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Zhi Liang, Ivan Zhirnov, Fan Zhang, Kevontrez K. Jones, David C. Deisenroth, Maureen E. Williams, Ursula R. Kattner, Kil-Won Moon, Wing-Kam Liu, Brandon M. Lane, Carelyn E. Campbell
In conjunction with bare metal single laser track validation experiments, a computational framework is proposed to accelerate the design and development of new
This work briefly reviews the classification of the different types of steels, the most common AM processes used for steel and the available powder feedstock
Qingbo Jia, Fan Zhang, Paul Rometsch, Jitendra Mata, Jingwei Li, Matthew Weyland, Laure Bourgeois, Manling Sui, Xinhua Wu
The dynamic metallurgical characteristics of the selective laser melting (SLM) process offer fabricated materials with non-equilibrium microstructures compared
The microstructures or additively manufactured (AM) precipitation-hardenable stainless steels 17-4 and 15-5 were investigated and compared to conventionally
Lyle E. Levine, Brandon M. Lane, Jarred C. Heigel, Kalman D. Migler, Mark R. Stoudt, Thien Q. Phan, Richard E. Ricker, Maria Strantza, Michael R. Hill, Fan Zhang, Jonathan E. Seppala, Edward J. Garboczi, Erich D. Bain, Daniel Cole, Andrew J. Allen, Jason C. Fox, Carelyn E. Campbell
The Additive Manufacturing Benchmark Test Series (AM-Bench) was established to provide rigorous measurement test data for validating additive manufacturing (AM)
Leora E. Dresselhaus-Cooper, Dmitro Martynowych, Fan Zhang, Charlene Tsay, Jan Ilavsky, SuYin Wang, Yu-Sheng Chen, Lara Leininger, Keith A. Nelson
We demonstrate a strongly thresholded response in cyclotrimethylene trinitramine (RDX) that is cylindrically shocked using a novel waveguide geometry. Using
Fan Zhang, Lyle E. Levine, Andrew J. Allen, Sandra A. Young, Maureen E. Williams, Mark R. Stoudt, Kil-Won Moon, Jarred C. Heigel, Jan Ilavsky
A proper understanding of the structure and microstructure of additive manufactured (AM) alloys is essential not only to the prediction and assessment of their
Carelyn E. Campbell, Greta Lindwall, Eric Lass, Fan Zhang, Mark R. Stoudt, Andrew J. Allen, Lyle E. Levine
The ability to use common computational thermodynamic and kinetic tools to study the microstructure evolution in Inconel 625 (IN625) manufactured using the
Fan Zhang, Andrew J. Allen, Aaron C. Johnston-Peck, Jingyu Liu, John M. Pettibone
Structure transformation of engineered nanomaterials (ENMs) often dictates their efficacy, safety, and environmental impact. To address the existing significant
Jingyu Liu, Fan Zhang, Andrew J. Allen, Aaron C. Johnston-Peck, John M. Pettibone
The processing of nanomaterials in natural and engineered systems, which controls their fate and performance, is determined by the relative rates of the
Fan Zhang, Andrew J. Allen, Lyle E. Levine, Gabrielle G. Long, Ivan Kuzmenko, Jan Ilavsky
We report a harmonic rejection scheme based on the combination of Si (111) monochromator and Si (220) harmonic-rejection crystal optics. This approach is of
Fan Zhang, Lyle E. Levine, Andrew J. Allen, Mark R. Stoudt, Greta Lindwall, Eric Lass, Maureen E. Williams, Yaakov S. Idell, Carelyn E. Campbell
Elemental segregation is a ubiquitous phenomenon in additive-manufactured (AM) parts due to solute rejection and redistribution during the rapid solidification
Many applications of deep eutectic solvents (DES) rely on exploitation of their unique yet complex liquid structures at the mesoscopic level. Due to the ionic
Jan Ilavsky, Fan Zhang, Ross N. Andrews, Ivan Kuzmenko, Pete R. Jemian, Lyle E. Levine, Andrew J. Allen
Following many years of evolutionary development, first at the National Synchrotron Light Source, Brookhaven National Laboratory, and then at the Advanced
Mark R. Stoudt, Eric Lass, Daniel S. Ng, Maureen E. Williams, Fan Zhang, Carelyn E. Campbell, Greta Lindwall, Lyle E. Levine
This research evaluated the kinetics of delta-phase growth in laser powder bed additively- manufactured (AM) Inconel 625 during post-build stress-relief heat
Ross N. Andrews, Suresh Narayanan, Fan Zhang, Ivan Kuzmenko, Jan Ilavsky
X-ray photon correlation spectroscopy (XPCS) and dynamic light scattering (DLS) reveal dynamics by interference of coherent scattering, but X-rays permit
Ross N. Andrews, Suresh Narayanan, Fan Zhang, Ivan Kuzmenko, Jan Ilavsky
X-ray photon correlation spectroscopy (XPCS), as an extension of dynamic light scattering (DLS) in the X-ray regime, detects temporal intensity fluctuations of
In this study, synchrotron-based in-operando multi-scale X-ray scattering analyses are used to connect the microstructural changes to the phase changes in
Trevor Keller, Greta Lindwall, Supriyo Ghosh, Li Ma, Brandon M. Lane, Fan Zhang, Ursula R. Kattner, Eric Lass, Yaakov S. Idell, Maureen E. Williams, Andrew J. Allen, Jonathan E. Guyer, Lyle E. Levine
Numerical simulations are used in this work to investigate aspects of microstructure and microsegregation during rapid solidification of a Ni-based superalloy
Zoran S. Petrovic, Jelena Milic, Fan Zhang, Jan Ilavsky
Fast response shape-memory polyurethanes were prepared from bio-based polyols, diphenyl methane diisocyanate and butane diol. The bio-based polyester polyols
Understanding the changes in the microstructures and structures of clays with varying intercalated metal ions at elevated temperatures is of importance for many
Andrew J. Allen, Fan Zhang, Regis J. Kline, William F. Guthrie, Jan Ilavsky
The certification of a new standard reference material for small-angle scattering: NIST Standard Reference Material (SRM) 3600: Absolute Intensity Calibration
Andrei Jitianu, Sylvian Cadars, Fan Zhang, Gabriela Rodriguez, Quentin Picard, Mario Aparicio, Jadra Mosa, Lisa C. Klein
This study is focused on structural characterization of hybrid glasses obtained by consolidation of melting gels. The melting gels were prepared in molar ratios
Fan Zhang, Andrew J. Allen, Lyle E. Levine, De-Hao Tsai, Jan Ilavsky
We present an experimental study of the structural and dynamical properties of bimodal, micrometer-sized colloidal dispersions (size ratio ≈ 2) in an aqueous