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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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Canan Akay, Gülce Çakmak, Mustafa Borga Donmez, Samir Abou-Ayash, Emre Mumcu, Suat Pat and Burak Yilmaz
Removable dental prostheses are commonly fabricated using polymethylmethacrylate, a material that does not have favorable mechanical properties and needs reinforcement with particles such as graphene. The aim of this study was to evaluate the flexural st...
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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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Jan Duplak, Darina Duplakova and Jozef Zajac
From the point of view of production, it is of fundamental importance to know the cutting parameters at which the new surface of the component was created because only in this way is it possible to understand the nature and properties of the created surf...
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Feng Li, Shisong Zheng and Fang Zhou
In this study, AlFeCrMoNi1.8Nb1.5 (at.%) eutectic high-entropy alloy (EHEA) coating was successfully prepared on the surface of M2 high-speed steel (HSS) by wide-laser cladding. The effects of laser defocusing amount, laser power, scanning speed, and pre...
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Kateryna Kostyk, Ivan Kuric, Milan Saga, Viktoriia Kostyk, Vitalii Ivanov, Viktor Kovalov and Ivan Pavlenko
The relevant problem is searching for up-to-date methods to improve tools and machine parts? performance due to the hardening of surface layers. This article shows that, after the magnetic-pulse treatment of bearing steel Cr15, its surface microhardness ...
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Lingyao Meng, Jian Shang, Mengjiu Zhang, Aijun Xie and Yue Zhang
In this paper, rare-earth vanadiumizing layers were prepared on the surface of GCr15 steel by powder pack cementation. The tissue thicknesses of the vanadiumizing layers were characterized by metallographic microscopy, scanning electron microscopy, X-ray...
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Baiyang Chen, Peihu Gao, Bo Zhang, Daming Zhao, Wei Wang, Can Jin, Zhong Yang, Yongchun Guo, Minxian Liang, Jianping Li, Yongqing Lu, Lu Jia and Dan Zhao
Plasma transfer arc cladding technology has been widely utilized in surface engineering, repairing and remanufacturing. In the present work, multiple cladded thick claddings were prepared on compacted graphite cast iron (CGI) substrates with iron-based p...
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Jinquan Sun, Dongrui Wang, Jie Yang, Fujie Li, Lingli Zuo, Feng Ge and Yunbo Chen
In order to solve the failure problem between the crankshaft and the connecting rod friction pair, nano-Cu/microalloyed gradient coating was prepared on the surface of the crankshaft by in situ gaseous nitriding process. Electron probe analysis confirmed...
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Zhenyu Wang, Hongyu Li and Tianbiao Yu
Due to its excellent strength, plasticity, and fracture toughness, titanium alloy has been widely used in the aerospace field. The specificity of its application environment places high demands on the surface quality of titanium alloy. In this paper, we ...
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