UNT College of Engineering - 54 Matching Results

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open access

Advancing Reverse Electrowetting-on-Dielectric from Planar to Rough Surface Electrodes for High Power Density Energy Harvesting

Description: Article presenting electrical and multiphysics-based modeling approaches of REWOD energy harvester using structured rough surface electrodes. By enhancing the overall available surface area, an increase in the overall capacitance is achieved.
Date: December 15, 2021
Creator: Adhikari, Pashupati R.; Patwary, Adnan B.; Kakaraparty, Karthik; Gunti, Avinash; Reid, Russell C. & Mahbub, Ifana
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open access

Cache-Aided General Linear Function Retrieval

Description: This article designs a novel coded caching scheme that outperforms uncoded caching schemes that either use unicast transmissions or let each user recover all files in the library. It extends the scope of the authors’ past work that only considered the class of linear functions that operate element-wise over the files.
Date: December 26, 2020
Creator: Wan, Kai; Sun, Hua; Ji, Mingyue; Tuninetti, Daniela & Caire, Giuseppe
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open access

Carbon Nanomaterials for Optical Absorber Applications

Description: Article describing optical absorbers based on vertically aligned multi-walled carbon nanotubes (MWCNTs), synthesized using electric-field assisted growth that show an ultra-low reflectance, 100X lower compared to the benchmark, a diffuse metal black - Au-black - from wavelength λ ~ 350 nm – 2500 nm.
Date: December 28, 2011
Creator: Kaul, Anupama; Coles, James; Megerian, Krikor; Eastwood, Michael; Green, Robert; Pagano, Thomas et al.
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open access

Computational Fluid Dynamics, potential flow and system-based simulations of fully appended free running 5415M in calm water and waves

Description: Article assesses the capabilities of computational fluid dynamics (CFD), potential flow (PF), and system-based (SB) methods for course keeping in calm water and regular and bi-chromatic waves for 5415M as a benchmark test case for AVT-161.
Date: December 27, 2018
Creator: Toxopeus, Serge; Sadat Hosseini, Seyed Hamid; Visonneau, Michel; Guilmineau, Emmanuel; Yen, Tin-Guen; Lin, Woei-Min et al.
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open access

Correlating work hardening with co-activation of stacking fault strengthening and transformation in a high entropy alloy using in-situ neutron diffraction

Description: 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 strengthen… more
Date: December 17, 2020
Creator: Frank, M.; Nene, Saurabh S.; Chen, Y.; Gwalani, B.; Kautz, E. J.; Devaraj, A. et al.
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open access

Deformation induced intermediate metastable lattice structures facilitate ordered B2 nucleation in a fcc-based high entropy alloy

Description: This article reports a novel mixed-mode coupled displacive-diffusional transformation resulting in homogeneously distributed intra-granular B2 precipitates within the fcc matrix.
Date: December 5, 2018
Creator: Choudhuri, Deep; Shukla, Shivakant; Gwalani, Bharat; Banerjee, Rajarshi & Mishra, R. S.
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open access

Discovery via Integration of Experimentation and Modeling: Three Examples for Titanium Alloys

Description: This article uses case studies to describe three examples of critical experiments that have been conducted in an integrated fashion with modeling activities for titanium alloys, providing valuable information in an accelerated manner.
Date: December 2, 2014
Creator: Liu, Yue; Samimi, P.; Ghamarian, I.; Brice, David A.; Huber, D. E.; Wang, Zhiqiang et al.
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open access

Durable, High Conductivity, Superhydrophobicity Bamboo Timber Surface for Nanoimprint Stamps

Description: This article discusses the fabrication of superhydrophobic bamboo timber by magnetron sputtering and nanoimprint stamps. It was expected that this work could promote the applications of superhydrophobic and conductive bamboo products.
Date: December 6, 2017
Creator: Bao, Wenhui; Liang, Daxin; Zhang, Ming; Jiao, Yue; Wang, Lijuan; Cai, Liping et al.
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open access

Effect of Elevated Temperatures on Properties of Blended Cements with Clinoptilolite

Description: Article investigates the effect of elevated temperature on properties of clinoptilolite blended cements. Clinoptilolite was used at 5 %, 10 %, 15 % and 20 % replacement by weight for Portland cement while sand and water quantities were kept constant in all mix designs. The mortars with 5 % or 10 % cliniptilolite substitution have compressive strength exceeding 42.5 MPa after being subjected to 400 °C and 500 °C.
Date: December 1, 2016
Creator: Beycioglu, Ahmet; Yılmaz Aruntaș, Hüseyin; Gencel, Osman; Hagg Lobland, Haley E.; Şamandar, Ayhan & Brostow, Witold, 1934-
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open access

Effect of Thermal Treatment With Water, H₂So₄ and Naoh Aqueous Solution on Color, Cell Wall and Chemical Structure of Poplar Wood

Description: This article describes a study to observe and quantify the changes of color on wood surface and microstructure of cell walls after the thermal treatment with water, dilute acid and alkali, and to describe the changes of chemical structure on wood surface after those pretreatments.
Date: December 7, 2018
Creator: Shi, Jiangtao; Lu, Yu; Zhang, Yaoli; Cai, Liping & Shi, Sheldon Q.
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open access

Effects of gradient distribution and aggregate structure of fibers on the flexibility and flexural toughness of natural moso bamboo (Phyllostachys edulis)

Description: Article is a study proposing an original method to quantitatively evaluate the gradient distribution and aggregate structure of fibers on the flexibility and flexural toughness of natural moso (Phyllostachys edulis) bamboo, with a comparison to two other natural woods.
Date: December 24, 2021
Creator: Wei, Xin; Wang, Ge; Smith, Lee M.; Chen, Xiaoyi & Jiang, Huan
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open access

Exceptional increase in the creep life of magnesium rare-earth alloys due to localized bond stiffening

Description: Article describes study in which researchers attribute the 600% increase in creep life in a prototypical Mg–rare earth (RE)–Zn alloy to multiple mechanisms caused by RE–Zn bonding—stabilization of a large volume fraction of strengthening precipitates on slip planes, increase in vacancy diffusion barrier, reduction in activated cross-slip, and enhancement of covalent character and bond strength around Zn solutes along the c-axis of Mg using atomic-scale characterization and first principles calc… more
Date: December 8, 2017
Creator: Choudhuri, Deep; Srivilliputhur, Srinivasan; Gibson, Mark A.; Zheng, Yufeng; Jaeger, David L.; Fraser, Hamish L. et al.
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open access

Experimental Determination of Residual Stresses Generated by Single Point Incremental Forming of AlSi10Mg Sheets Produced Using SLM Additive Manufacturing Process

Description: This article focuses on investigating the residual stress values associated with a part fabricated by Selective Laser Melting technology (SLM) when this is subjected further to forces on single point incremental forming (SPIF) operation of variable wall angle.
Date: December 13, 2018
Creator: López, Cecilio; Elías-Zúñiga, Alex; Jiménez, Isaac; Martínez-Romero, Oscar; Siller Carrillo, Héctor Rafael & Diabb, José
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open access

Experimental Study of Back Wall Dross and Surface Roughness in Fiber Laser Microcutting of 316L Miniature Tubes

Description: This article uses extensive experimentation to evaluate the effect of fiber laser micro-cutting parameters over average surface roughness and back wall dross in AISI 316L stainless steel mixture tubes.
Date: December 26, 2017
Creator: García-López, Erika; Medrano-Tellez, Alexis G.; Ibarra-Medina, Juansethi R.; Siller Carrillo, Héctor Rafael & Rodríguez, Ciro A.
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open access

Experimental Validation of Diffraction Lithography for Fabrication of Solid Microneedles

Description: Article states that microneedles are highly sought after for medicinal and cosmetic applications. However, the current manufacturing process for microneedles remains complicated, hindering its applicability to a broader variety of applications. This experimental study enables the shapes and mechanical properties of the microneedles to be predicted in advance for mass production and wide practical use for biomedical or cosmetic applications.
Date: December 14, 2022
Creator: Tan, Jun Ying; Li, Yuanki; Chamani, Faraz; Tharzeen, Aabila; Prakash, Punit; Natarajan, Balasubramaniam et al.
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open access

Genome-Resolved Proteomic Stable Isotope Probing of Soil Microbial Communities Using 13CO2 and 13C-Methanol

Description: Article describes experiment where proteomic sable isotope probing (SIP) was combined with targeted metagenomic binning to reconstruct metagenome-assembled genomes (MAGs) of the microorganisms producing labeled proteins. Carbon flows were tracked from 13CO2 to the rhizosphere communities of Zea mays, Triticum aestivum, and Arabidopsis thaliana.
Date: December 6, 2019
Creator: Li, Zhou; Yao, Qiuming; Guo, Xuan; Crits-Christoph, Alexander; Mayes, Melanie A.; Hervey, William Judson IV et al.
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