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Surface Nanostructures Enhanced Biocompatibility and Osteoinductivity of laser-Additively Manufactured CoCrMo Alloys

Description: Article describes how cobalt–chromium–molybdenum (CoCrMo) alloys are widely used in orthopedic implants due to their excellent corrosion and wear resistance and superior mechanical properties. In this study, the authors prepared CoCrMo alloys with surface nanostructures of various aspect ratios (AR) using laser-directed energy deposition (L-DED) and biocorrosion.
Date: December 6, 2023
Creator: Man, Kun; Mazumder, Sangram; Dahotre, Narendra B. & Yang, Yong
Item Type: Refine your search to only Article
Partner: UNT College of Engineering
open access

Planar shock compression of spark plasma sintered B4C and B4C-TiB2 ceramic composites

Description: Article describes how blending of ceramic constituent phases enhances sinterability and performance in high strength ceramics. The authors describe how a near fully dense blended boron carbide (B4C)-titanium diboride (TiB2) composite produced through spark plasma sintering (SPS) is probed to understand the mechanical performance under dynamic uniaxial strain, or shock compression.
Date: January 24, 2024
Creator: Turnage, Scott A.; Clayton, John D.; Rodriguez, Jonathan; Scharf, Thomas W. & Williams, Cyril L.
Item Type: Refine your search to only Article
Partner: UNT College of Engineering
open access

International Association of Panoramic Photographers e-Monitor, Volume 2, Number 2, October 2011

Description: Monthly newsletter of the International Association of Panoramic Photographers discussing news and events, organizational updates, and articles on topics of interest to members, along with photographs and advertising.
Date: October 2011
Creator: International Association of Panoramic Photographers
Item Type: Refine your search to only Journal/Magazine/Newsletter
Partner: UNT Libraries

Additive Friction Stir Deposition of Al-Ce Alloys for Improved Strength and Ductility

Description: Additive friction stir deposition (AFSD) is a solid-state additive manufacturing (AM) technique that breaks down large constituent particles into more refined and uniformly disturbed microstructure. AFSD was used to print Al-Ce alloys. Current commercial Al-alloys upon elevated temperatures go through dissolution and coarsening of strengthening precipitates causing mechanical degradation of these alloys. Al-Ce alloys do not have this issue as cerium's low solubility restricts dissolution into t… more
This item is restricted from view until January 1, 2029.
Date: December 2023
Creator: Davis, Devin Fredric
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

Thermodynamics, Kinetics and Mechanical Behavior of Model Metallic Glasses

Description: The thermophysical properties and deformation behavior of a systematic series of model metallic glasses was investigated. For Zr-based metallic glasses with all metallic constituents, the activation energy of glass transition was determined to be in the range of 74-173 kJ/mol while the activation energy of crystallization was in the range of 155-170 kJ/mol. The reduced glass transition temperature was roughly the same for all the alloys (~ 0.6) while the supercooled liquid region was in the ran… more
This item is restricted from view until January 1, 2026.
Date: December 2023
Creator: Akhtar, Mst Alpona
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

Development and Characterization of Compliant Bioelectronic Devices for Gastrointestinal Stimulation

Description: In this research, we aimed to develop thin-film devices on a polymer substrate and an alternative 3D-printed device with macroelectrodes for treating gastrointestinal (GI) conditions. First, the fabrication of thin-film devices was demonstrated on a softening thiol-ene/acrylate polymer utilizing titanium nitride (TiN) as electrode material. This was achieved by utilizing cleanroom fabrication processes such as photolithography, wet and dry etching. The functionality of the device was shown by p… more
This item is restricted from view until January 1, 2026.
Date: December 2023
Creator: Chitrakar, Chandani
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries

Role of Additive Manufacturing in Restructuring Supply Chains

Description: Additive manufacturing (AM), commonly known as 3D printing, has been attracting attention from practitioners as well as academicians with its continuous evolution from being used primarily for prototyping to now end-product production. Despite this technology's current and future potential, few studies indicate that AM has not been extensively used across all industries. This dissertation addresses knowledge gaps by providing theoretical and empirical support for adopting AM through three essay… more
This item is restricted from view until January 1, 2029.
Date: December 2023
Creator: Patil, Himali Kiran
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Nonlinear frequency analysis of porous Bi directional functionally graded beams utilizing reddy shear deformation theory

Description: Article describes how the nonlinear frequency response of bi-directional functionally graded porous beams experienced range of various end conditions is investigated in this work. The findings are presented to aid in future research into the effects of various gradient indices, vibration amplitude ratios, porosity coefficients, shear and elastic substrate parameters, boundary conditions, and vibration frequencies on the bi-directional functionally graded beams.
Date: September 3, 2023
Creator: Forghani, Mohammadamin; Bazarganlari, Yousef; Zahedinejad, Parham & Kazemzadeh-Parsi, Mohammad Javad
Item Type: Refine your search to only Article
Partner: UNT College of Science
open access

Oral History Interview with John W. Wisecup, July 28, 1987

Description: Interview with John Wisecup, a Marine Corps veteran and a survivor of the sinking of the USS Houston, concerning his experiences as a prisoner-of-war of the Japanese during World War II. Wisecup talks about the sinking of the Houston (1942), his capture and imprisonment at Serang, Java, Bicycle Camp in Batavia (1942), Changi Prison Camp in Singapore (1942), building the Burma-Thailand Death Railway (1942-1944), Kanchanaburi, Thailand (1944), Changi Jail (1944-1945), and his liberation.
Date: July 28, 1987
Creator: Marcello, Ronald E. & Wisecup, John W.
Item Type: Refine your search to only Book
Partner: UNT Oral History Program
open access

Progress Report No. XXIII

Description: "Progress is briefly reported on studies in dielectric spectroscopy, magnetic resonance, high-field-strength research, ferroelectrics and ferromagnetics, semiconductors, single crystals, and ceramics."
Date: unknown
Creator: Laboratory for Insulation Research, Massachusetts Institute of Technology
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Radiation Damage to Vacuum Chamber Walls

Description: "The problem of radiation derange to the walls of two types of vacuum chamber for the 6 Bev Cambridge Electron Accelerator was studied. Radiation damage may arise from the synchrotron radiation and from electrons which are not accepted at injection. The synchrotron radiation produces a large amount of secondary x radiation which is isotropic, and therefore complicates the arrangement of internal shielding. The 20 Mev electrons from the lines cannot be attenuated by shielding. It is concluded th… more
Date: September 10, 1957
Creator: Stearns, Brenton
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

[Polka Dotty]

Description: Document from the Denton Chamber of Commerce Collection spanning various topics, providing insights into local, national, and global events, issues, and developments.
Date: 2000
Creator: Denton Chamber of Commerce
Item Type: Refine your search to only Text
Partner: UNT Libraries Special Collections
open access

[Navigating Policy: Insights from the Hotel PAC Report]

Description: A comprehensive compilation from the Denton Chamber of Commerce Collection documenting the legislative session report and insights from the Hotel PAC (Political Action Committee) report. This detailed document offers a thorough analysis of legislative activities impacting the hospitality industry, providing valuable insights into policy advocacy and its implications for the hotel sector.
Date: 2003/2004
Creator: Denton Chamber of Commerce
Item Type: Refine your search to only Text
Partner: UNT Libraries Special Collections
open access

[Park Plans Picked]

Description: The comprehensive documentation of the Civic Center Park Master Plan, featuring a diverse collection of articles, public meeting comments, memoranda finalizing plans, and evaluations. This compilation provides a detailed journey through the development and evaluation of the Denton Civic Center, including floorplans, issues, and insightful discussions from public meetings. Additionally, discover historical perspectives through old news articles about information centers.
Date: 1990/1997
Creator: Denton Chamber of Commerce
Item Type: Refine your search to only Text
Partner: UNT Libraries Special Collections
open access

Quantitative estimation of closed cell porosity in low density ceramic composites using X-ray microtomography

Description: 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.
Item Type: Refine your search to only Article
Partner: UNT College of Engineering
open access

Predicting initial dissolution rates using structural featuresfrom molecular dynamics simulations

Description: Article states that predicting the chemical durability of glass materials is important for various applications from daily life such as cell phone screens and kitchenware to advanced technologies such as nuclear waste disposal and biomedicine. In this work, we explored the prediction of the initial glass dissolution rates using structural features from molecular dynamics (MD) simulations for a series of glass compositions (total 28), including ZrO2- and V2O5-containing boroaluminosilicate, boro… more
Date: October 17, 2022
Creator: Lu, Xiaonan; Deng, Lu; Gin, Stéphane; Parruzot, Benjamin; Reiser, Joelle T.; Ryan, Joseph V. et al.
Item Type: Refine your search to only Article
Partner: UNT College of Engineering
open access

1989-90 Black Business Directory [Austin, Texas]

Description: Directory listing contact information for businesses, contractors, and vendors in Austin that are Black owned and managed, along with information about the city and planning conventions, with local advertising. Information is categorized by the type of service and includes a name, address, and phone number, along with other information about the business.
Date: 1988
Creator: Capital City Chamber of Commerce
Item Type: Refine your search to only Book
Partner: UNT Libraries Special Collections

Small Scale Fracture Mechanisms in Alloys with Varying Microstructural Complexity

Description: Small-scale fracture behavior of four model alloy systems were investigated in the order of increasing microstructural complexity, namely: (i) a Ni-based Bulk Metallic Glass (Ni-BMG) with an isotropic amorphous microstructure; (ii) a single-phase high entropy alloy, HfTaTiVZr, with body centered cubic (BCC) microstructure; (iii) a dual-phase high entropy alloy, AlCoCrFeNi2.1, with eutectic FCC (L12) -BCC (B2) microstructure; and (iv) a Medium-Mn steel with hierarchical microstructure. The micro… more
This item is restricted from view until August 1, 2025.
Date: July 2023
Creator: Jha, Shristy
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
open access

Tribocatalytically-Active Coatings for Enhanced Tribological Performance and Carbon-Based Tribofilm Formation

Description: In this study, we investigate the fundamental mechanisms defining the approach for addressing tribological challenges in mechanical systems via the use of the tribocatalytically active coating. The coating is designed using an electrodeposition process and consists of a hard amorphous cobalt-phosphorous matrix with the incorporation of tribocatalytically-active nickel and copper. Our focus is on understanding the effect of the tribocatalytic elements, Cu vs Ni, on the coating's performance in h… more
Date: July 2023
Creator: Al Sulaimi, Rawan
Item Type: Refine your search to only Thesis or Dissertation
Partner: UNT Libraries
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