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L. P. Cahalan, M. B. Williams, L. N. Brewer, M. M. McDonnell, M. R. Kelly, A. D. Lalonde, P. G. Allison and J. B. Jordon
Large-scale metal additive manufacturing (AM) provides a unique solution to rapidly develop prototype components with net-shape or near-net shape geometries. Specifically, additive friction stir deposition (AFSD) is a solid-state method for large-scale m...
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Sergio Leyva, Noelia Cruz-Pérez, Jesica Rodríguez-Martín and Juan C. Santamarta
Due to their genesis, volcanic rocks present some singularities that make their geotechnical characteristics significantly different from other more common types of massifs, such as sedimentary and metamorphic rocks. The formation mechanisms of volcanic ...
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Chong You Beh, Ee Meng Cheng, Nashrul Fazli Mohd Nasir, Mohd Shukry Abdul Majid, Shing Fhan Khor, Mohd Ridzuan Mohd Jamir, Emma Ziezie Mohd Tarmizi and Kim Yee Lee
The effect of starch granule sizes, shapes, composition, and frequency on the dielectric properties (dielectric constant, loss factor, and conductivity) of native and hydrothermally modified starches (potato, corn, and rice starch) are investigated in th...
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Hongrui Dong, Xiaoqiang Li, Ke Xu, Zhenyu Zang, Xin Liu, Zongjiang Zhang, Wenlong Xiao and Yong Li
Additive manufacturing (AM) is an important technology in Industry 4.0. In recent years, solid-state-based additive friction stir deposition (AFSD) has attracted much attention, as it can avoid the inherent defect of melting and rapid solidification in e...
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Bo Li, Kaisheng Ming, Lichen Bai, Jing Wang and Shijian Zheng
A strategy to improve the mechanical and electrochemical properties of Cr15Fe20Co35Ni20Mo10 (Mo10) high-entropy alloys (HEA) by regulating the thermal-mechanical process was investigated. Due to the mutual competition between recrystallization and µ-phas...
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Guang Liang, Chaoji Zhou and Yuxiang Liu
This study established finite-element models via LS-DYNA software to predict the critical velocity of Ti spray particles under different collision velocities and preheating temperatures. Particle deformation, collision temperature, and bonding types of t...
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Vladimir Kotlyar, Victoria Pishchulina, Alexey N. Beskopylny, Besarion Meskhi, Yury Popov and Innessa Efremenko
Determining the age of ancient architectural and cultural monuments is a significant scientific problem. An approach based on the transformation of portlandite into calcite and subsequent recrystallization of calcite is considered, which allows for estim...
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Mohammad Salim Kaiser
Pág. 37 - 46
This manuscript reports the effects of trace impurities on the fractional recrystallization behavior of commercially pure aluminum. To allow the recrystallization cold rolled by 75% alloy samples are annealed isothermally at 700ºK for different time up t...
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Junjie Tang, Li Feng, Chunwei Zhang, Yuan Sun, Long Wang, Yizhou Zhou, Dawei Fang and Yan Liu
This study provides a theoretical basis and practical experience for optimizing the recrystallization process of ammonium perrhenate and the design of a recrystallization reactor.
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Sayed Amer, Olga Yakovtseva, Irina Loginova, Svetlana Medvedeva, Alexey Prosviryakov, Andrey Bazlov, Ruslan Barkov and Andrey Pozdniakov
The microstructure, phase composition, and mechanical properties during heat treatment and rolling of the novel Al-5.0Cu-3.2Er-0.9Mn-0.3Zr alloy were evaluated. A new quaternary (Al,Cu,Mn,Er) phase with possible composition Al25Cu4Mn2Er was found in the ...
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