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Fiberboard Made from Scrap Denim: Characterization of its Properties by Effective Bulk Modulus Elastography
Article describes how fiberboards from scrap denim were fabricated using two different resins, melamine urea formaldehyde (MUF) and polymeric methylene diphenyl diisocyanate (pMDI). Resin content and MUF-pMDI weight ratio were studied. Physical and mechanical tests determined the modulus of elasticity (MOE), modulus of rupture (MOR), internal bond (IB), thickness swell (TS), and water absorption (WA).
Date:
March 20, 2023
Creator:
Shi, Sheldon; Cui, Zhiying; Jin, Yuqi; Smith, Lee M.; Wu, H. Felix & Neogi, Arup
Object Type:
Article
System:
The UNT Digital Library
NextGen-Malloc: Giving Memory Allocator Its Own Room in the House
Article describes how memory allocation and management have a significant impact on performance and energy of modern applications. The authors observe that performance can vary by as much as 72% in some applications based on which memory allocator is used, and in this paper, the authors make a case for offloading memory allocation (and other similar management functions) from main processing cores to other processing units to boost performance, reduce energy consumption, and customize services to specific applications or application domains.
Date:
June 22, 2023
Creator:
Li, Ruihao; Wu, Qinzhe; Kavi, Krishna M.; Mehta, Gayatri; Yadwadkar, Neeraja J. & John, Lizy Kurian
Object Type:
Article
System:
The UNT Digital Library
High-Fidelity Conjugate Heat Transfer Simulation of Micro-Channel Heat Exchanger
Article describes how high-fidelity conjugate heat transfer simulations are used to model a micro-channel heat exchanger (MCHE) in a crossflow to study its thermal-hydraulic performance. Three different microchannel geometries, namely circular, triangular, and square with louver-shaped fins, are considered.
Date:
July 1, 2023
Creator:
Ahmed, Hossain; Sadat, Hamid & Nasrazadani, Seifollah
Object Type:
Article
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.
Object Type:
Article
System:
The UNT Digital Library
Comparison of Thermal Effectiveness and Crevice Corrosion Risk of Fin Geometry on All-Aluminum Microchannel Heat Exchangers
Article all-aluminum microchannel heat exchangers have recently gained popularity in the heating, ventilation, and air conditioning industry. Despite their attractive thermal performance design, these heat exchangers make coils used in automotive, commercial, and residential applications prone to crevice corrosion. This study uses high-fidelity conjugate heat transfer simulations to model a micro channel heat exchanger system that includes fins and tubes with crossflow to compare their thermal effectiveness to gain insight into potential crevice corrosion of the MCHE alloy.
Date:
June 12, 2023
Creator:
Ahmed, Hossain; Nasrazadani, Seifollah & Sadat, Hamid
Object Type:
Article
System:
The UNT Digital Library
Mapping hierarchical and heterogeneous micromechanics of a transformative high entropy alloy by nanoindentation and machine learning augmented clustering
Article describes how conventional macromechanical tests provide limited insights into complex hierarchical deformation behavior of a transformative high entropy alloy (HEA). In this work, a high throughput microstructure-micromechanical correlative study is presented by combining high-resolution nanoindentation, site-specific microscopy, and Gaussian mixture model (GMM) clustering.
Date:
April 26, 2023
Creator:
Dhal, Abhijeet; Haridas, Ravi Sankar; Agrawal, Priyanka; Gupta, Sanya & Mishra, R. S.
Object Type:
Article
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.
Object Type:
Article
System:
The UNT Digital Library
FZ-GPU: A Fast and High-Ratio Lossy Compressor for Scientific Computing Applications on GPUs
Article describes how today's large-scale scientific applications running on high-performance computing (HPC) systems generate vast data volumes. Thus, data compression is becoming a critical technique to mitigate the storage burden and data-movement cost. In this paper, the authors develop a fast and high- ratio error-bounded lossy compressor on GPUs for scientific data (called FZ-GPU).
Date:
August 7, 2023
Creator:
Zhang, Bouyan; Tian, Jiannan; Di, Sheng; Yu, Xiaodong; Feng, Yunhe; Liang, Xin et al.
Object Type:
Article
System:
The UNT Digital Library
Laser powder bed fusion processing of a precipitation strengthenable FCC based high entropy alloy
Article describes how, while additive manufacturing (AM) of single-phase solid solution based high entropy alloys (HEAs) has attracted a lot of recent attention, such processing of precipitation strengthenable multi-phase HEAs has not been actively investigated. This becomes important since AM processing results in each layer experiencing rapid solidification followed by multiple heating-cooling cycles, mimicking in situ heat treatments, potentially influencing the phase evolution.
Date:
March 21, 2023
Creator:
Chesetti, Advika; Banerjee, Sucharita; Dasari, Sriswaroop; Varahabhatla, S.M.; Sharma, Abhishek; Mantri, Srinivas Aditya et al.
Object Type:
Article
System:
The UNT Digital Library
Thermal heat transfer and energy modeling through incorporation of phase change materials (PCMs) into polyurethane foam
Article describes how decreasing HVAC energy consumption through insulation effectiveness enables low energy use, low carbon emissions, and high thermal comfort in sustainable buildings. In this paper, two PCMs with transition temperature above and below the outdoor temperature incorporated in highly porous flexible polyurethane foam were evaluated using a one-dimensional (1D) foam core panel built in COMSOL Multiphysics®.
Date:
June 3, 2023
Creator:
Nandy, Aditi; Houl, Yassine; Zhao, Weihuan & D'Souza, Nandika Anne, 1967-
Object Type:
Article
System:
The UNT Digital Library
Harnessing nanofiber alignment and pore size to promote stem cell self-renewal and differentiation
Article describes how stem cell therapy holds immense potential for regenerative medicine, but its applications are limited due to the loss of pluripotency during in vitro expansion. This study reveals that the arrangement of electrospun fibers aligns with the distribution and strength of the electric field through both experimentation and simulation.
Date:
July 25, 2023
Creator:
Wei, Qiang; Blake, Laurence; Liu, Jiafeng; Man, Kun; Liang, Cindy; Teoh, Alexandra et al.
Object Type:
Article
System:
The UNT Digital Library
A Review of Rehabilitative and Assistive Technologies for Upper-Body Exoskeletal Devices
Authors state that this journal review article focuses on the use of assistive and rehabilitative exoskeletons as a new opportunity for individuals with diminished mobility. Overall, this article serves as a valuable resource for individuals working in the field of assistive and rehabilitative exoskeletons, providing insight into the state of the art and potential areas for improvement.
Date:
April 20, 2023
Creator:
Hays, Emilly; Slayton, Jack; Tejeda-Godinez, Gary; Carney, Emily; Cruz, Kobe; Exley, Trevor et al.
Object Type:
Article
System:
The UNT Digital Library
In-Situ Monitoring for Quality Assurance and Machine Learning in Direct-Write Additive Manufacturing of 5G RF Electronic Ceramics
Data management plan for the grant, "In-Situ Monitoring for Quality Assurance and Machine Learning in Direct-Write Additive Manufacturing of 5G RF Electronic Ceramics."
Date:
2023-11-01/2026-10-31
Creator:
Shepherd, Nigel D.
Object Type:
Text
System:
The UNT Digital Library
Preparation of a strong, high prepressing intensity, and multifunction soybean protein adhesive by using hyperbranched functional polymer
Article states that the preparation of a soybean protein adhesive with good prepressing intensity, mildew proof, flame retardant, and high bond strength are conducive to the wide application of a soybean protein adhesive, which is important but challenging for the wood-based panel industry. In this study, two hyperbranched functional polymers were designed.
Date:
January 9, 2023
Creator:
Liu, Zheng; Liu, Tao; Zhang, Jieyu; Li, Yue; Luo, Jing; Li, Jianzhang et al.
Object Type:
Article
System:
The UNT Digital Library
Anthropo-fidelic behavior of elastic-plastic lattice structures
Article discusses how vat photopolymerization is used to construct triply periodic minimal surfaces (TPMS) to match human heel pad stiffness. This work substantiates the suitability of latticed models to reach the stiffness of the heel pad chambers.
Date:
February 24, 2023
Creator:
Haney, Christopher W. & Siller Carrillo, Héctor Rafael
Object Type:
Article
System:
The UNT Digital Library
Quantitative estimation of closed cell porosity in low density ceramic composites using X-ray microtomography
Article asserts that x-ray Microtomography is a proven tool for phase fraction analysis of multi-phase systems, provided that each phase is adequately partitioned by some means of data processing. The authors present a novel, combined methodology for accurate porosity analysis—despite these shortcomings.
Date:
January 4, 2023
Creator:
Smith, J. D.; Garcia, C.; Rodriguez, J. & Scharf, T. W.
Object Type:
Article
System:
The UNT Digital Library
High-Throughput Investigation of Multiscale Deformation Mechanism in Additively Manufactured Ni Superalloy
Article discusses how, in this paper, Inconel 718 (IN718) superalloy was processed by laser powder-bed fusion additive manufacturing (L-PBFAM), followed by heat treatment. Evidence of extensive deformation of twin networks and dislocation cells was revealed by transmission electron microscopy of the deformed region under the nanoindentation tip.
Date:
February 17, 2023
Creator:
Dhal, Abhijeet; Agrawal, Priyanka; Haridas, Ravi Sankar; Gaddam, Supreeth; Sharma, Aishani; Parganitha, Digvijay et al.
Object Type:
Article
System:
The UNT Digital Library
Graduate Research Fellowship Program (GRFP): Ali Yar Khan
Data management plan for the grant, "Graduate Research Fellowship Program (GRFP)" for Ali Yar Khan.
Date:
2023-09-15/2028-08-31
Creator:
Oppong, Joseph R. & Khan, Ali Yar
Object Type:
Text
System:
The UNT Digital Library
Microstructure evolution and mechanical properties in a gas tungsten arc welded Fe42Mn28Co10Cr15Si5 metastable high entropy alloy
Article asserts that weldability studies on high entropy alloys are still relatively scarce, delaying the deployment of these materials into real-life applications, thus, there is an urgent need for in-depth studies of the weldability of these novel advanced engineering alloys. In the current work, an as-cast Fe42Mn28Co10Cr15Si5 metastable high entropy alloy was welded for the first time using gas tungsten arc welding.
Date:
February 6, 2023
Creator:
Shen, Jiajia; Agrawal, Priyanka; Rodrigues, Tiago A.; Lopes, J.G.; Schell, N.; He, Jinjing et al.
Object Type:
Article
System:
The UNT Digital Library
Lithium-CO2 batteries and beyond
Article describes how Li-CO2 batteries with a theoretical energy density of 1,876 Wh kg−1 are attractive as a promising energy storage strategy and as an effective way to reduce greenhouse gas emissions by CO2 reduction and the formation of discharge product Li2CO3 and carbon. This article provides critical perspectives on the development of Li-CO2 batteries as well as a description of current issues and challenges associated with cathode catalysts, electrolyte, and anode for Li-CO2 batteries.
Date:
March 3, 2023
Creator:
Pathak, Anil; Adhikari, Pashupati R. & Choi, Wonbong
Object Type:
Article
System:
The UNT Digital Library
A Phosphonic Functionalized Biopolymer for the Sorption of Lanthanum (III) and Application in the Recovery of Rare Earth Elements
Authors of the article state that in the first step of their experiment, the sorption was investigated using La(III) ions before testing for the recovery of rare earth elements (REEs) from pretreated industrial acidic leachate. They infer that phosphonate groups participate in the sorption, and that the most effective sorption is at pH = 4.
Date:
February 3, 2023
Creator:
Hamza, Mohammed F.; Abdellah, Walid M.; Zaki, Doaa I.; Wei, Yuezhou; Althumayri, Khalid; Brostow, Witold, 1934- et al.
Object Type:
Article
System:
The UNT Digital Library
A Shannon-Theoretic Approach to the Storage–Retrieval Trade-Off in PIR Systems
Authors of the article consider the storage–retrieval rate trade-off in private information retrieval (PIR) systems using a Shannon-theoretic approach. Their focus is mostly on the canonical two-message two-database case, for which a coding scheme based on random codebook generation and the binning technique is proposed.
Date:
January 11, 2023
Creator:
Tian, Chao; Sun, Hua & Chen, Jun
Object Type:
Article
System:
The UNT Digital Library
Visual object tracking: Progress, challenge, and future
Article discusses how visual object tracking aims to continuously localize the target object of interest in a video sequence. To provide the community an overview, in this commentary, the authors discuss visual tracking from different aspects.
Date:
February 21, 2023
Creator:
Zhang, Libo & Fan, Heng
Object Type:
Article
System:
The UNT Digital Library
SaTC: CORE: Small: Customizable Geo-Obfuscation to Protect Users' Location Privacy in Mobile Crowdsourcing
Data management plan for the grant, "SaTC: CORE: Small: Customizable Geo-Obfuscation to Protect Users' Location Privacy in Mobile Crowdsourcing."
Date:
2023-07-01/2026-06-30
Creator:
Qiu, Chenxi
Object Type:
Text
System:
The UNT Digital Library