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Growth of pulsed laser deposited few-layer WS2 films

Description: This article performs X-ray photoelectron, Raman, and diffraction studies of few-layered pulsed laser deposited WS₂ films as a function of laser fluence and frequency to understand the impact on structure and properties.
Date: August 13, 2019
Creator: Rathod, Urmilaben P.; Cai, Bimin; Iheomamere, Chukwudi; Nyandoto, Gilbert; Voevodin, Andrey A. & Shepherd, Nigel D.
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Partner: UNT College of Engineering
open access

Thermo-mechanical response of single-phase face-centered-cubic AlxCoCrFeNi high-entropy alloy microcrystals

Description: 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.
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Partner: UNT College of Engineering
open access

Exceptional Friction Mitigation via Subsurface Plastic Shear in Defective Nanocrystalline Ceramics

Description: This article reports that atomic layer deposition {0002}-textured ZnO films, with nanocolumnar grains and defective sub-stoichiometric structure, exhibit nanocrystalline plasticity and exceptionally low sliding friction and wear.
Date: June 13, 2014
Creator: Mohseni, Hamidreza; Mensah, B. A.; Gupta, N.; Srinivasan, S. G. & Scharf, Thomas W.
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Partner: UNT College of Education
open access

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
open access

Correlation between bonding, vacancy migration mechanisms, and creep in model binary and ternary hcp-Mg solid solutions

Description: 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
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Partner: UNT College of Engineering
open access

Development and application of a novel precession electron diffraction technique to quantify and map deformation structures in highly deformed materials—as applied to ultrafine-grained titanium

Description: Article describes precession electron diffraction (PED), which makes possible the very accurate and automated quantitative characterization of technically interesting materials that historically have been difficult to analyze due to their dimensions and/or degree of deformation, including specifically ultrafine-grained metallic structures with high dislocation densities.
Date: August 13, 2014
Creator: Ghamarian, Iman; Liu, Yue; Samimi, Peyman & Collins, Peter
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Partner: UNT College of Engineering
open access

A novel nano-particle strengthened titanium alloy with exceptional specific strength

Description: This article microstructurally tailors an exceptionally high-strength titanium alloy, Ti-6Al-2Sn-4Zr-6Mo (Ti6246) through friction stir processing (FSP) in order to provide enhanced weight savings and improved fuel efficiency. The specific strength attained in one of the conditions is close to 450 MPa m³/mg, which is about 22% to 85% greater than any commercially available metallic material. This novel nano particle strengthened Ti alloy is a potential replacement for many structural alloys, en… more
Date: August 13, 2019
Creator: Dutt, Aniket K.; Gwalani, Bharat; Tungala, Vedavyas; Carl, Matthew; Mishra, Rajiv; Tamirisakandala, Sesh A. et al.
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Partner: UNT College of Engineering
open access

High entropy alloys – Tunability of deformation mechanisms through integration of compositional and microstructural domains

Description: 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
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Partner: UNT College of Engineering
open access

Ideal plasticity and shape memory of nanolamellar high-entropy alloys

Description: 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.
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Partner: UNT College of Engineering
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