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266 Matching Results
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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
Carrier photodynamics in 2D perovskites with solution-processed silver and graphene contacts for bendable optoelectronics
Article reporting on the inkjet printed, direct contact study of solution-processed, 2D perovskite-based photodetectors (PDs) formed on flexible PI substrates. Silver (Ag) and graphene (Gr) inks have been engineered to serve as efficient electrical contacts for solution-processed two-dimensional (2D) organo-halide (CH3(CH2)3NH3)2(CH3NH3)n−1PbnI3n+1 (n = 4) layered perovskites, where all inkjet-printed heterostructure PDs were fabricated on polyimide (PI) substrates.
Date:
March 25, 2021
Creator:
Hossain, Ridwan F.; Min, Misook; Ma, Liang-Chieh; Sakri, Shambhavi R. & Kaul, Anupama
Object Type:
Article
System:
The UNT Digital Library
Centimeter Scale Patterned Growth of Vertically Stacked Few Layer Only 2D MoS₂/WS₂ van der Waals Heterostructure
This article reports the chemical vapor deposition (CVD) growth of large-area (>2 cm²) patterned 2D vdW heterostructures composed of few layer, vertically-stacked molybdenum disulfide and tungsten disulfide.
Date:
May 5, 2016
Creator:
Choudhary, Nitin; Park, Juhong; Hwang, Jun Yeon; Chung, Hee-Suk; Dumas, Kenneth H.; Khondaker, Saiful I. et al.
Object Type:
Article
System:
The UNT Digital Library
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
Co-introduction of precipitate hardening and TRIP in a TWIP high-entropy alloy using friction stir alloying
Article exploring friction stir alloying (FSA) to tune the microstructure and a composition of a TWIP high-entropy alloy by adding Ti, and thus activating site-specific deformation mechanisms that occur concomitantly in a single alloy. This approach presents a novel microstructural architecture to design alloys, an approach that combines and optimizes local compositions such that multiple deformation mechanisms can be activated to enhance engineering properties.
Date:
January 15, 2021
Creator:
Wang, Tianhao; Shukla, Shivakant; Gwalani, Bharat; Sinha, S.; Thapliyal, Saket; Frank, Michael et al.
Object Type:
Article
System:
The UNT Digital Library
Comparing the Knotless Tension Band and the Traditional Stainless Steel Wire Tension Band Fixation for Medial Malleolus Fractures: A Retrospective Clinical Study
Article describes investigation which sought to to retrospectively compare this traditional wire technique to an innovative knotless tension band (KTB) technique in order to decrease costly complications.
Date:
May 12, 2016
Creator:
Downey, Michael W.; Duncan, Kyle; Kosmopoulos, Victor; Motley, Travis A.; Carpenter, Brian B.; Ogunyankin, Fadeke et al.
Object Type:
Article
System:
The UNT Digital Library
Complex Concentrated Alloys (CCAs)—Current Understanding and Future Opportunities
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 11, 2020
Creator:
Mukherjee, Sundeep
Object Type:
Article
System:
The UNT Digital Library
Composites Containing Bamboo With Different Binders
This paper discusses the formation of primary chemical bonds between bamboo surface active groups and the binders.
Date:
March 29, 2018
Creator:
Mukbaniani, Omai; Brostow, Witold, 1934-; Hagg Lobland, Haley E.; Aneli, Jimsher; Tatrishvili, Tamara; Markarashvili, Eliza et al.
Object Type:
Paper
System:
The UNT Digital Library
Composition-dependent apparent activation-energy and sluggish grain-growth in high entropy alloys
Article discusses experimental results which reveal that the apparent activation-energy for grain-growth in an fcc-based AlxCoCrFeNi high entropy alloy (HEA) system increases from 179 to 486 kJ/mol when the Al content increases from x = 0.1 to 0.3.
Date:
April 10, 2019
Creator:
Gwalani, Bharat; Salloom, Riyadh; Alam, Talukder; Valentin, S.G.; Zhou, X.; Thompson, G. et al.
Object Type:
Article
System:
The UNT Digital Library
Compostable, fully biobased foams using PLA and micro cellulose for zero energy buildings
Article examining foams made from polylactic acid (PLA) and micro cellulose fibrils (MCF) to address the need for bio-resourced foams for the building industry.
Date:
October 20, 2020
Creator:
Oluwabunmi, Kayode; D'Souza, Nandika Anne, 1967-; Zhao, Weihuan; Choi, Tae-Youl & Theyson, Thomas
Object Type:
Article
System:
The UNT Digital Library
Computational Assessment of Thermokinetics and Associated Microstructural Evolution in Laser Powder Bed Fusion Manufacturing of Ti6Al4V Alloy
This article develops a three-dimensional thermokinetic model based on the finite element method to correlate with the microstructure evolved in additively manufactured Ti6Al4V alloy.
Date:
May 5, 2020
Creator:
Pantawane, Mangesh V.; Ho, Yee-Hsien; Joshi, Sameehan & Dahotre, Narendra B.
Object Type:
Article
System:
The UNT Digital Library
Controlling the length scale and distribution of the ductile phase in metallic glass composites through friction stir processing
This article demonstrates the refinement and uniform distribution of the crystalline dendritic phase by friction stir processing of titanium based in situ ductile-phase reinforced metallic glass composite.
Date:
June 24, 2014
Creator:
Singh Arora, Harpreet; Mridha, Sanghita; Singh Grewal, Harpeet; Singh, Harpreet; Hofmann, Douglas C. & Mukherjee, Sundeep
Object Type:
Article
System:
The UNT Digital Library
Correlating work hardening with co-activation of stacking fault strengthening and transformation in a high entropy alloy using in-situ neutron diffraction
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 strengthening to work hardening.
Date:
December 17, 2020
Creator:
Frank, M.; Nene, Saurabh S.; Chen, Y.; Gwalani, B.; Kautz, E. J.; Devaraj, A. et al.
Object Type:
Article
System:
The UNT Digital Library
Correlation between bonding, vacancy migration mechanisms, and creep in model binary and ternary hcp-Mg solid solutions
Article compares in-plane (IP) and out-of-plane (OOP) vacancy migration mechanisms in binary Mg–X (Ca, Y, and Gd) and ternary Mg–X (Ca, Y, and Gd)–Zn alloys using density functional theory based first principles computations.
Date:
October 13, 2020
Creator:
Paranjape, Priyanvada; Srinivasan, S. G. & Choudhuri, Deep
Object Type:
Article
System:
The UNT Digital Library
Corrosion Behavior of Selectively Laser Melted CoCrFeMnNi High Entropy Alloy
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 conducted and a processing map was constructed to identify the optimal laser processing window for CoCrFeMnNi HEAs.
Date:
September 23, 2019
Creator:
Ren, Jie; Mahajan, Chaitanya; Liu, Liang; Follette, David; Chen, Wen & Mukherjee, Sundeep
Object Type:
Article
System:
The UNT Digital Library
Corrosion, Erosion andWear Behavior of Complex Concentrated Alloys: A Review
This article presents a comprehensive view on corrosion, erosion, and wear behavior of complex concentrated alloys.
Date:
August 3, 2018
Creator:
Ayyagari, Aditya; Hasannaeimi, Vahid; Singh Grewal, Harpeet; Singh Arora, Harpreet & Mukherjee, Sundeep
Object Type:
Article
System:
The UNT Digital Library
Corrosion Fatigue Characteristics of 316L Stainless Steel Fabricated by Laser Powder Bed Fusion
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
Object Type:
Article
System:
The UNT Digital Library
Corrosion of Al0.1CoCrFeNi High Entropy Alloy in a Molten Eutectic Salt
Article describes study which investigates the hot corrosion behavior of Al0.1CoCrFeNi high entropy alloy (HEA) and Ni-base Alloy 718.
Date:
July 17, 2019
Creator:
Jalbuena, A.A.; Ury, Nicholas; Bae, Jaewan; Faraj, Christopher; Hanan, Kailey; Kasnakjian, Shahan et al.
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
Crystallographic texture dependent bulk anisotropic elastic response of additively manufactured Ti6Al4V
This article identifies a bulk texture effect on elastic anisotropy in laser powder bed fused Ti6Al4V by employing an effective bulk modulus elastography technique coupled with ultrasound shear wave velocity measurement at a frequency of 20 MHz inside the material.
Date:
January 12, 2021
Creator:
Pantawane, Mangesh V.; Yang, Teng; Jin, Yuqi; Joshi, Sameehan; Dasari, Sriswaroop; Sharma, Abhishek et al.
Object Type:
Article
System:
The UNT Digital Library
Crystallographically degenerate B2 precipitation in a plastically deformed fcc-based complex concentrated alloy
Article describes the development of bcc-ordered B2 and fcc phases manifested in three different orientation relationships (ORs) in the same microstructure: Kurdjumov–Sachs, Nishiyama–Wasserman and Pitsch.
Date:
January 22, 2018
Creator:
Choudhuri, Deep; Shukla, Shivakant; Green, Whitley; Gwalani, Bharat; Ageh, Victor; Banerjee, Rajarshi et al.
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
Deformation Induced Hierarchical Twinning Coupled with Omega Transformation in a Metastable β-Ti Alloy
This article looks at hierarchical twinning in metastable body-centered cubic (bcc) β-titanium alloy on tensile deformation.
Date:
August 15, 2015
Creator:
Mantri, Srinivas Aditya; Sun, F.; Choudhuri, Deep; Alam, Talukder; Gwalani, Bharat; Prima, Frederic et al.
Object Type:
Article
System:
The UNT Digital Library
Deformation induced intermediate metastable lattice structures facilitate ordered B2 nucleation in a fcc-based high entropy alloy
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.
Object Type:
Article
System:
The UNT Digital Library