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3D-printed and injection molded polymer matrix composites with 2D layered materials
This article reports on a study where 2D TMDs (MoS₂ and WS₂) and the 3D allotrope of carbon and graphite were incorporated into acrylonitrile butadiene styrene (ABS) and polyethylene terephthalate glycol (PETG) matrices in order to form polymer matrix composites (PMCs). The multipronged analysis described in this study was motivated by the purpose to fuse together topics of low-cost, additive manufacturing with 2D layered materials, and studying their ensuing mechanical and tribological properties.
Date:
June 26, 2020
Creator:
Gamboa, Gerardo; Mazumder, Sangram; Hnatchuk, Nathalie; Catalan Gonzalez, Jorge Alfredo; Cortes, Damaris; Chen, Ikang et al.
System:
The UNT Digital Library
Accessibility and Mechanical Stability of Nanoporous Zinc Oxide and Aluminum Oxide Coatings Synthesized via Infiltration of Polymer Templates
Article describes how the conformal nanoporous inorganic coatings with accessible pores that are stable under applied thermal and mechanical stresses represent an important class of materials used in the design of sensors, optical coatings, and biomedical systems. Authors synthesize porous AlOx and ZnO coatings by the sequential infiltration synthesis (SIS) of two types of polymers that enable the design of porous conformal coatings.
Date:
October 14, 2023
Creator:
Omotosho, Khalil D.; Lyon, Zachary; Shevchenko, Elena V. & Berman, Diana
System:
The UNT Digital Library
Achieving extraordinary structural efficiency in a wrought magnesium rare earth alloy
Article describes development of an ultrafine-grained magnesium alloy with an extraordinary strength and ductility combination, exceptional high specific strength, zero yield strength asymmetry and excellent high strain rate superplasticity.
Date:
January 29, 2020
Creator:
Panigrahi, S. K.; Mishra, Rajiv; Brennan, R.C. & Cho, K. C.
System:
The UNT Digital Library
Adaptation of Fluctuating Magnetoacoustic System to External Signals
Article studying the influence of microwave signals of different shapes on the magnetoacoustic wave system with a giant nonlinearity in canted antiferromagnet FeBO₃ at room temperature, which is close to its phase transition to the paramagnetic state. Results represent the first observation of the macroscopic quantum statistical phenomenon, Bose-Einstein condensation of magnetoacoustic wave quanta in a wave system with a high level of thermal fluctuations.
Date:
June 2, 2021
Creator:
Safonov, Vladimir L.; Bas, Derek A.; Berman, Diana; Rostovtsev, Yuri V.; Roberts, James A.; Mcconney, Michael E. et al.
System:
The UNT Digital Library
Additive friction stir deposition: a deformation processing route to metal additive manufacturing
This article outlines key advantages of additive friction stir deposition, e.g. rendering fully-dense material in the as-printed state with fine, equiaxed microstructures, identifies its niche engineering uses, and points out future research needs in process physics and materials innovation.
Date:
November 24, 2020
Creator:
Yu, Hang Z. & Mishra, Rajiv
System:
The UNT Digital Library
Additive friction stir deposition of AZ31B magnesium alloy
Article explores additive friction stir deposition of AZ31B magnesium alloy with the aid of MELD® technology.
Date:
May 3, 2022
Creator:
Joshi, Sameehan; Patil, Shreyash M.; Mazumder, Sangram; Sharma, Shashank; Riley, Daniel A.; Dowden, Shelden et al.
System:
The UNT Digital Library
Author Correction: MXene/graphene oxide nanocomposites for friction and wear reduction of rough steel surfaces
Correction to the article points out an error in Figure 1e. The figure is corrected in this article.
Date:
October 11, 2023
Creator:
Macknojia, Ali Zayaan; Ayyagari, Aditya; Shevchenko, Elena V. & Berman, Diana
System:
The UNT Digital Library
Bioresorbable stent to manage congenital heart defects in children
This article assembles large, pediatric-sized stents (Ø10 - Ø20 mm) from poly(L-lactide) fibers (DH-BDS) at two thicknesses, 250 µm and 300 µm. DH-BDS exhibiting hoop strength similar to metal stents and demonstrating minimal degradation and strength loss over the first year before completely disappearing within 3 to 4.5 years show promise as a pediatric interventional alternative to current strategies.
Date:
March 19, 2021
Creator:
Wright, Jamie; Nguyen, Annie; D'Souza, Nandika Anne, 1967-; Forbess, Joseph M.; Nugent, Alan; Reddy, Surenderanath R. Veeram et al.
System:
The UNT Digital Library
Black Phosphorus-Molybdenum Disulfide Hetero-Junctions Formed with Ink-Jet Printing for Potential Solar Cell Applications with Indium-Tin-Oxide
Article on the implementation of liquid exfoliation to inkjet-print two-dimensional (2D) black phosphorous (BP) and molybdenum disulfide (MoS₂) p–n heterojunctions on a standard indium tin oxide (ITO) glass substrate in a vertical architecture. The authors also compared the optical and electrical properties of the inkjet-printed BP layer with that of the MoS₂ and the electrical properties of the mechanically exfoliated MoS₂ with that of the inkjet-printed MoS₂.
Date:
May 18, 2021
Creator:
Mehta, Ravindra & Kaul, Anupama
System:
The UNT Digital Library
Boosting Piezoelectricity by 3D Printing PVDF-MoS2 Composite as a Conformal and High-Sensitivity Piezoelectric Sensor
Article describes how additively manufactured flexible and high-performance piezoelectric devices are highly desirable for sensing and energy harvesting of 3D conformal structures. This study reports a significantly enhanced piezoelectricity in polyvinylidene fluoride (PVDF) achieved through the in situ dipole alignment of PVDF within PVDF-2D molybdenum disulfide composite by 3D printing.
Date:
June 21, 2023
Creator:
Islam, M.D, Nurul; Rupom, Rifat Hasan; Adhikari, Pashupati R.; Demchuk, Zoriana; Popov, Ivan; Sokolov, Alexei P. et al.
System:
The UNT Digital Library
Can a simple topological-constraints-based model predict the initial dissolution rate of borosilicate and aluminosilicate glasses?
This article, as an alternative route to empirical models, shows that a structural descriptor based on the number of topological constraints per atom can be used to predict the initial dissolution rate of aluminosilicate and borosilicate glasses after being parameterized on different families of glasses (specific series of borosilicate glasses). Results show that, provided that corrections are made for high alkali content glasses that dissolve incongruently (preferential release of Na), the model gives reasonable predictions, even far from its training domain.
Date:
March 16, 2020
Creator:
Gin, Stéphane; Wang, Mengyi; Bisbrouck, Nicolas; Taron, Mélanie; Lu, Xiaonan; Deng, Lu et al.
System:
The UNT Digital Library
Carbon Capture Utilization for Biopolymer Foam Manufacture: Thermal, Mechanical and Acoustic Performance of PCL/PHBV CO2 Foams
This article uses PCL to blend into PBHV. Both unfoamed and foamed blends are examined. The results provide a pathway to multifunctional performance in foams of high performance biopolymers such as PBHV through harnessing the CO₂ miscibility of PCL.
Date:
July 31, 2021
Creator:
Oluwabunmi, Kayode E.; Zhao, Weihuan & D'Souza, Nandika Anne, 1967-
System:
The UNT Digital Library
Carrier photodynamics in 2D perovskites with solution-processed silver and graphene contacts for bendable optoelectronics
Article reporting on the inkjet printed, direct contact study of solution-processed, 2D perovskite-based photodetectors (PDs) formed on flexible PI substrates. Silver (Ag) and graphene (Gr) inks have been engineered to serve as efficient electrical contacts for solution-processed two-dimensional (2D) organo-halide (CH3(CH2)3NH3)2(CH3NH3)n−1PbnI3n+1 (n = 4) layered perovskites, where all inkjet-printed heterostructure PDs were fabricated on polyimide (PI) substrates.
Date:
March 25, 2021
Creator:
Hossain, Ridwan F.; Min, Misook; Ma, Liang-Chieh; Sakri, Shambhavi R. & Kaul, Anupama
System:
The UNT Digital Library
Characterize traction–separation relation and interfacial imperfections by data-driven machine learning models
This article combines machine learning (ML), finite element analysis (FEA), and empirical experiments to develop data-driven models that characterize interfacial mechanical properties precisely. It also provides a code package containing trained ML models, allowing other researchers to establish T–S relations for different material interfaces.
Date:
July 12, 2021
Creator:
Ferdousi, Sanjida; Chen, Qiyi; Soltani, Mehrzad; Zhu, Jiadeng; Cao, Pengfei; Choi, Wonbong et al.
System:
The UNT Digital Library
Co-introduction of precipitate hardening and TRIP in a TWIP high-entropy alloy using friction stir alloying
Article exploring friction stir alloying (FSA) to tune the microstructure and a composition of a TWIP high-entropy alloy by adding Ti, and thus activating site-specific deformation mechanisms that occur concomitantly in a single alloy. This approach presents a novel microstructural architecture to design alloys, an approach that combines and optimizes local compositions such that multiple deformation mechanisms can be activated to enhance engineering properties.
Date:
January 15, 2021
Creator:
Wang, Tianhao; Shukla, Shivakant; Gwalani, Bharat; Sinha, S.; Thapliyal, Saket; Frank, Michael et al.
System:
The UNT Digital Library
Complex Concentrated Alloys (CCAs)—Current Understanding and Future Opportunities
Article providing an overview of the special issue titled Complex Concentrated Alloys (CCAs) - Current Understanding and Future Opportunities. The published papers in this special issue aim to report on the current state of research in complex concentrated alloys (CCAs) as well as compelling future opportunities in wide ranging applications.
Date:
September 11, 2020
Creator:
Mukherjee, Sundeep
System:
The UNT Digital Library
Compostable, fully biobased foams using PLA and micro cellulose for zero energy buildings
Article examining foams made from polylactic acid (PLA) and micro cellulose fibrils (MCF) to address the need for bio-resourced foams for the building industry.
Date:
October 20, 2020
Creator:
Oluwabunmi, Kayode; D'Souza, Nandika Anne, 1967-; Zhao, Weihuan; Choi, Tae-Youl & Theyson, Thomas
System:
The UNT Digital Library
Computational Assessment of Thermokinetics and Associated Microstructural Evolution in Laser Powder Bed Fusion Manufacturing of Ti6Al4V Alloy
This article develops a three-dimensional thermokinetic model based on the finite element method to correlate with the microstructure evolved in additively manufactured Ti6Al4V alloy.
Date:
May 5, 2020
Creator:
Pantawane, Mangesh V.; Ho, Yee-Hsien; Joshi, Sameehan & Dahotre, Narendra B.
System:
The UNT Digital Library
Correlating work hardening with co-activation of stacking fault strengthening and transformation in a high entropy alloy using in-situ neutron diffraction
Article using in-situ neutron diffraction to correlate SF strengthening to work hardening behavior in a low SFE Fe40Mn20Cr15Co20Si5 (at%) high entropy alloy, SFE ~ 6.31 mJ m−2. Cooperative activation of multiple mechanisms was indicated by increases in SF strengthening and γ-f.c.c. → ε-h.c.p. transformation leading to a simultaneous increase in strength and ductility. The present study demonstrates the application of in-situ, neutron or X-ray, diffraction techniques to correlating SF strengthening to work hardening.
Date:
December 17, 2020
Creator:
Frank, M.; Nene, Saurabh S.; Chen, Y.; Gwalani, B.; Kautz, E. J.; Devaraj, A. et al.
System:
The UNT Digital Library
Correlation between bonding, vacancy migration mechanisms, and creep in model binary and ternary hcp-Mg solid solutions
Article compares in-plane (IP) and out-of-plane (OOP) vacancy migration mechanisms in binary Mg–X (Ca, Y, and Gd) and ternary Mg–X (Ca, Y, and Gd)–Zn alloys using density functional theory based first principles computations.
Date:
October 13, 2020
Creator:
Paranjape, Priyanvada; Srinivasan, S. G. & Choudhuri, Deep
System:
The UNT Digital Library
Corrosion Fatigue Characteristics of 316L Stainless Steel Fabricated by Laser Powder Bed Fusion
This article studies the corrosion and corrosion fatigue characteristics of LPBF 316L stainless steels (SS) in 3.5 wt.% NaCl solution using an electrochemical method, high cycle fatigue, and fatigue crack propagation testing.
Date:
June 29, 2021
Creator:
Gnanasekaran, Balachander; Song, Jie; Vasudevan, Vijay K. & Fu, Yao
System:
The UNT Digital Library
A Critical Review of Laser Shock Peening of Aircraft Engine Components
Article describes how many aviation accidents are caused by the failure of aircraft engine components, and engine blades are especially vulnerable to high-cycle fatigue fracture in severe working environments as well as to impact damage caused by foreign objects. This review provides an overview of the development of LSP for use in treating aircraft engine components over the past three decades, with a brief introduction to the development of high-energy pulsed lasers for LSP.
Date:
May 3, 2023
Creator:
Ye, Yixuan; Zhang, Yu; Huang, Tao; Zou, Shikun; Dong, Yalin; Ding, Han et al.
System:
The UNT Digital Library
Crystallographic texture dependent bulk anisotropic elastic response of additively manufactured Ti6Al4V
This article identifies a bulk texture effect on elastic anisotropy in laser powder bed fused Ti6Al4V by employing an effective bulk modulus elastography technique coupled with ultrasound shear wave velocity measurement at a frequency of 20 MHz inside the material.
Date:
January 12, 2021
Creator:
Pantawane, Mangesh V.; Yang, Teng; Jin, Yuqi; Joshi, Sameehan; Dasari, Sriswaroop; Sharma, Abhishek et al.
System:
The UNT Digital Library
Deformation behavior and strengthening effects of an eutectic AlCoCrFeNi2.1 high entropy alloy probed by in-situ synchrotron X-ray diffraction and post-mortem EBSD
Article describes how high energy synchrotron X-ray diffraction was used during tensile testing of an as-cast eutectic AlCoCrFeNi2.1 high entropy alloy. The authors determine for the first time the volume fractions of existing phases, and they further detail their role on the alloy deformation behavior.
Date:
March 27, 2023
Creator:
Shen, Jiajia; Lopes, J.G.; Zeng, Zhi; Choi, Yeon Taek; Maawad, E.; Schell, N. et al.
System:
The UNT Digital Library