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292 Matching Results
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Thermo-mechanical response of single-phase face-centered-cubic AlxCoCrFeNi high-entropy alloy microcrystals
Article describes the response of [100]-oriented single-crystal face-centered-cubic Al0.1CoCrFeNi and Al0.3CoCrFeNi high-entropy alloy (HEA) microcrystals tested from 293 to 573 K by means of in situ micro-compression.
Date:
March 13, 2018
Creator:
Jiao, Quan; Sim, Gi-Dong; Komarasamy, Mageshwari; Mishra, Rajiv; Liaw, Peter K. & El-Awady, Jaafar A.
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
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
Hierarchical features infused heterogeneous grain structure for extraordinary strength-ductility synergy
Article describes experiment in which a synergistic balance of strength and ductility was achieved in a prototypical fcc-based Al0.3CoCrFeNi complex concentrated alloy by incorporating hierarchical microstructural features into heterogeneous grain structure.
Date:
October 27, 2018
Creator:
Shukla, Shivakant; Choudhuri, Deep; Wang, Tianhao; Liu, Kaimiao; Robert Wheeler; Williams, Sarah 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
Metastability-assisted fatigue behavior in a friction stir processed dual-phase high entropy alloy
This article explores metastability-based high entropy alloy design which can open a new strategic path for designing high strength materials. However, high strength is always coupled with poor damage tolerance under cyclic loading conditions (fatigue). To overcome this drawback, the articles presents grain-refined Fe42Mn28Cr15Co10Si5 exhibiting significantly high fatigue strength as compared with leading transformation induced plasticity steels upon friction stir processing.
Date:
July 7, 2018
Creator:
Liu, K; Nene, S. S.; Frank, M.; Sinha, S. & Mishra, R. S.
Object Type:
Article
System:
The UNT Digital Library
Tribologically induced nanolaminate in a cold-sprayed WC-reinforced Cu matrix composite: a key to high wear resistance
Article describes an experiment where a self-organized 2D nanolaminate with an average lamella thickness of ~22 nm was formed in the subsurface of a cold-sprayed WC-reinforced metal matrix composite (MMC) Cu-MoS2-WC during oscillatory sliding, resulting in more stable friction and improved wear resistance.
Date:
November 15, 2019
Creator:
Zhang, Yinyin; Choudhuri, Deep; Scharf, Thomas W.; Descartes, Sylvie & Chromik, Richard R.
Object Type:
Article
System:
The UNT Digital Library
Laser surface engineering of B4C/Fe nano composite coating on low carbon steel: Experimental coupled with computational approach
Article describes a study where laser surface engineering was successfully used to engineer a nano carbide composite coating on a low carbon steel substrate.
Date:
February 19, 2020
Creator:
Salloom, Riyadh; Joshi, Sameehan; Dahotre, Narendra B. & Srinivasan, S. G.
Object Type:
Article
System:
The UNT Digital Library
Stabilized anode-electrolyte interfaces via Cs4Pb(Cl/Br/I)6 perovskite crystal based glass-ceramics for fast and long cycle-life lithium ion batteries
Article is a study that designs a smart anode/liquid electrolyte interface for high energy density batteries that present large specific capacity retentions.
Date:
June 17, 2022
Creator:
Xie, Wenqing; Cao, Jianghang; Li, Panpan; Fan, Meiqiang; Xu, Shiqing; Du, Jincheng et al.
Object Type:
Article
System:
The UNT Digital Library
From mechanics to thermodynamics: A relation between the brittleness and the thermal expansivity for polymers
Article provides an equation relating the linear isobaric expansivity to the brittleness B for a number of polymers with a large variety of chemical structures and consequently with a large variety of properties.
Date:
February 19, 2019
Creator:
Brostow, Witold, 1934- & Osmanson, Allison T.
Object Type:
Article
System:
The UNT Digital Library
Microstructurally flexible high entropy alloys: Linkages between alloy design and deformation behavior
Article presents research where metastability based alloy design led to flexible microstructural evolution in which either thermodynamically stable γ-phase or unstable ε-phase was obtained at room temperature.
Date:
July 19, 2020
Creator:
Nene, Saurabh S.; Frank, M.; Agrawal, P.; Sinha, Subhasis; Liu, Kaimiao; Shukla, Shivakant et al.
Object Type:
Article
System:
The UNT Digital Library
Role of Cu addition in enhancing strength-ductility synergy in transforming high entropy alloy
Article investigates the strength-ductility synergy of high-entropy alloys (HEAs).
Date:
March 1, 2022
Creator:
Agrawal, Priyanka; Gupta, Sanya; Shukla, Shivakant; Nene, Saurabh S.; Thapliyal, Saket; Toll, Michael P. et al.
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
Spatial Decomposition of a Broadband Pulse Caused by Strong Frequency Dispersion of Sound in Acoustic Metamaterial Superlattice
This article uses an acoustic metamaterial superlattice for the spatial and spectral deconvolution of a broadband acoustic pulse into narrowband signals with different central frequencies.
Date:
December 30, 2020
Creator:
Jin, Yuqi; Zubov, Yurii; Yang, Teng; Choi, Tae-Youl; Krokhin, Arkadii A. & Neogi, Arup
Object Type:
Article
System:
The UNT Digital Library
Effects of UV Stabilizers on Polypropylene Outdoors
This article looks at hindered amine light stabilizers (HALSs) and nano ZnO were used to stabilize polypropylene (PP) film-based formulations that were exposed to ultraviolet (UV) light for different lengths of time, simulating the harsh outdoor weather of Dallas, Texas, USA. UV doses applied in our laboratory are 121 times larger than the UV dose provided by the sunlight in Texas. 15 different compositions were studied. The combination of HALSs and nano-ZnO stabilizers makes the PP films harder—which is important for some PP applications, such as toy manufacturing.
Date:
April 1, 2020
Creator:
Brostow, Witold, 1934-; Lu, Xinyao; Gencel, Osman & Osmanson, Allison T.
Object Type:
Article
System:
The UNT Digital Library
Unveiling the interplay of deformation mechanisms in a metastable high entropy alloy with tuned composition using synchrotron X-ray diffraction
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.
Object Type:
Article
System:
The UNT Digital Library
Recent Development of Two-Dimensional Transition Metal Dichalcogenides and Their Applications
This article reviews the recent progress in 2D materials beyond graphene and includes mainly transition metal dichalcogenides.
Date:
January 9, 2017
Creator:
Choi, Wonbong; Choudhary, Nitin; Han, Gang Hee; Park, Juhong; Akinwande, Deji & Lee, Young Hee
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
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
Opportunities and Issues in the Application of Titanium Alloys for Aerospace Components
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 7, 2020
Creator:
Williams, James C. & Boyer, Rodney R.
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
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
Effect of Laser Shock Peening Parameters on Residual Stresses and Corrosion Fatigue of AA5083
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.
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