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151 Matching Results
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Enabling Multi-scale Modeling by Deciphering Fundamental Mechanisms Underlying Phase Stability, Deformation and Oxidation in Refractory Complex Concentrated Alloys (RCCAs) and Intermetallics
Data management plan for the research project "Enabling Multi-scale Modeling by Deciphering Fundamental Mechanisms Underlying Phase Stability, Deformation and Oxidation in Refractory Complex Concentrated Alloys (RCCAs) and Intermetallics."
Date:
2021-09-15/2025-09-25
Creator:
Banerjee, Rajarshi
Object Type:
Text
System:
The UNT Digital Library
Engineering the Uniform Lying Helical Structure in Chiral Nematic Liquid Crystals: From Morphology Transition to Dimension Control
This article varies the surface anchoring strength and achieves a uniform lying helical structure with long-range order as thermodynamically stable state without any external support in Chiral nematic liquid crystals (CLCs).
Date:
April 12, 2021
Creator:
Jia, Zhixuan; Pawale, Tejal; Guerrero-García, Guillermo I.; Hashemi, Sid; Martínez-González, José A. & Li, Xiao
Object Type:
Article
System:
The UNT Digital Library
Engineering transformation pathways in an Al0.3CoFeNi complex concentrated alloy leads to excellent strength–ductility combination
Article reports a novel multi-phase microstructure in a HEA/CCA similar to the microstructure observed in dual-phase stainless steel.
Date:
July 2, 2020
Creator:
Dasari, S.; Jagetia, Abhinav; Soni, V.; Gwalani, Bharat; Banerjee, Rajarshi & Gorsse, Stéphane
Object Type:
Article
System:
The UNT Digital Library
Erratum to “From mechanics to thermodynamics: A relation between the brittleness and the thermal expansivity for polymers”
Erratum to “From mechanics to thermodynamics: A relation between the brittleness and the thermal expansivity for polymers” that provides the Declaration of Interest statement that was missed to be included in the original publication.
Date:
May 26, 2021
Creator:
Brostow, Witold, 1934- & Osmanson, Allison T.
Object Type:
Article
System:
The UNT Digital Library
Evolution of microstructure and mechanical properties in gas tungsten arc welded dual-phase Fe50Mn30Co10Cr10 high entropy alloy
Article describes how in recent years, high entropy alloys (HEAs) have been shown to be promising alternatives to common engineering alloys, depending on their composition and thermomechanical processing. In the present work, Gas Tungsten Arc Welding (GTAW) was used to achieve defect-free joints based on a novel transformation induced plasticity (TRIP) Fe50Mn30Co10Cr10 HEA.
Date:
June 3, 2023
Creator:
Lopes, J. G.; Agrawal, Priyanka; Shen, Jiajia; Schell, N.; Mishra, R. S. & Oliveira, J. P.
Object Type:
Article
System:
The UNT Digital Library
Ex situ and in situ Investigation of the Thermomechanical Behavior of Shape Morphing Materials from Room Temperature to Ultra-High Temperatures
Data management plan for the grant, "Ex situ and in situ Investigation of the Thermomechanical Behavior of Shape Morphing Materials from Room Temperature to Ultra-High Temperatures."
Date:
2023-09-15/2024-09-14
Creator:
Young, Marcus L.
Object Type:
Text
System:
The UNT Digital Library
Fabrication and characterization of inkjet-printed 2D perovskite optoelectronic devices
Article presents the large scale synthesis of solution-processed 2D (CH₃(CH₂)₃NH₃)₂(CH₃NH₃)ₙ − 1PbₙI₃ₙ + 1 (n = 2, 3, and 4) perovskites, a family of layered compounds with composition-tunable bandgap, where inkjet printing was used to fabricate heterostructure, flexible photodetector devices. The flexible, inkjet-printed perovskite 2D heterostructures have significant potential for optoelectronic devices, which can enable broad possibilities with compositional tunability and versatility of the organohalide perovskites.
Date:
August 24, 2020
Creator:
Min, Misook; Hossain, Ridwan F.; Ma, Liang-Chieh & Kaul, Anupama
Object Type:
Article
System:
The UNT Digital Library
First principles computation of composition dependent elastic constants of omega in titanium alloys: implications on mechanical behavior
Article on the poor mechanical properties of Ti alloys. The study shows that the elastic properties of the ω-phase can be systematically varied as a function of its composition to enhance both the ductility and strength of the Ti-alloy. Furthermore, that ω precipitates are not intrinsically embrittling and detrimental and that Ti-alloys can be created with both good ductility and strength by tailoring ω precipitates' composition instead of completely eliminating them.
Date:
June 7, 2021
Creator:
Salloom, Riyadh; Mantri, Srinivas Aditya; Banerjee, Rajarshi & Srinivasan, S. G.
Object Type:
Article
System:
The UNT Digital Library
Formation and Photoinduced Electron Transfer in Porphyrin- and Phthalocyanine-Bearing N-Doped Graphene Hybrids Synthesized by Click Chemistry
Article presents research where N-doped graphene (NG) has been covalently decorated with porphyrin and phthalocyanine moieties using click chemistry. Evidence of charge separation in these hybrids is secured from femtosecond transient absorption studies, acting NG as electron acceptor.
Date:
March 7, 2022
Creator:
Arellano, Luis M.; Gobeze, Habtom B.; Barrejón, Myriam; Parejo, Concepción; Álvarez, Julio C.; Gómez-Escalonilla, María J. et al.
Object Type:
Article
System:
The UNT Digital Library
Friction stir-based additive manufacturing
This article is a review of friction stir additive manufacturing (FSAM) and additive friction stir deposition (AFSD) and provides a systems approach framework and a conceptual process model to guide researchers.
Date:
January 18, 2022
Creator:
Mishra, Rajiv; Haridas, Ravi Sankar & Agrawal, Priyanshi
Object Type:
Article
System:
The UNT Digital Library
Friction stir welding of SS 316 LN and Nitronic 50 jacket sections for application in superconducting fusion magnet systems
Article explores the possibility of using friction stir welding (FSW) to join jacket web sections of two nitrogen-containing stainless steels for housing internally cooled superconducting cables which are utilized to generate magnetic fields in tokamak type fusion reactor systems. It has been shown that the FSW fabricated SS 316 LN jackets possessed the required strength and magnetic properties critical to this application.
Date:
July 16, 2022
Creator:
Gaddam, Supreeth; Haridas, Ravi Sankar; Sanabria, Charlie; Tammana, Deepthi; Berman, Diana & Mishra, R. S.
Object Type:
Article
System:
The UNT Digital Library
Gas tungsten arc welding of as-cast AlCoCrFeNi2.1 eutectic high entropy alloy
Article states that the AlCoCrFeNi2.1 eutectic high entropy alloy is of great interest due to its unique mechanical properties combining both high strength and plasticity. This work establishes the potential for using arc-based welding for joining eutectic high entropy alloys.
Date:
October 5, 2022
Creator:
Shen, Jiajia; Agrawal, Priyanka; Rodrigues, Tiago A.; Lopes, J.G.; Schell, N.; Zeng, Zhi et al.
Object Type:
Article
System:
The UNT Digital Library
Growth Mechanisms of Nano-to Micro-Sized Lead Sulfate Particles
This article aims to determine the nucleation and growth mechanisms of PbSO4 nanoparticles in various solutions to potentially reduce or control the buildup of PbSO4 on battery electrodes over time.
Date:
April 14, 2021
Creator:
Wall, Michael T.; Smith, Jesse D.; Carl, Matthew; Young, Marcus L.; Hesterberg, Travis & Ellis, Tim
Object Type:
Article
System:
The UNT Digital Library
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
High entropy alloys – Tunability of deformation mechanisms through integration of compositional and microstructural domains
This article is a review that categorizes the compositional and microstructural approaches that exhibit potential for a combination of shear induced phase transformation and twinning, thereby expanding beyond the slip based mechanisms.
Date:
March 13, 2021
Creator:
Mishra, Rajiv; Haridas, Ravi Sankar & Agrawal, Priyanshi
Object Type:
Article
System:
The UNT Digital Library
High-Temperature Nano-Indentation Creep Behavior of Multi-Principal Element Alloys under Static and Dynamic Loads
Paper describes the results of studies testing the creep resistance of two multi-principal element alloys, CoCrNi and CoCrFeMnNi.
Date:
February 13, 2020
Creator:
Sadeghilaridjani, Maryam & Mukherjee, Sundeep
Object Type:
Article
System:
The UNT Digital Library
High-Temperature Nano-Indentation Creep of Reduced Activity High Entropy Alloys Based on 4-5-6 Elemental Palette
In this article the time-dependent plastic deformation behavior of two refractory high entropy alloys was investigated, namely HfTaTiVZr and TaTiVWZr. These alloys are based on reduced activity metals from the 4-5-6 elemental palette that would allow easy post-service recycling after use in nuclear reactors. The creep behavior was investigated using nano-indentation over the temperature range of 298 K to 573 K under static and dynamic loads up to 5 N.
Date:
February 18, 2020
Creator:
Sadeghilaridjani, Maryam; Muskeri, Saideep; Pole, Mayur & Mukherjee, Sundeep
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
Highly complex magnetic behavior resulting from hierarchical phase separation in AlCo(Cr)FeNi high-entropy alloys
Article presents for the first time the influence of a hierarchically decomposed B2 + A2 structure in an AlCo0.5Cr0.5FeNi HEA on the formation of magnetic vortex states within individual A2 (disordered BCC) precipitates, which are distributed in an ordered B2 matrix that is weakly ferromagnetic.
Date:
March 10, 2022
Creator:
Lan, Qianqian; Kovács, András; Caron, Jan; Du, Hongchu; Song, Dongsheng; Dasari, Sriswaroop et al.
Object Type:
Article
System:
The UNT Digital Library
Highly efficient and selective electrocatalytic hydrogen peroxide production on Co-O-C active centers on graphene oxide
Article demonstrating that single cobalt atoms anchored on oxygen functionalized graphene oxide form Co-O-C@GO active centres (abbreviated as Co₁@GO for simplicity) act as an efficient and durable electrocatalyst for H₂O₂ production.
Date:
March 28, 2022
Creator:
Zhang, Bin-Wei; Zheng, Tao; Wang, Yun-Xiao; Du, Yi; Chu, Sheng-Qi; Xia, Zhenhai et al.
Object Type:
Article
System:
The UNT Digital Library
Highly Pseudocapacitive Storage Design Principles of Heteroatom-Doped Graphene anode in Calcium-Ion Batteries
Article describes how pseudocapacitive storage of multivalent ions, especially Ca2+, in heteroatom-doped carbon nanomaterials is promising to achieve both high energy and power densities, but there is the lack of pseudocapacitive theories that enable rational design of the materials for calcium-ion batteries.
Date:
August 22, 2023
Creator:
Gao, Yong; Li, Zhenglong; Weng, Pan; Cui, Wengang; Wang, Xiaowei; Yang, Yaxiong et al.
Object Type:
Article
System:
The UNT Digital Library
Hole-punching for enhancing electrocatalytic activities of 2D graphene electrodes: Less is more
Article develops 2D carbon electrocatalysts based on graphene with and without punched holes and/or N-doping and performs a comprehensive combined experimental and theoretical study on the edge and surface electrocatalytic activities of single-layer 2D graphene sheets.
Date:
August 17, 2020
Creator:
Xia, Zhenhai; Gao, Yunxiang; Zhang, Lipeng; Li, Chang Ming & Dai, Liming
Object Type:
Article
System:
The UNT Digital Library
Hydrogen bonding interactions of H2O and SiOH on a boroaluminosilicate glass corroded in aqueous solution
This article simulates hydrous species (H2O and Si-OH) on nano-porous alteration layers (gels) formed on a boroaluminosilicate glass called International Simple Glass corroded in aqueous solutions at pH 7 and pH 9, and initially saturated with soluble silicon-containing species were analyzed using linear and non-linear vibrational spectroscopy in combination with molecular dynamics simulations. The simulation and experimental results obtained in this study indicate that the water mobility in the gel formed at pH 9 could be slower than that in the gel formed at pH 7, and as a result, the leaching rate at pH 9 is slower than that at pH 7.
Date:
January 7, 2020
Creator:
Ngo, Dien; Liu, Hongshen; Chen, Zhe; Huseyin, Kaya; Zimudzi, Tawanda J.; Gin, Stéphane et al.
Object Type:
Article
System:
The UNT Digital Library
Ideal plasticity and shape memory of nanolamellar high-entropy alloys
Article describes how understanding the relationship among elemental compositions, nanolamellar microstructures, and mechanical properties enables the rational design of high-entropy alloys (HEAs). In this article the authors construct nanolamellar Alx-CoCuFeNi HEAs with alternating high- and low-Al concentration layers and explore their mechanical properties using a combination of molecular dynamic simulation and density functional theory calculation.
Date:
October 13, 2023
Creator:
Chen, Shuai; Liu, Ping; Pei, Qingxiang; Yu, Zhi Gen; Aitken, Zachary H.; Li, Wanghui et al.
Object Type:
Article
System:
The UNT Digital Library