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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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Niaz Hamaghareeb Hamasaeed, Intesar Saadallah Toma, Adil Othman Abdullah and Shakhawan Kadir Kadir
(1) Background: The objective of the current investigation was to determine how different dark chocolate concentrations impacted the enamel and dentine microhardness. (2) Methods: Twenty noncarious premolar teeth extracted for orthodontic reasons were us...
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Haipeng Lin, Xuefeng Song, Fei Dai, Fengwei Zhang, Qiang Xie and Huhu Chen
Hardness is a critical mechanical property of grains. Accurate predictions of grain hardness play a crucial role in improving grain milling efficiency, reducing grain breakage during transportation, and selecting high-quality crops. In this study, we dev...
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Chavarat Jarungvittayakon, Anak Khantachawana and Paphon Sa-ngasoongsong
Cobalt?chromium (CoCr) alloy is widely used for medical implants such as for dental or joint replacements because of its strength and high corrosion resistance. By throwing a spherical media against a material surface, fine-particle shot peening can modi...
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Zhiyi Leng, Shengfang Zhang, Wenzhe Wang, Hongtao Gu, Jian Yin, Ziguang Wang and Yu Liu
Hydrogen permeation reduces a material?s properties and increases the risk of brittle fracture, which causes a potential safety hazard. A workpiece?s hydrogen permeation resistance could be improved by improving its surface integrity through surface proc...
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Sabina Cherneva, Vladimir Petrunov, Vladimir Petkov, Vladimir Bogdanov and Silviya Simeonova
The mechanical properties, structure, and morphology of milled and 3D-printed Ti-6Al-4V alloys produced by selective laser melting were investigated in this study. The mechanical properties were investigated by means of nanoindentation, a tensile test, a...
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Ezazul Haque Sabuz, Mohammed Noor-A-Alam, Waseem Haider and Ishraq Shabib
In this study, mechanical and electrochemical performance of borided additively manufactured (AM) and wrought 8620 low alloy steel were investigated and compared to their bare counterparts. The microstructure of borided 8620 exhibited the presence of FeB...
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Junbo Liu, Xiaozhen Zhang, Zhixi Mai, Yongqing Wang, Shaohua Wang, Yebing Cai and Junli Feng
The rapid development of the traditional ceramic industry contributes considerably to economic advancements; however, the ecological hazards caused by the large amount of sintered ceramic wastes generated during ceramic production and discarded at landfi...
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Soyoung Kim, Jung-Hwan In, Seon Hoon Kim, Karam Han, Dongkook Lim, Yun Sik Hwang, Kyung Min Lee and Ju Hyeon Choi
SiO2/Nb2O5 multilayer thin films were designed for the special application of an aviation lighting system emitting green light. For optical components in this system to meet requirements such as a high transmittance and durability, SiO2/Nb2O5 multilayer ...
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Maxim Sergeevich Vorobyov, Elizaveta Alekseevna Petrikova, Vladislav Igorevich Shin, Pavel Vladimirovich Moskvin, Yurii Fedorovich Ivanov, Nikolay Nikolaevich Koval, Tamara Vasil`evna Koval, Nikita Andreevich Prokopenko, Ruslan Aleksandrovich Kartavtsov and Dmitry Alekseevich Shpanov
A niobium film on an AISI 5135 steel substrate was exposed to submillisecond pulsed electron-beam irradiation with controlled energy modulation within a pulse to increase the film?substrate adhesion. This modulated irradiation made it possible to dope th...
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