical properties and advanced characterization phases microstructure obtained as-built condition after application standard tailored treatments. The compared discussed with results reported literature. Finally, strengthening mechanisms processed by SLM its differences that occur investment casting Both processes generate quite...
Nowadays many industrial sectors use forming processes in order to produce sheet metal components. The most widely used are stamping and deep drawing, which based on big, costly dies presses. These require large initial investment specific for each part, makes them inflexible only profitable batches. A possible approach small series production is the incremental technique (ISF), consists of a gradual plastic deformation flat by action CNC controlled tool. Equipment such as 3-axis milling...
Reduced hot cracking susceptibility is essential to ensure the flawless manufacturing of nickel superalloys typically employed in welded aircraft engine structures. The precipitation strengthened alloy 718 mainly depends on chemical composition and microstructure resulting from thermal story. Alloy usually a solution annealed state. However, even with this treatment, cracks can be induced during standard industrial conditions, leading costly time-consuming reworking. In work, wrought...
In this work, weldability and hot cracking susceptibility of five alloy 718 investment castings in laser beam welding (LBW) were investigated. Influence chemical composition, with varying Si contents from 0.05 to 0.17 wt %, solidification rate, pre-weld heat treatment studied by carrying out three different tests, i.e., ductility, Varestraint, bead-on-plate after isostatic pressing (HIP) solution annealing treatment. Onset ductility drop was directly related the presence residual Laves...
Investment casting of magnesium is a well suited process for the production aeronautic and automotive components. But still, this has not been properly developed. One reason that are reactions between Mg melt ceramics mould produce non-desired oxide layer on part surface. These can be inhibited by use silica-free slurries with higher stability than conventional ones. Another way using inhibitors, chemical compounds based in fluorides react melt, creating protective surface casting. With aim...
El tratamiento del metal fundido resulta esencial para mejorar las propiedades mecánicas de aleaciones aluminio. Los métodos análisis térmico empleados habitualmente como medio control están basados en el enfriamiento una copa metálica o arena. En caso la microfusión, se produce un molde refractario a alta temperatura (entre 400 y 700°C), que piezas además poseen espesores muy finos, modo los resultados no son todo fieles lo obtiene pieza. Como resultado presente trabajo diseño capaz...