UNT Scholarly Works - 857 Matching Results

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Unveiling the interplay of deformation mechanisms in a metastable high entropy alloy with tuned composition using synchrotron X-ray diffraction

Description: Article investigating the mechanical behavior of a metastable high entropy alloy (HEA) with composition Fe39-Mn20-Co20-Cr15-Si5-1Al (at%).
Date: January 15, 2022
Creator: Polatidis, E.; Shukla, S.; Čapek, J.; Van Petegem, S.; Casati, N. & Mishra, R. S.
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Partner: UNT College of Engineering
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Application of a Thermoplastic Polyurethane/Polylactic Acid Composite Filament for 3d-Printed Personalized Orthosis

Description: Article exploring a suitable material for designing and fabricating personalized, cost-effective and bio-degradable orthoses. A finger orthosis was chosen as an example to explore a suitable material, personalized design method, and fabrication with a fuse-deposition-modeling (FDM) open-source 3D printer. Thermoplastic polyurethane (TPU)/polylactic acid (PLA) composite filaments were explored for 3D printing.
Date: February 2019
Creator: Tao, Yubo; Shao, Jingjiao; Li, Peng & Shi, Sheldon
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Partner: UNT College of Engineering
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Permeability Study of Austenitic Stainless Steel Surfaces Produced by Selective Laser Melting

Description: In this article, permeability properties and surface roughness of stainless steel (SS316L) surfaces were evaluated through experimentation with three different laser scanning patterns (chessboard, meander, and stripe), and different sloping angles between the fabricated surface and the laser beam incident on the process. Results showed that for each scanning pattern, the roughness decreased as the sloping angle increased consistently in all experimental trials.
Date: November 24, 2017
Creator: Segura-Cardenas, Emmanuel; Ramírez-Cedillo, Erick; Sandoval-Robles, Jesús Alejandro; Ruiz-Huerta, Leopoldo; Caballero-Ruiz, Alberto & Siller Carrillo, Héctor Rafael
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Partner: UNT College of Engineering
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Opportunities and Issues in the Application of Titanium Alloys for Aerospace Components

Description: This article describes recent developments, issues, and opportunities associated with the production and use of Ti and its alloys in aerospace components. Included are new Ti alloys, new applications of Ti alloys, and the current status of several manufacturing processes including a discussion of the promise and current reality of additive manufacturing as a potentially revolutionary method of producing Ti alloy components.
Date: May 27, 2020
Creator: Williams, James C. & Boyer, Rodney R.
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Partner: UNT College of Engineering
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Corrosion Fatigue Characteristics of 316L Stainless Steel Fabricated by Laser Powder Bed Fusion

Description: 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
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Partner: UNT College of Engineering
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Complex Concentrated Alloys (CCAs)—Current Understanding and Future Opportunities

Description: 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 15, 2020
Creator: Mukherjee, Sundeep
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Partner: UNT College of Engineering
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Effect of Laser Shock Peening Parameters on Residual Stresses and Corrosion Fatigue of AA5083

Description: Article examining Aluminium alloy 5083 subjected to Laser Shock Peening both with (LSP) and without protective coating (LPwC) at multiple pulse densities. A second LPwC treatment was conducted fully submersed under water, in addition to the standard laminar water flow condition. Results show that compressive residual stresses were generated in all cases, although their character varied depending on the peening strategy and method of confinement.
Date: October 14, 2021
Creator: Kaufman, Jan; Špirit, Zbyněk; Vasudevan, Vijay K.; Steiner, Matthew Alan; Mannava, Seetha Ramaiah; Brajer, Jan et al.
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Partner: UNT College of Engineering
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Corrosion Behavior of Selectively Laser Melted CoCrFeMnNi High Entropy Alloy

Description: The article focuses on a study that widens the toolbox to manufacture HEAs with exceptional corrosion resistance by additive manufacturing. CoCrFeMnNi high entropy alloys (HEAs) were additively manufactured (AM) by laser powder bed fusion and their corrosion resistance in 3.5 wt% NaCl solution was studied by potentiodynamic polarization and electrochemical impedance spectroscopy tests. A systematic study of AM CoCrFeMnNi HEAs’ porosity under a wide range of laser processing parameters was condu… more
Date: September 23, 2019
Creator: Ren, Jie; Mahajan, Chaitanya; Liu, Liang; Follette, David; Chen, Wen & Mukherjee, Sundeep
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Partner: UNT College of Engineering
open access

Point-by-Point Compositional Analysis for Atom Probe Tomography

Description: This article demonstrates a new alternate approach to data processing for analyses that traditionally employed grid-based counting methods, as demonstrated using an atom-probe analysis of a Ni-based super-alloy.
Date: March 5, 2014
Creator: Stephenson, Leigh T.; Ceguerra, Anna V.; Li, Tong; Rojhirunsakool, Tanaporn; Nag, Soumya; Banerjee, Rajarshi et al.
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Partner: UNT College of Engineering
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Polymorphic nature of {332} 〈 113 〉 twinning mode in BCC alloys

Description: Article using ab initio calculations and experimental observations to show that {332}<113> twinning can be described as a polymorphic solid-state transformation able to produce either twinned or martensitic structures with a unified transformation path.
Date: March 17, 2022
Creator: Kwasniak, P.; Sun, F.; Mantri, Srinivas Aditya; Banerjee, Rajarshi & Prima, Frederic
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Partner: UNT College of Engineering
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Effect of Microstructure on the Deformation Mechanism of Friction Stir-Processed A₁₀.₁CoCrFeNi High Entropy Alloy

Description: This article reports grain refinement using friction stir processing and a detailed study on the microstructural evolution at various locations in the processed region using scanning electron microscopy, in addition to the effect of grain refinement on the tensile properties and the underlying deformation mechanisms in both coarse-grained and fine-grained materials.
Date: September 15, 2014
Creator: Komarasamy, Mageshwari; Kumar, N.; Tang, Z.; Mishra, Rajiv & Liaw, P.K.
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Partner: UNT College of Engineering
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Strengthening strategy for a ductile metastable β-titanium alloy using low-temperature aging

Description: This article demonstrates that low-temperature aging (LTA) treatments for short time periods can in fact enhance the yield strength while preserving substantial elongation-to-failure in ω containing β titanium alloys.
Date: July 13, 2017
Creator: Sun, F.; Zhang, J.Y.; Vermaut, P.; Choudhuri, Deep; Alam, Talukder; Mantri, Srinivas Aditya et al.
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Partner: UNT College of Engineering
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Flexible and Stretchable Bioelectronics

Description: Article reviewing several several flexible and stretchable materials used as substrate, stretchable electrical conduits and encapsulation, design modifications for stretchability, fabrication techniques, methods of signal transmission and monitoring, and the power sources for these stretchable bioelectronics. Ultimately, these bioelectronic devices can be used for wide range of applications from skin bioelectronics and biosensing devices, to neural implants for diagnostic or therapeutic purpose… more
Date: February 23, 2022
Creator: Chitrakar, Chandani; Hedrick, Eric; Adegoke, Lauren & Ecker, Melanie
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Partner: UNT College of Engineering
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Preparation and Characterization of Injectable Brushite Filled-Poly (Methyl Methacrylate) Bone Cement

Description: This article discusses the design of an alternative cement system that can better accommodate calcium-phosphate additives while preserving cement rheological properties and performance.
Date: September 19, 2014
Creator: Rodriguez, Lucas C.; Chari, Jonathan; Aghyarian, Shant; Gindri, Izabelle M.; Kosmopoulos, Victor & Rodrigues, Danieli C.
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Partner: UNT College of Engineering
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Study of PVD AlCrN Coating for Reducing Carbide Cutting Tool Deterioration in the Machining of Titanium Alloys

Description: This article studies a thin nanocomposite film made out of AlCrN (aluminum-chromium-nitrite) to show experimental work in the deposition process and its characterization.
Date: May 24, 2013
Creator: Cadena, Natalia L.; Cue-Sampedro, Rodrigo; Siller Carrillo, Héctor Rafael; Arizmendi-Morquecho, Ana M.; Rivera-Solorio, Carlos I. & Di-Nardo, Santiago
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Partner: UNT College of Engineering
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