Interfacial Structures and Energetics of the Strengthening Precipitate Phase in Creep-Resistant Mg-Nd-Based Alloys (open access)

Interfacial Structures and Energetics of the Strengthening Precipitate Phase in Creep-Resistant Mg-Nd-Based Alloys

This article discusses the study of two interfaces– {112}β1/{1100}Mg and {111}β1/{1120}Mg– that are commensurate with β1/hcp-Mg orientation relationship via first principles calculations.
Date: January 17, 2017
Creator: Choudhuri, Deep; Banerjee, Rajarshi & Srivilliputhur, Srinivasan
Object Type: Article
System: The UNT Digital Library
Revisiting (Some of) the Lasting Impacts of the Liberty Ships via a Metallurgical Analysis of Rivets from the SS "John W. Brown" (open access)

Revisiting (Some of) the Lasting Impacts of the Liberty Ships via a Metallurgical Analysis of Rivets from the SS "John W. Brown"

This article examines a rivet from the SS "John W. Brown", which was assembled in Baltimore, Maryland, and launched in September 1942. Classical metallurgical analysis of a rivet from the original 1942 vessel is compared with modern rivets used during its restoration.
Date: October 26, 2015
Creator: Harris, M. D.; Grogg, W. J.; Akoma, A.; Hayes, B. J.; Reidy, Richard F.; Imhoff, E. F. et al.
Object Type: Article
System: The UNT Digital Library
Improvement of Scratch and Wear Resistance of Polymers by Fillers Including Nanofillers (open access)

Improvement of Scratch and Wear Resistance of Polymers by Fillers Including Nanofillers

This article reviews approaches for improvement of tribological properties of polymers based on inclusion of fillers.
Date: March 16, 2017
Creator: Brostow, Witold, 1934-; Hagg Lobland, Haley E.; Hnatchuk, Nathalie & Pérez, José M.
Object Type: Article
System: The UNT Digital Library
Characterize traction–separation relation and interfacial imperfections by data-driven machine learning models (open access)

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.
Object Type: Article
System: The UNT Digital Library
Influence of high heating rates on evolution of oxides on directed laser energy additively fabricated IN718 (open access)

Influence of high heating rates on evolution of oxides on directed laser energy additively fabricated IN718

Article studying material response under dynamic short duration-high temperature oxidation.
Date: September 1, 2021
Creator: Mazumder, Sangram
Object Type: Article
System: The UNT Digital Library
Process and Materials Development for Additive Manufacturing (AM) of Tungsten-Based Alloys with Superior High Temperature Performance and Good Room Temperature Ductility (open access)

Process and Materials Development for Additive Manufacturing (AM) of Tungsten-Based Alloys with Superior High Temperature Performance and Good Room Temperature Ductility

Data management plan for the grant "Process and Materials Development for Additive Manufacturing (AM) of Tungsten-Based Alloys with Superior High Temperature Performance and Good Room Temperature Ductility." Research on CALPHAD simulations will be conducted to optimize the chemical composition of tungsten based alloys towards 3D printability while boosting mechanical performance through solid solution and dispersion strengthening. This will followed by powder prototyping to validate the simulation results experimentally and to finalize the chemical composition of interest. Process parameter optimization and post-process heat treatment design will help to achieve optimal low-to-high temperature mechanical properties. Mechanical testing and microstructural characterization will be performed to establish process-microstructure-property relationships.
Date: 2021-09-01/2022-08-31
Creator: Mishra, Rajiv & Imandoust, Aidin
Object Type: Text
System: The UNT Digital Library
Ion-exchange mechanisms and interfacial reaction kinetics during aqueous corrosion of sodium silicate glasses (open access)

Ion-exchange mechanisms and interfacial reaction kinetics during aqueous corrosion of sodium silicate glasses

Article on the ion-exchange and associated interfacial reaction mechanisms of silicate glasses. This work reports findings that shed light on the complex ion-exchange mechanisms during glass hydration and enables more detailed understanding of the corrosion and glass-water interactions of silicate glasses which has the potential to impact both science and technology.
Date: April 8, 2021
Creator: Deng, Lu; Miyatani, Katsuaki; Suehara, Michinori; Amma, Shin-ichi; Ono, Madoka; Urata, Shingo et al.
Object Type: Article
System: The UNT Digital Library
Carbon Nanomaterials for Optical Absorber Applications (open access)

Carbon Nanomaterials for Optical Absorber Applications

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.
Object Type: Article
System: The UNT Digital Library
Noble-Metal based Metallic Glasses as Highly Catalytic Materials for Hydrogen Oxidation Reaction in Fuel Cells (open access)

Noble-Metal based Metallic Glasses as Highly Catalytic Materials for Hydrogen Oxidation Reaction in Fuel Cells

Article describes study evaluating the electro-catalytic behavior of recently developed Pt-, Pd-, and Pt/Pd-based metallic glasses using scanning electrochemical microscopy.
Date: August 20, 2019
Creator: Hasannaeimi, Vahid & Mukherjee, Sundeep
Object Type: Article
System: The UNT Digital Library
Nanoindentation behavior of high entropy alloys with transformation-induced plasticity (open access)

Nanoindentation behavior of high entropy alloys with transformation-induced plasticity

Article describes an experiment where nanoindentation of three metastable dual-phase high entropy alloys (HEAs) was performed to obtain their inherent elastoplastic deformation responses.
Date: April 29, 2019
Creator: Sinha, S.; Mirshams, Reza; Wang, Tianhao; Nene, S. S.; Frank, M.; Liu, K et al.
Object Type: Article
System: The UNT Digital Library
Wear and friction of composites of an epoxy with boron containing wastes (open access)

Wear and friction of composites of an epoxy with boron containing wastes

Article describes development of polymer composites based on epoxy resins containing up to 50 wt. % of boron wastes and determined their pin-on-disk dynamic friction, wear, Shore D hardness and surface roughness.
Date: November 18, 2014
Creator: Uygunoğlu, Tayfun; Brostow, Witold, 1934- & Gunes, Ibrahim
Object Type: Article
System: The UNT Digital Library
Hierarchical Eutectoid Nano-lamellar Decomposition in an Al0.3CoFeNi Complex Concentrated Alloy (open access)

Hierarchical Eutectoid Nano-lamellar Decomposition in an Al0.3CoFeNi Complex Concentrated Alloy

Article discusses a novel eutectoid nano-lamellar (FCC + L12)/(BCC + B2) microstructure that has been discovered in a relatively simple Al0.3CoFeNi high entropy alloy (HEA) or complex concentrated alloy (CCA).
Date: March 16, 2020
Creator: Dasari, Sriswaroop; Gwalani, Bharat; Jagetia, Abhinav; Soni, V.; Gorsse, Stéphane & Banerjee, Rajarshi
Object Type: Article
System: The UNT Digital Library
Multi-Fold Enhancement in Compressive Properties of Polystyrene Foam Using Pre-delaminated Stearate Functionalized Layer Double Hydroxides (open access)

Multi-Fold Enhancement in Compressive Properties of Polystyrene Foam Using Pre-delaminated Stearate Functionalized Layer Double Hydroxides

Describes study in developing an environmentally benign styrene foam using supercritical CO2.
Date: December 19, 2019
Creator: Ogunsona, Emmanuel O.; Dagnon, Koffi L. & D'Souza, Nandika Anne, 1967-
Object Type: Article
System: The UNT Digital Library
Tribological Properties of (EN AW-AlCu4MgSi(A)) Aluminium Alloy Surface Layer After Ball Burnishing (open access)

Tribological Properties of (EN AW-AlCu4MgSi(A)) Aluminium Alloy Surface Layer After Ball Burnishing

Article presents the tribological properties of (EN AW-AlCu4MgSi(A)) aluminium alloy surface layer after ball burnishing. EN AW-AlCu4MgSi(A) aluminium alloy is widely used as a structural material in aerospace and automotive applications. The authors have subjected it to grinding, polishing and ball burnishing. The authors have performed ball-on-disk tribological tests. We have also determined normalized 3D roughness parameters. High surface smoothness turns out to be obtainable. Favorable effect of the ball burnishing on the tribological properties of the alloy are seen. Results will be presented at the International Scientific Conference BALTTRIB, 2015.
Date: 2015
Creator: Brostow, Witold, 1934-; Cygan, S.; Czechowski, K.; Kalisz, J.; Laszkiewicz-Łukasik, J. & Łętocha, A.
Object Type: Article
System: The UNT Digital Library
Charge Transport in Two-Dimensional Materials Based Integrated Flexible Energy System (open access)

Charge Transport in Two-Dimensional Materials Based Integrated Flexible Energy System

Data management plan for the grant "Charge Transport in Two-Dimensional Materials Based Integrated Flexible Energy System."
Date: 2021-04-15/2022-03-14
Creator: Choi, Wonbong
Object Type: Text
System: The UNT Digital Library
Self-powered Wireless Sensors and Interfaces for Unmanned Aerial Vehicles (open access)

Self-powered Wireless Sensors and Interfaces for Unmanned Aerial Vehicles

Data management plan for the grant, "Self-powered Wireless Sensors and Interfaces for UAVs." Self-powered wireless sensors acting as nanogenerators can not only harvest ambient environment energy during the flight but also are capable of wirelessly monitoring pressure, temperature and other parameters to make the UAV truly an intelligent transportation system (ITS). This proposal requests the acquisition of a Mask Aligner to pattern such self-powered sensors with nano-antenna structures for wireless communication. The addition of the proposed system will enable researchers to study novel 2D materials as self-powered sensors and actuators. The proposed infrastructure would allow the development of smart, autonomous mobility systems with breakthroughs in intelligent technologies, research and workforce preparation.
Date: 2021-05-05/2022-05-04
Creator: Choi, Wonbong
Object Type: Text
System: The UNT Digital Library
Method for Removing Contaminants on a Substrate (open access)

Method for Removing Contaminants on a Substrate

Patent relating to a method for removing contaminants on a substrate.
Date: November 21, 2002
Creator: Quevedo-Lopez, Manuel A.; Wallace, Robert M.; Bouanani, Mohamed El & Gnade, Bruce
Object Type: Patent
System: The UNT Digital Library
Laser-Assisted Machining (LAM) of Hard Tissues and Bones (open access)

Laser-Assisted Machining (LAM) of Hard Tissues and Bones

Patent relating to a system and methods of machining hard tissues, such as bone.
Date: March 17, 2014
Creator: Dahotre, Narendra B. & Santhanakrishnan, Soundarapandian
Object Type: Patent
System: The UNT Digital Library
Method for using Filed Emitter Arrays in Chemical and Biological Hazard Mitigation and Remediation (open access)

Method for using Filed Emitter Arrays in Chemical and Biological Hazard Mitigation and Remediation

Patent relating to a method for using field emitter arrays in chemical and biological hazard mitigation and remediation.
Date: January 18, 2002
Creator: Gnade, Bruce & Wallace, Robert M.
Object Type: Patent
System: The UNT Digital Library
Impact Resistant Flexible Body Device (open access)

Impact Resistant Flexible Body Device

Patent relating to an impact resistant device that can be worn as body armor to protect the wearer from high velocity projectiles.
Date: August 13, 2008
Creator: Biermann, Paul J.; Roberts, Jack C. & Reidy, Richard F.
Object Type: Patent
System: The UNT Digital Library
In-Situ Monitoring for Quality Assurance and Machine Learning in Direct-Write Additive Manufacturing of 5G RF Electronic Ceramics (open access)

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
Biocompatible, large-format, inkjet printed heterostructure molybdenum disulfide-graphene photodetectors on conformable substrates (open access)

Biocompatible, large-format, inkjet printed heterostructure molybdenum disulfide-graphene photodetectors on conformable substrates

This article describes an inkjet printed, biocompatible, heterostructure photodetector that was constructed using inks of photo-active molybdenum disulfide (MoS2) and electrically conducting graphene which facilitated charge collection of the photocarriers. The importance of such devices stems from their potential utility in age-related-macular degeneration, which is a condition where the photosensitive retinal tissue degrades with aging, eventually compromising vision. The absence of effective therapeutic remedies for patients with this disorder has motivated the development of such devices to restore some degree of visual function.
Date: September 7, 2017
Creator: Hossain, Ridwan F.; Deaguero, Isaac G.; Boland, Thomas & Kaul, Anupama
Object Type: Article
System: The UNT Digital Library
Effect of composition and thermal history on deformation behavior and cluster connections in model bulk metallic glasses (open access)

Effect of composition and thermal history on deformation behavior and cluster connections in model bulk metallic glasses

Article describes the compositional dependence and influence of relaxation state on the deformation behavior of a Pt–Pd-based bulk metallic glasses model system was investigated, where platinum is systematically replaced by topologically equivalent palladium atoms. Based on total scattering experiments with synchrotron X-ray radiation, a correlation between the increase in stiffer 3-atom cluster connections and reduction in strain-rate sensitivity, as a measure of ductility, with Pd content and thermal history is suggested.
Date: October 12, 2022
Creator: Neuber, Nico; Sadeghilaridjani, Maryam; Ghodki, Nandita; Gross, Oliver; Adam, Bastian; Ruschel, Lucas et al.
Object Type: Article
System: The UNT Digital Library
Design approaches for printability-performance synergy in Al alloys for laser-powder bed additive manufacturing (open access)

Design approaches for printability-performance synergy in Al alloys for laser-powder bed additive manufacturing

This article highlights that design of Al alloys for laser-powder bed fusion (L-PBF) can lead to fundamental change in the microstructure evolution, proposed alloy design strategies lead to synergy between and printability and performance, hierarchical and heterogeneous microstructures have potential to overcome the strength-ductility tradeoff, and alloy design incorporating the specific attributes of an AM technology is crucial to maximizing its potential.
Date: March 10, 2021
Creator: Mishra, Rajiv & Thapliyal, Saket
Object Type: Article
System: The UNT Digital Library