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Underlying factors determining grain morphologies in high-strength titanium alloys processed by additive manufacturing
Article describes how, in recent research, additions of solute to Ti and some Ti-based alloys have been employed to produce equiaxed microstructures when processing these materials using additive manufacturing. The present study develops a computational scheme for guiding the selection of such alloying additions, and the minimum amounts required, to effect the columnar to equiaxed microstructural transitions.
Date:
June 6, 2023
Creator:
Nartu, Mohan S. K. K. Y.; Welk, Brian A.; Mantri, Srinivas Aditya; Taylor, Nevin L.; Viswanathan, Gopal B.; Dahotre, Narendra B. et al.
Object Type:
Article
System:
The UNT Digital Library
Experimental and Modeling Study of Water Time Histories during H2S-N2O Combustion in a Shock Tube
Article describes how, in the present study, the water formation was followed by laser absorption with N2O as an oxidant, instead of O2. Three H2S/N2O mixtures diluted in 98% Ar were studied to cover the following range of equivalence ratios: 0.5, 1.0, and 2.0, over a wide range of temperatures (1580–1940 K) around atmospheric pressure.
Date:
June 7, 2023
Creator:
Cooper, Sean P.; Marshall, Paul; Mathieu, Olivier; Pinzón, Laura T.; Mulvihill, Clayton R. & Glarborg, Peter
Object Type:
Article
System:
The UNT Digital Library
Reactions of hydrazine with the amidogen radical and atomic hydrogen
Article describes how the rate coefficient k1 for NH2 + N2H4 was measured to be (5.4 ± 0.4) × 10−14 cm3 molecule−1 s−1 at 296 K. The authors then describe how a combination of experiment and theory leads to a recommended rate coefficient for hydrogen abstraction of k1 = 6.3 × 10−23 T3.44 exp(+289 K/T) cm3 molecule−1 s−1.
Date:
June 7, 2023
Creator:
Gao, Yide; Alecu, I. M.; Hashemi, Hamid; Glarborg, Peter & Marshall, Paul
Object Type:
Article
System:
The UNT Digital Library
Correction: Systematic review on the current state of disaster preparation Simulation Exercise (SimEx)
This is a correction to an article. The original article contained an error in author spelling, which has since been amended.
Date:
June 6, 2023
Creator:
Mahdi, Syed Sarosh; Jafri, Hafsa Abrar; Allana, Raheel; Battineni, Gopi; Khawaja, Mariam; Sakina, Syeda et al.
Object Type:
Article
System:
The UNT Digital Library
Systematic approaches to C-lignin engineering in Medicago truncatula
Article describes how C-lignin is a homopolymer of caffeyl alcohol present in the seed coats of a variety of plant species including vanilla orchid, various cacti, and the ornamental plant Cleome hassleriana. The authors used information from a transcriptomic analysis of developing C. hassleriana seed coats to suggest strategies for engineering C-lignin in a heterologous system, using hairy roots of the model legume Medicago truncatula.
Date:
June 12, 2023
Creator:
Ha, Chan Man; Escamilla-Treviño, Luis; Zhuo, Chunliu; Pu, Yunqiao; Bryant, Nathan; Ragauskas, Arthur J. (Arthur Jonas), 1957- et al.
Object Type:
Article
System:
The UNT Digital Library
Boosting Piezoelectricity by 3D Printing PVDF-MoS2 Composite as a Conformal and High-Sensitivity Piezoelectric Sensor
Article describes how additively manufactured flexible and high-performance piezoelectric devices are highly desirable for sensing and energy harvesting of 3D conformal structures. This study reports a significantly enhanced piezoelectricity in polyvinylidene fluoride (PVDF) achieved through the in situ dipole alignment of PVDF within PVDF-2D molybdenum disulfide composite by 3D printing.
Date:
June 21, 2023
Creator:
Islam, M.D, Nurul; Rupom, Rifat Hasan; Adhikari, Pashupati R.; Demchuk, Zoriana; Popov, Ivan; Sokolov, Alexei P. et al.
Object Type:
Article
System:
The UNT Digital Library