Papers by Irene Garcia-Cano
Surface and Coatings Technology, 2022
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Materials
Cold Spray Additive Manufacturing (CSAM) is a thermal spray technique that is typically used for ... more Cold Spray Additive Manufacturing (CSAM) is a thermal spray technique that is typically used for the repair of metallic components. One of the challenges of CSAM is to improve the geometrical accuracy of the sprayed parts, along with overcoming the inferiority of the mechanical properties of the deposits by tailoring their microstructure with different deposition strategies. For this, Cu, Al, Ti, and Ti6Al4V substrates were reconstructed by two Cold Spray (CS) methods: Traditional (T) and a novel strategy, Metal Knitting (MK). The final geometry, microstructure, and mechanical properties of the reconstructed parts by these two methods were compared. Additionally, we investigated the effects of annealing on the microstructure of sprayed components and its influence on adhesion, resistance to erosion, and abrasive wear. The results indicate that annealing effectively reduces the microstructure defects of the remanufactured parts (up to 30% porosity reduction) and improves the adhesive...
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International Thermal Spray Conference
Recent research in the field of nanostructured ceramic materials has underscored the importance o... more Recent research in the field of nanostructured ceramic materials has underscored the importance of using feedstock powders with metastable phases. During material consolidation the metastable structure evolves into a dual structure where the grain growth stops when the crystallites reach their respective equilibrium grain size. The mutual suppression of the grain growth is a direct consequence of the immiscibility of the two phases in the solid state. Due to their small grain size and uniform structure, the nanocomposites exhibiting very interesting properties, are formed. Metastable structures can be produced using atmospheric plasma spray (APS) technique. The main target of this work has been the synthesis of Al2O3-TiO2 metastable powder through atmospheric plasma spraying (APS) and quenching route. The metastable phases have been produced from micron-sized feedstock powders and the effect of different raw powders have also been evaluated. The metastable phases have been character...
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Metals
Cold-spray coatings were produced by FeCoCrNiMn high-entropy alloy powders deposited on carbon st... more Cold-spray coatings were produced by FeCoCrNiMn high-entropy alloy powders deposited on carbon steel substrate. The coatings were realized at intermediate temperature and high pressure (at 1100 °C and 7 MPa). The coating microstructure was characterized by scanning electron microscopy and X-ray diffraction, revealing a very dense deposition and high flattening ratio of the splatted particles. This had a large influence on the strong adhesion of the coating to the substrate. The hardness and residual stress profiles were measured through nanoindentation and X-ray diffraction from the peak broadening measured layer by layer. The cyclic behavior of the coatings was evaluated through three-point bending tests performed on V-notched samples coated via cold spray. Cyclic tests were performed at different maximum strokes from 0.3 to 3.6 mm in order to monitor the crack initiation and propagation during bending tests. The fracture surface aspect was analyzed by scanning electron microscopy ...
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Advanced Functional Materials, 2020
Regenerative medicine and disease models have evolved in recent years from two to three dimension... more Regenerative medicine and disease models have evolved in recent years from two to three dimensions, providing in vitro constructs that are more similar to in vivo tissues. By mimicking native tissues, cell‐derived matrices (CDMs) have emerged as new modifiable extracellular matrices for a variety of tissues, allowing researchers to study basic cellular processes in tissue‐like structures, test tissue regeneration approaches, and model disease development. In this review, different fabrication techniques and characterization methods of CDMs are presented and examples of their application in cell behavior studies, tissue regeneration, and disease models are provided. In addition, future guidelines and perspectives in the field of CDMs are discussed.
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Journal of Thermal Spray Technology, 2019
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Metallography, Microstructure, and Analysis, 2021
The paper analyses the fretting and wear behavior of pure copper and pure titanium coatings reali... more The paper analyses the fretting and wear behavior of pure copper and pure titanium coatings realized through cold spray. The coatings were designed and produced by employing processing conditions leading to minimum porosity and high hardness; these conditions were 700 °C and 40 bar for Ti powders and 400 °C and 30 bar for Cu ones. The low porosity and high strength materials led to high resistance to wear damaging through the optimal energy dissipation upon fretting. Due to the sprayed particles deformation mode, the sprayed materials show non-uniform hardening along the deposition distance. As a matter of fact, hardness varied in the range 3.7–4.2 GPa for Ti coatings and 1.5–2 GPa for the Cu ones depending on the distance from the substrate and on the coatings thickness. This influenced the materials properties and the response to the wear damaging. This was demonstrated by the scratch tests performed on coatings with different thicknesses. Those coatings sprayed in major thickness...
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Surface and Coatings Technology, 2020
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Materials Science and Engineering: C, 2019
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Microscopy, 2019
A highly rough titanium coating obtained by Cold Gas Spray (CGS) has been characterized by means ... more A highly rough titanium coating obtained by Cold Gas Spray (CGS) has been characterized by means of high-resolution 3D microtomography (micro-CT) with the aim to evaluate its open and close porosity for possible use in orthopaedic implants to promote osseointegration. Micro-CT allowed a qualitative and quantitative description of the main features, morphology of the pores and surface roughness of the coating. Several numerical values were obtained to describe size, form and distribution of the closed/inner and open/outer pores. Additionally, surface roughness and open porosity were image-analyzed to find the effective surface for osseointegration.
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Journal of Materials Science, 2015
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Boletín de la Sociedad Española de Cerámica y Vidrio, 2003
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Journal of Thermal Spray Technology, 2014
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Superconductor Science and Technology, 2003
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Trabajo presentado al 2nd International Symposium on Applied Sciences and Engineering (ISASE), ce... more Trabajo presentado al 2nd International Symposium on Applied Sciences and Engineering (ISASE), celebrado online del 7 al 9 de abril de 2021.Peer reviewe
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Journal of Thermal Spray Technology, 2022
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Papers by Irene Garcia-Cano