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Melinda Szalóki, Zsófia Szabó, Renáta Martos, Attila Csík, Gergo József Szollosi and Csaba Hegedus
The surface roughness, surface free energy (SFE) of composites, and composite wettability by dental adhesives are determining factors in achieving a strong and durable adhesion (e.g., composite repair, luting adhesively bonded indirect restorations). In ...
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Andrian Batugin, Alexander Kobylkin, Konstantin Kolikov, Alexander Ivannikov, Valeria Musina, Evgeny Khotchenkov, Byambasuren Zunduijamts, Elmira Ertuganova and Daniil Krasnoshtanov
The hypothesis of the piston effect during mine gas migration caused by fault reactivation was studied, with the use of computer modeling, to explain cases of a sudden appearance of mine gases on the earth surface in coal mining areas. The study is based...
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Guangbin Yu, Hancheng Mao, Lidong Jiang, Wei Liu and Tupolev Valerii
Understanding the contact mechanics of rough tooth surfaces is critical in order to understand phenomena such as tooth surface flash temperature, tooth surface wear, and gear vibration. In this paper, the contact behavior between the meshing tooth surfac...
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Jinzhao Ren and Huiqun Yuan
Engineering surfaces exhibit asymmetrical height distributions due to certain types of surface finishing and running-in process. This non-Gaussian surface reflects different contact performances and tribological properties. In this paper, the influence o...
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Yunji Kim, Junho Suh, Bora Lee, Yondo Chun, Keejun Park and Yonghun Yu
This study analyzed adhesive wear in periodic sliding motion using a quasi-static deterministic wear model that considered changes in the point of contact of asperities as well as changes in the surface and statistical parameters. The contact pressure wa...
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Mohammad Sadeghi, Amir Zelati, Sahar Rezaee, Carlos Luna, Robert Saraiva Matos, Marcelo Amanajás Pires, Nilson S. Ferreira, Henrique Duarte da Fonseca Filho, Azin Ahmadpourian and Stefan Talu
In the present work, Cu/Cr thin films were deposited on substrates of a different nature (Si, Glass, Bk7, and ITO) through a thermal evaporation deposition method. Non-contact atomic force microscopy (AFM) was used to obtain 3D AFM topographical maps of ...
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Chunyan Bao, Meng Zhou and Yuexiang Cai
Shale gas is a promising new energy source stored in shale. This research aims to study the laws of rock crack initiation and propagation under the low-temperature fracturing of liquid nitrogen, explore the influencing factors of the shale reservoir frac...
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Yan Chen, Liyuan Chen and Wuli Chu
According to the discontinuous structural characteristics of a gas turbine, by considering the contact thermal resistance of the rough surface, a contact thermal resistance measurement experiment was conducted in this study. The main objectives of this w...
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Saeid Taghizadeh and Robert Sean Dwyer-Joyce
When two rough surfaces are loaded together contact occurs at asperity peaks. An interface of solid contact regions and air gaps is formed that is less stiff than the bulk material. The stiffness of a structure thus depends on the interface conditions; t...
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Feng Hu, Zhiqing Li, Yifan Tian and Ruilin Hu
Construction operations in cold regions may encounter frozen geomaterials. In construction, it is important to understand the processes by which geomaterials fail under common loading conditions to avoid accidents and work efficiently. In this work, an a...
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