A5063063307- Additive Manufacturing and 3D Printing Technologies
- Advanced Sensor and Energy Harvesting Materials
- Injection Molding Process and Properties
- Epoxy Resin Curing Processes
- Soft Robotics and Applications
- Cellular and Composite Structures
- Photopolymerization techniques and applications
- Shape Memory Alloy Transformations
- Additive Manufacturing Materials and Processes
- Manufacturing Process and Optimization
- 3D Printing in Biomedical Research
- Conducting polymers and applications
- Polymer composites and self-healing
- Fiber-reinforced polymer composites
- Electrospun Nanofibers in Biomedical Applications
- Innovations in Concrete and Construction Materials
- Polymer Foaming and Composites
- Smart Materials for Construction
- Mechanical Behavior of Composites
- Advanced machining processes and optimization
- Advanced materials and composites
- Gas Sensing Nanomaterials and Sensors
- Electromagnetic wave absorption materials
- Polymer Nanocomposites and Properties
- Structural Health Monitoring Techniques
The University of Texas at El Paso
2021-2024
W. M. Keck Foundation
2022
The integration of 3D printed sensors into hosting structures has become a growing area research due to simplified assembly procedures, reduced system complexity, and lower fabrication cost. Embedding or bonding the on surfaces are two techniques for sensors. This review extensively discusses through different additive manufacturing techniques. Various dedicated manufacture as well their during process will be discussed. also discuss basic sensing mechanisms integrated applications. It been...
Abstract Cyanate ester (PT‐30) resin possesses exceptional thermal and mechanical properties, including high heat distortion temperature, glass transition temperature ( T g ), outstanding characteristics. Conversely, the of homopolymer tris(2‐hydroxyethyl)isocyanurate triacrylate (T‐acrylate) surpasses that other acrylates. The combination PT‐30 T‐acrylate results in formation an interpenetrating polymer network (IPN) through a dual curing mechanism. Furthermore, these two polymers enables...
This research presents a simple method to additively manufacture Cone 5 porcelain clay ceramics by using the direct ink-write (DIW) printing technique. DIW has allowed application of extruding highly viscous ceramic materials with relatively high-quality and good mechanical properties, which additionally allows freedom design capability manufacturing complex geometrical shapes. Clay particles were mixed deionized (DI) water at different ratios, where most suitable composition for 3D was...
Thermoplastic materials such as PA12 and PA6 have been extensively employed in Selective Laser Sintering (SLS) 3D printing applications due to their printability, processability, crystalline structure. However, thermoplastic-based lack polymer inter-chain bonding, resulting inferior mechanical thermal properties relatively low fatigue behavior. Therefore, of high-performance crosslinked thermosets using SLS technology is paramount pursue an alternative thermoplastics. In this work, a...
Abstract A high‐performance polymer (HPP) (polyether ether ketone, PEEK) blended with a commercial low‐temperature (polyamide 12, PA‐12) was fabricated using selective laser sintering (SLS) 3D printer. Different post‐processing heat treatments were implemented after fabrication to tune the thermal and mechanical properties of printed blends. The specific modulus blend increased up 79% in comparison PA‐12 samples treatment. Additionally, resistance treated blends greatly exceeded observed...
Abstract The ability to detect impact waves and their propagation across materials is the key structural health monitoring defect detection of materials. To from a certain type structures, it important for sensor be highly flexible complex in shape. Direct ink write (DIW) allows manufacturing sensors. This article presents fabrication wave (IWPS) through DIW technique. dispersion ferroelectric ceramic material barium titanate (BaTiO 3, or BTO) polydimethylsiloxane (PDMS), not only enhances...
Abstract Three different metamaterial structures were fabricated using stereolithography 3D printing and a shape recovering material. Mechanical properties recovery efficiency assessed after compression testing. All three exhibited similar initial specific compressive moduli, while the highest toughness was observed for stretch-dominated structure. The re-tested recovery. Significant strengthening all structures, with bend-stretch-dominated structure to degree. This phenomenon characterized...
The ever-changing nature of the power industry will require implementation hybrid energy systems. Integration tightly coupled components in hybrids often involves diversion exhaust gas flow. An innovative smart material actuation technology is proposed to replace traditional electro-mechanical actuated valve mechanisms with lighter and less expensive actuators. A shape memory alloy (SMA) spring-actuated was designed for high-temperature service demonstrate promise materials control...
Laser Powder Bed Fusion (LPBF) is a widely used additive manufacturing technique for powder-based polymers and metallic materials. Thermoplastics like Polyamide 12 6 are commonly in LPBF; thermosetting gaining attention due to their superior stability. Epoxies popular thermoset, but some exhibit low physical properties brittleness, leading reduced toughness. The work presented this paper explores the effect of using short carbon fibers (CF) as additives epoxy-based material on...
Recently, the manufacturing of porous polydimethylsiloxane (PDMS) with engineered porosity has gained considerable interest due to its tunable material properties and diverse applications. An innovative approach control PDMS is use transient liquid phase water improve mechanical properties, which been explored in this work. Adjusting ratios deionized precursor during blending subsequent curing processes allows for controlled porosity, yielding emulsion foam tailored properties. The...
Selective Laser Sintering (SLS) is a branch of powder bed fusion additive manufacturing (AM) technique in which laser used as power source to sinter polymer materials. The targets the points space defined by 3D computer model and binds material together create solid structure. Although thermoplastic materials (PA12, PA6, et) have been successfully demonstrated SLS, printed objects from these exhibit lack interchain connection print direction, resulting poor mechanical properties fatigue...
Fiber-reinforced thermoset composites are a class of materials that address the arising needs from aerospace and hypersonic industries for high specific strength, temperature-resistant structural materials. Among high-temperature resistant categories, phenolic triazine (PT) cyanate esters stand out thanks to their inherent degradation temperature, glass transition mechanical strength. Despite outstanding properties these thermosets, performance carbon fiber using PT as matrices has not been...
Hollow polymer microspheres with superior elastic properties, high thermal stability, and energy absorbance capabilities are essential in many applications where shock vibration need to be mitigated, such as civil, medical, defense industries. In this paper, the synthesis, fabrication, characterization of hollow thermoset for syntactic foam were studied. The (HPMs) made by developing core–shell composites thermally removing polystyrene core yield a polysiloxane shell. HPMs embedded into...
Laser Powder Bed Fusion (LPBF) is a widely used additive manufacturing technique for powder-based polymers and metallic materials. Among polymers, thermoplastics such as Polyamide 12 6 (PA-12 PA-6) are commonly in the LPBF technique, however, thermosetting have recently drawn increasing attention because of their superior thermal chemical stability. Epoxies one most common thermosets. However, some epoxy thermosets show relatively low physical properties, especially toughness, due to brittle...
Abstract Ultra–high‐temperature ceramics (UHTCs) are valued for their extremely high melting temperatures and resistance to active oxidation. However, low fracture strengths the difficulties in shaping them into complex geometries hamper widespread application. This study aims fabricate zirconium diboride–silicon carbide (ZrB 2 ‐SiC) composites reinforced with aligned SiC fibers by formulating suspensions containing a preceramic polymer, ZrB , fibers. assessed influence of fiber alignment on...
Abstract The ever-changing nature of the power industry will require implementation hybrid energy systems. Integration tightly coupled components in hybrids often involves diversion high-temperature flow, which need expensive valve technology. An innovative smart material actuation technology is proposed to replace traditional electro-mechanical actuated mechanisms with lighter and less actuators. A shape memory alloy (SMA) spring-actuated was designed for service demonstrate promise...
The key to monitoring structural health and defect detection of materials is the capacity detect impact waves their propagation through materials. A sensor must be extremely flexible have a complex shape from certain type construction. Complex sensors can produced using direct ink write (DIW). In this article, DIW approach used create wave (IWPS). Barium titanate (BaTiO3, or BTO), ferroelectric ceramic material, dispersed in polydimethylsiloxane (PDMS), which not only increases flexibility...