Search Results - "Ott, Ryan T."

Fatigue-resistant high-performance elastocaloric materials made by additive manufacturing by Hou, Huilong, Simsek, Emrah, Ma, Tao, Johnson, Nathan S, Qian, Suxin, Cissé, Cheikh, Stasak, Drew, Al Hasan, Naila, Zhou, Lin, Hwang, Yunho, Radermacher, Reinhard, Levitas, Valery I, Kramer, Matthew J, Zaeem, Mohsen Asle, Stebner, Aaron P, Ott, Ryan T, Cui, Jun, Takeuchi, Ichiro

“…Elastocaloric cooling, a solid-state cooling technology, exploits the latent heat released and absorbed by stress-induced phase transformations. Hysteresis…”
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‘Crystal Genes’ in Metallic Liquids and Glasses by Sun, Yang, Zhang, Feng, Ye, Zhuo, Zhang, Yue, Fang, Xiaowei, Ding, Zejun, Wang, Cai-Zhuang, Mendelev, Mikhail I., Ott, Ryan T., Kramer, Matthew J., Ho, Kai-Ming

“…We analyze the underlying structural order that transcends liquid, glass and crystalline states in metallic systems. A genetic algorithm is applied to search…”
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Laser‐Induced Keyhole Defect Dynamics during Metal Additive Manufacturing by Kiss, Andrew M., Fong, Anthony Y., Calta, Nicholas P., Thampy, Vivek, Martin, Aiden A., Depond, Philip J., Wang, Jenny, Matthews, Manyalibo J., Ott, Ryan T., Tassone, Christopher J., Stone, Kevin H., Kramer, Matthew J., van Buuren, Anthony, Toney, Michael F., Nelson Weker, Johanna

“…Laser powder bed fusion (LPBF) metal additive manufacturing provides distinct advantages for aerospace and biomedical applications. However, widespread…”
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Effect of reinforcement phase on the mechanical property of tungsten nanocomposite synthesized by spark plasma sintering by Lee, Jin-Kyu, Kim, Song-Yi, Ott, Ryan T., Kim, Jin-Young, Eckert, Jürgen, Lee, Min-Ha

“…Nanostructured tungsten composites were fabricated by spark plasma sintering of nanostructured composite powders. The composite powders, which were synthesized…”
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Additively manufactured hierarchical stainless steels with high strength and ductility by Wang, Y. Morris, Voisin, Thomas, McKeown, Joseph T., Ye, Jianchao, Calta, Nicholas P., Li, Zan, Zeng, Zhi, Zhang, Yin, Chen, Wen, Roehling, Tien Tran, Ott, Ryan T., Santala, Melissa K., Depond, Philip J., Matthews, Manyalibo J., Hamza, Alex V., Zhu, Ting

“…Many traditional approaches for strengthening steels typically come at the expense of useful ductility, a dilemma known as strength–ductility trade-off. New…”
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Ideal maximum strengths and defect-induced softening in nanocrystalline-nanotwinned metals by Ke, Xing, Ye, Jianchao, Pan, Zhiliang, Geng, Jie, Besser, Matt F., Qu, Dongxia, Caro, Alfredo, Marian, Jaime, Ott, Ryan T., Wang, Y. Morris, Sansoz, Frederic

“…Strengthening of metals through nanoscale grain boundaries and coherent twin boundaries is manifested by a maximum strength—a phenomenon known as Hall–Petch…”
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Magnetostrictive performance of additively manufactured CoFe rods using the LENSTM system by Jones, Nicholas J., Yoo, Jin-Hyeong, Ott, Ryan T., Lambert, Paul K., Petculescu, Gabriela, Simsek, Emrah, Schlagel, Deborah, Lograsso, Thomas A.

“…Magnetostrictive materials exhibit a strain in the presence of a variable magnetic field. While they normally require large, highly oriented crystallographic…”
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Defective twin boundaries in nanotwinned metals by Wang, Y. Morris, Sansoz, Frederic, LaGrange, Thomas, Ott, Ryan T., Marian, Jaime, Barbee, Troy W., Hamza, Alex V.

“…Coherent twin boundaries, which usually form during the growth, deformation or annealing of crystalline solids, are widely described as perfect interfaces…”
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Atomic cooperation in enhancing magnetism: (Fe, Cu)-doped CeCo5 by Choudhary, Renu, Palasyuk, Andriy, Nlebedim, Ikenna C., Ott, Ryan T., Paudyal, Durga

“…Developing permanent magnet alloys with decreased critical elements (e.g., Nd, Dy, and Co) requires identifying compositions and structures with uniaxial…”
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Enhanced thermal coarsening resistance in a nanostructured aluminum-cerium alloy produced by additive manufacturing by Henderson, Hunter B., Hammons, Joshua A., Baker, Alexander A., McCall, Scott K., Li, Tian T., Perron, Aurélien, Sims, Zachary C., Ott, Ryan T., Meng, Fanqiang, Thompson, Michael J., Weiss, David, Rios, Orlando

“…[Display omitted] •Rapid solidification inherent to selective laser melting additive manufacturing induces a nanoscale dispersion of insoluble intermetallic…”
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Subsurface Cooling Rates and Microstructural Response during Laser Based Metal Additive Manufacturing by Thampy, Vivek, Fong, Anthony Y., Calta, Nicholas P., Wang, Jenny, Martin, Aiden A., Depond, Philip J., Kiss, Andrew M., Guss, Gabe, Xing, Qingfeng, Ott, Ryan T., van Buuren, Anthony, Toney, Michael F., Weker, Johanna Nelson, Kramer, Matthew J., Matthews, Manyalibo J., Tassone, Christopher J., Stone, Kevin H.

“…Laser powder bed fusion (LPBF) is a method of additive manufacturing characterized by the rapid scanning of a high powered laser over a thin bed of metallic…”
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Microstructural evolutions, phase transformations and hard magnetic properties in polycrystalline Ce–Co–Fe–Cu alloys by Gandha, Kinjal, Chaudhary, Rakesh P., Kramer, Matthew J., Ott, Ryan T., Paudyal, Durga, Nlebedim, I.C.

“…This work focuses on systematic studies of Ce–Co based 1:5 permanent magnet alloys of CeCo4.4-xFexCu0.6 and CeCo3.9-xFexCu1.2 (x = 0, 0.3, 0.6, 0.9, 1.2, 1.8)…”
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Development of Mischmetal–Fe–Co–B Permanent Magnet Alloys via High-Throughput Methods by Chaudhary, Rakesh P, Gandha, Kinjal H, Meng, Fanqiang, Simsek, Emrah, Nlebedim, Ikenna C, Rios, Orlando, Kramer, Matthew J, Ott, Ryan T

“…Additive manufacturing synthesis using laser engineered net shaping (LENS) is utilized to rapidly print libraries of mischmetal (MM = La, Ce, Nd, and Pr)…”
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Effect of Temperature on the Nano/Microstructure and Mechanical Behavior of Nanotwinned Ag Films by Zhang, Huan, Geng, Jie, Ott, Ryan T., Besser, Matthew F., Kramer, Matthew J.

“…In situ and ex situ annealed nanotwinned (NT) Ag thin films have been investigated by TEM and tensile testing to reveal the thermal stability of the twin…”
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Imprinting bulk amorphous alloy at room temperature by Kim, Song-Yi, Park, Eun-Soo, Ott, Ryan T., Lograsso, Thomas A., Huh, Moo-Young, Kim, Do-Hyang, Eckert, Jürgen, Lee, Min-Ha

“…We present investigations on the plastic deformation behavior of a brittle bulk amorphous alloy by simple uniaxial compressive loading at room temperature. A…”
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Ageless Aluminum-Cerium-Based Alloys in High-Volume Die Casting for Improved Energy Efficiency by Stromme, Eric T., Henderson, Hunter B., Sims, Zachary C., Kesler, Michael S., Weiss, David, Ott, Ryan T., Meng, Fanqiang, Kassoumeh, Sam, Evangelista, James, Begley, Gerald, Rios, Orlando

“…Strong chemical reactions between Al and Ce lead to the formation of intermetallics with exceptional thermal stability. The rapid formation of intermetallics…”
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First-principles study of interfaces in Al/SiC metal-matrix composite system by Zhang, Feng, Li, Qiang, Glazoff, Michael V., Ott, Ryan T.

“…[Display omitted] First-principles calculations were performed on the interfaces between Al and SiC, which is a widely used strengthening agent in aluminum…”
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Cerium-Based, Intermetallic-Strengthened Aluminum Casting Alloy: High-Volume Co-product Development by Sims, Zachary C., Weiss, D., McCall, S. K., McGuire, M. A., Ott, R. T., Geer, Tom, Rios, Orlando, Turchi, P. A. E.

“…Several rare earth elements are considered by-products to rare earth mining efforts. By using one of these by-product elements in a high-volume application…”
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Atomic cooperation in enhancing magnetism: (Fe, Cu)-doped CeCo5 by Choudhary, Renu, Palasyuk, Andriy, Nlebedim, Ikenna C., Ott, Ryan T., Paudyal, Durga

“…Developing permanent magnet alloys with decreased critical elements (e.g., Nd, Dy, and Co) requires identifying compositions and structures with uniaxial…”
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Atomic cooperation in enhancing magnetism: (Fe, Cu)-doped CeCo5 by Choudhary, Renu, Palasyuk, Andriy, Nlebedim, Ikenna C., Ott, Ryan T., Paudyal, Durga

“…Developing permanent magnet alloys with decreased critical elements (e.g., Nd, Dy, and Co) requires identifying compositions and structures with uniaxial…”
Get full text